Tag Archives: bar screw

China factory China Manufacture Diesel Engine Screw Air Compressor 12m3/Min 10 Bar for Mining air compressor parts

Product Description

Product description:

 

Specification:

Certifications:


 

Company Information:

HangZhou CHINAMFG Air Compressor Manufacturing Co., Ltd. is located in the logistics capital of China, 1 of the important birthplaces of Chinese civilization-HangZhou, ZheJiang Province. With professinal manufacturing experience and first -class comprehensive scientific and technological strength of the talent team, as the energy-saving compressor system leader and renowed in the industry.
 
We specializes in R & D and sales of power frequency ,permanent magnet frequency conversion ,two -stage compressor permanent magnet frequency conversion ,low -voltage and mobile screw air compressor . With a deep industry background , 1 step ahead ambition . With the professional enthusiasm for screw air compressor , team innovation , to meat the challenges of enterprise’s own determination and the rigorous attitude of excellence,products are strictly in accordance with IOS 9001 international quality procedures,to provide customers with energy -saving and reliable products .
 
We warmly welcomes people from all around the world to visit the company to guide the establishment of a wide range of business contacts and cooperation . Choosing HangZhou Atlas Air compressor Manufacturing Co.,Led.is to choose quality and service ,choose culture and taste ,choose a permanent and trustworthy partner !

FAQ:

Q1: Are you factory or trade company? 
A1: We are factory. Please check Our Company Profile.
Q2: What the exactly address of your factory? 
A2: Xihu (West Lake) Dis. Innovation Park, Zaoyuan Town, HangZhou, ZheJiang , China
Q3: Warranty terms of your machine? 
A3: 18 months warranty for the machine,technical support according to your needs.
Q4: Will you provide some spare parts of the machines? 
A4: Yes.
Q5: How long will you take to arrange production? 
A5: Deliver standard goods within 30days, Other customized goods is TBD.
Q6: Can you accept OEM orders? 
A6: Yes, with professional design team, OEM orders are highly welcome.
  /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Lubrication Style: Lubricated
Cooling System: Air Cooling
Power Source: Diesel Engine
Cylinder Position: Horizontal
Structure Type: Closed Type
Installation Type: Movable Type
Samples:
US$ 4300/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

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air compressor

What Safety Precautions Should Be Taken When Operating Screw Compressors?

When operating screw compressors, it is important to follow specific safety precautions to ensure the well-being of personnel and prevent potential accidents. Here’s a detailed explanation:

1. Familiarize Yourself with the Equipment:

  • Before operating a screw compressor, thoroughly read and understand the manufacturer’s instructions, safety guidelines, and operating procedures. Familiarize yourself with the specific features, controls, and safety devices of the compressor.

2. Wear Appropriate Personal Protective Equipment (PPE):

  • Wear the necessary PPE, such as safety glasses, hearing protection, gloves, and appropriate clothing, when operating the compressor. PPE helps protect against potential hazards, including flying debris, noise, and contact with hot or moving parts.

3. Ensure Proper Ventilation:

  • Operate the screw compressor in a well-ventilated area to prevent the buildup of potentially harmful gases or fumes. Ensure that the compressor’s intake and exhaust vents are not obstructed, allowing for adequate airflow.

4. Compressor Location:

  • Position the compressor on a stable and level surface to prevent tipping or instability during operation. Ensure that the compressor is located away from flammable materials, heat sources, or sources of ignition.

5. Electrical Safety:

  • Follow electrical safety guidelines and ensure that the compressor is properly grounded. Avoid using damaged or frayed electrical cords and ensure that the electrical connections are secure.

6. Lockout/Tagout Procedures:

  • Before performing any maintenance or repair tasks on the compressor, follow lockout/tagout procedures to isolate electrical power and prevent accidental startup. Lockout/tagout procedures help protect against unexpected energization of the compressor or its components.

7. Pressure Relief:

  • Before performing any maintenance tasks or opening the compressor, ensure that all pressure has been relieved from the system. Follow proper procedures for depressurizing the compressor and associated piping to avoid sudden releases of pressure.

8. Hot Surfaces:

  • Be cautious of hot surfaces, such as compressor casings, piping, or discharge components. Allow sufficient cooling time before touching or performing maintenance tasks on hot surfaces to avoid burns.

9. Maintenance and Inspection:

  • Adhere to the manufacturer’s recommended maintenance schedule and perform regular inspections of the compressor. Replace any worn or damaged components promptly to prevent potential hazards or malfunctions.

10. Emergency Procedures:

  • Be familiar with emergency procedures, including how to shut down the compressor in case of an emergency, how to respond to leaks or spills, and how to handle fire or electrical incidents. Have emergency contact information readily available.

11. Training and Qualified Personnel:

  • Ensure that operators and maintenance personnel are adequately trained in the safe operation and maintenance of screw compressors. Only allow qualified personnel to perform maintenance or repair tasks.

It is essential to consult the specific safety guidelines provided by the manufacturer of the screw compressor as they may include additional precautions or recommendations.

In summary, when operating screw compressors, it is important to familiarize yourself with the equipment, wear appropriate PPE, ensure proper ventilation, follow electrical safety measures, implement lockout/tagout procedures, be cautious of hot surfaces, perform regular maintenance and inspections, and be prepared with emergency procedures. By following these safety precautions, the risk of accidents or injuries can be minimized, ensuring a safe working environment when operating screw compressors.

air compressor

Can Screw Compressors Be Used for Refrigeration?

Yes, screw compressors can be used for refrigeration applications. Here’s a detailed explanation:

Screw compressors are versatile and widely used in various industrial applications, including refrigeration. They are known for their efficiency, reliability, and ability to handle high-capacity refrigeration systems. Screw compressors work by compressing refrigerant gas, increasing its pressure and temperature, and then transferring the heat to the surrounding environment.

Here are some key points regarding the use of screw compressors in refrigeration:

1. Industrial Refrigeration Systems:

Screw compressors are commonly employed in large-scale industrial refrigeration systems, such as those used in cold storage facilities, food processing plants, beverage production, and HVAC systems for commercial buildings. These systems require high cooling capacities and continuous operation, making screw compressors an ideal choice.

2. Positive Displacement Compressors:

Screw compressors belong to the category of positive displacement compressors. They use two interlocking helical rotors (screws) to trap and compress the refrigerant gas. This design ensures a continuous flow of refrigerant and allows for efficient compression over a wide range of operating conditions.

3. Oil-Injected and Oil-Free Types:

Screw compressors can be either oil-injected or oil-free. Oil-injected screw compressors use oil for lubrication and cooling, which helps reduce friction and extend the compressor’s lifespan. In contrast, oil-free screw compressors use specialized coatings and materials to eliminate the need for oil, making them suitable for applications where oil contamination is a concern, such as in the pharmaceutical or food industries.

4. Multi-Stage Compression:

In refrigeration applications, screw compressors are often used in multi-stage configurations to achieve higher pressure ratios and improve overall system efficiency. Multi-stage compression involves compressing the refrigerant gas in multiple stages, typically with intermediate cooling between each stage, to reduce the work required for compression and enhance system performance.

5. Variable Speed Control:

Screw compressors can be equipped with variable speed drives (VSD) that allow for precise control of the compressor’s rotational speed. VSD technology enables the compressor to adjust its capacity according to the refrigeration load, resulting in energy savings and improved system performance.

6. System Integration:

Screw compressors are often integrated into complex refrigeration systems, working in tandem with other components such as condensers, evaporators, expansion valves, and control systems. This integration ensures efficient heat transfer, proper refrigerant flow, and effective temperature control.

It’s important to note that the selection of a screw compressor for refrigeration applications should consider factors such as cooling capacity requirements, operating conditions, refrigerant type, system configuration, and specific industry regulations.

In summary, screw compressors are well-suited for refrigeration applications, especially in industrial settings. Their efficiency, reliability, and capacity make them a popular choice for large-scale refrigeration systems. Whether in cold storage facilities, food processing plants, or HVAC systems, screw compressors play a crucial role in maintaining optimal temperatures and preserving perishable goods.

air compressor

What Is the Efficiency of Screw Compressors?

The efficiency of screw compressors can vary depending on various factors, including the design, operating conditions, and maintenance. Here’s a detailed explanation of the efficiency of screw compressors:

1. Isothermal Efficiency:

Isothermal efficiency refers to the ideal efficiency of a compressor operating under isothermal conditions. In reality, screw compressors experience temperature rise during compression, and therefore, they do not achieve isothermal efficiency. The compression process in screw compressors is considered to be relatively close to isothermal compared to other compressor types, such as reciprocating compressors. This is due to the continuous and smooth flow of air or gas through the compression chamber, which helps in minimizing temperature differences.

2. Adiabatic Efficiency:

Adiabatic efficiency refers to the actual efficiency of a compressor, taking into account the heat generated during compression. Screw compressors typically have higher adiabatic efficiency compared to reciprocating compressors. The helical design of the rotors and the presence of intermeshing lobes allow for efficient compression with minimal energy loss. The adiabatic efficiency of a screw compressor can be influenced by factors such as the compression ratio, rotational speed, and discharge pressure.

3. Overall Efficiency:

The overall efficiency of a screw compressor takes into account various factors, including mechanical losses, power consumption, and auxiliary power requirements. Mechanical losses can occur due to friction between the rotors, bearings, and other moving parts. Well-maintained screw compressors with properly lubricated components and well-aligned rotors can minimize mechanical losses and improve overall efficiency. Power consumption is another factor affecting efficiency, and it can vary depending on the size, design, and operating conditions of the compressor.

4. Energy Efficiency:

Energy efficiency is an important aspect of screw compressors. It relates to the ability of the compressor to convert electrical energy into compressed air with minimal energy waste. Energy-efficient screw compressors are designed to optimize the compression process, reduce power consumption, and maximize output for a given input. Variable Speed Drive (VSD) screw compressors, for example, can adjust the rotational speed to match the compressed air demand, resulting in improved energy efficiency and significant energy savings.

It’s important to note that the efficiency of screw compressors can vary depending on the specific model, design features, and operating conditions. Regular maintenance, including proper lubrication, cleaning, and component inspection, is crucial for maintaining high efficiency levels. Additionally, selecting the right size and type of screw compressor for the intended application is essential to achieve optimal efficiency and performance.

In summary, screw compressors are known for their relatively high efficiency compared to other compressor types. While they may not achieve perfect isothermal efficiency, their adiabatic efficiency, overall efficiency, and energy efficiency make them suitable for a wide range of industrial applications.

China factory China Manufacture Diesel Engine Screw Air Compressor 12m3/Min 10 Bar for Mining   air compressor partsChina factory China Manufacture Diesel Engine Screw Air Compressor 12m3/Min 10 Bar for Mining   air compressor parts
editor by CX 2024-04-08

China factory Portable Diesel Gasoline Electric Driven Combined Rotary Screw Air Compressors for Mining HP 20 250 Cfm Kw 7/8/10/13 Bar Construction Equipment with CE and ISO manufacturer

Product Description

Screw type air compressor structure of a unique design, a compact, stylish appearance, high efficiency, small energy consumption, low noise characteristics and long life, is a smart environment-friendly products. Widely applied in metallurgy, machinery, chemicals, and mining, and electric power industries of the ideal gas source equipment.     
 
Advantage:

1.The third generation of advanced rotor and concise intake control system
2.Efficient centrifugal separator oil and gas, gas oil content is small,tube and core of long life . 
3. Efficient, low noise suction fan of the full use of export dynamic pressure 
    increased effect of heat transfer (air-cooled) 
4. Automatic water-cooling system for large air compressor to provide more 
   efficient 
5.Fault diagnosis system, the control panel is easy to operate 
6 Removable door, equipment maintenance, service convenient 
7.Micro-electronic processing so that temperature, pressure and other parameters are closely monitored .

PRODUCT HIGHLIGHTS
1.The brand power,reliable quality, stable performance.The harsh thermal equilibrium serviceability can guarantee that the machine work effectively under high temperature environment  (≤40ºC).

2.Unique patent design, light load startup system, the air control design is adapt to the  drilling work with high stability.

3.Efficient cooling system, divided into 3 parts: water- cooled ,mid- cold, oil cold, which ensure the reliable operation of diesel engine, and it’s suitable for high temperature working environment.

4.Independent research and development of the opposite door design, rational layout, which is easy to do regular maintenace ,with advantages of the fixed and portable compressor.

5.A single point lifting, forklift hole device, equipped with drag ring.It is suitable for repair car transport, easy to transfer and installation of the unit.

6.Waterproof and dustproof design, which is suitable for outdoor hard working environment.

7.According to customer requirements, the heating boiler and remote components is available for cold starting.
 

Model Pressure
(bar)
Displacement
(m³/min)
Diesel Engine
(kw)
Air End
Compression
Type Dimension
(mm)
Weight
(kg)
DPS-5/8 8 5 41 single stage 2 wheel 1660*1100*1600 700
DPS-6/8 8 6 41 single stage 2 wheel 2300*1460*1550 1000
DPS-7/8 8 7 78 single stage 2 wheel 2300*1500*1800 1350
DPS-9/8 8 9 78 single stage 2 wheel 2300*1500*1800 1450
DPS-13/8 8 13 110 single stage 4 wheel 2600*1486*2255 1800
DPS-12/10 10 12 110 single stage 4 wheel 3000*1776*2420 2500
DPS-10/14.5 14.5 10 110 two stage 4 wheel 3000*1776*2420 2500
DPS-12/15 15 12 110 two stage 4 wheel 3000*1776*2420 2700
DPS-10/18 18 10 140 two stage 4 wheel 3000*1776*2420 2700
DPS-15/15 15 15 132 single stage 4 wheel 3000*1776*2420 2500
DPS-15/13 13 15 132 single stage 4 wheel 3000*1776*2420 2500
DPS-16/16(17/13) 16/13 16/17 154 single stage 4 wheel 3000*1776*2420 2500
DPS-16/18 18 16 154 two stage 4 wheel 3000*1776*2420 2700
DPS-20/8 8 20 154 two stage 4 wheel 3000*1776*2420 2700
DPS-18/17 17 18 191 two stage 4 wheel 3200*2000*2600 3500
DPS-18/18(24/13) 18/13 18/24 191 two stage 4 wheel 3200*2000*2600 3700
DPS-20/20 20 20 191 two stage 4 wheel 3200*2000*2600 3700
DPS-22/20 20 22 228 two stage 4 wheel 3200*2000*2600 4000
DPS-31/25 25 31 295 two stage track 3200*1956*2600 4500

 ZheJiang CHINAMFG Gas Compressor Manufacturing Co.,Ltd. founded in 2005, is a leading high technology of machine and equipment manufacturer integrating the design, R&D, production, sales and service for air compressors & Mining Equipment. Adopting advanced technology, design concept and quality control, and we are able to provide customized products to meet customers’ OEM needs.
Our company has more than 520 employees, including 86 senior technicians and professional engineers. Our technical team provides our customers with professional air system solutions. With the total 15000 square meters of the facility, 4 modern advanced production lines are built up to ensure production capacity to meet customer requirements.
Our company has been awarded the honorary title of “ZheJiang high-tech enterprise” and our products enjoy high honors in the industry. Our company has the ISO9001 certification and was awarded the qualification certificate of equipment through military contracts in 2018.
We offer the following products and services:
1. Screw air compressor
    1.1 Oil-free screw air compressor
    1.2 Oil-injected air compressor
2. Reciprocating piston air compressor
    2.1 Piston air compressor
    2.2 Oil-free piston air compressor
    2.3 Piston medium & high-pressure air compressor
3.Portable air compressor & Mining Equipment
    3.1 Diesel or Electric portable screw air compressor
    3.2 Air Pick, Rock Drill, DTH Drilling Rig, Crawler Drilling Rig
4. Air compressor accessories
    4.1 CHINAMFG or Adsorption compressed air drier
    4.2 Compressed air filter or tank
4.3 Lubrication oil
We have a complete system of after-sales service and quality assurance. The company’s material purchase, inspection, manufacturing, installation, and testing are strictly in accordance with the ISO procedures. which will ensure each compressor has reliable quality and has a complete record to trace, if needed.

Q: Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery.

Q: How can we start order with your factory?
A: First, leave us an inquiry and advise which item you’re interested, and then we will contact you in 24 hours. You’re so kind if provide all detailed information, will better for us to know exactly what you need.

Q: What are your MOQ?
A: Different products have different MOQ, most is 1 set.

Q: What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery. We’ll show you the photos of the products and packages.

Q: How about your delivery time?
A: Generally, it will take 90 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.

Q: Do you a trade company or real factory?
A: We are 100% factory; we located in ZheJiang city, China.

/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

After-sales Service: Online Support
Warranty: 1 Years
Cooling System: Air Cooling
Power Source: Diesel Engine
Structure Type: Closed Type
Installation Type: Movable Type
Samples:
US$ 3000/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

air compressor

What Is the Lifespan of a Typical Screw Compressor?

The lifespan of a typical screw compressor can vary depending on several factors, including the quality of the equipment, maintenance practices, operating conditions, and usage patterns. Here’s a detailed explanation:

The lifespan of a screw compressor is typically measured in operating hours, which refers to the cumulative hours the compressor has been in operation. While it’s challenging to provide an exact lifespan, as it can vary significantly, screw compressors are generally designed to have a long service life, often ranging from 20,000 to 100,000 operating hours.

Several factors can influence the lifespan of a screw compressor:

  • 1. Quality of Construction: The quality of construction and materials used in the compressor’s manufacturing plays a crucial role in its lifespan. Compressors built with high-quality components and robust construction tend to have a longer service life compared to those with lower-quality materials.
  • 2. Maintenance Practices: Regular and proper maintenance is essential to extend the lifespan of a screw compressor. Following the manufacturer’s recommended maintenance schedule, including tasks such as oil changes, filter replacements, and inspection of critical components, helps ensure optimal performance and reliability. Neglecting maintenance can lead to premature wear and potential breakdowns.
  • 3. Operating Conditions: The operating conditions in which the compressor operates can impact its lifespan. Factors such as temperature, humidity, and the presence of contaminants in the ambient air can affect the compressor’s performance and longevity. Compressors operated in clean, well-ventilated environments with controlled temperature and humidity conditions tend to have longer lifespans.
  • 4. Load and Usage Patterns: The load and usage patterns of the compressor also influence its lifespan. Compressors operated at or near their maximum capacity for prolonged periods may experience higher wear and tear compared to those operated within their recommended operating range. Compressors subjected to frequent start-stop cycles or continuous operation may have different lifespans based on the stress placed on their components.
  • 5. Maintenance and Repairs: The response to maintenance and repair needs can impact the compressor’s lifespan. Timely addressing of maintenance issues and prompt repairs when faults or malfunctions occur can prevent further damage and help prolong the compressor’s lifespan.
  • 6. Manufacturer and Design: The reputation and expertise of the manufacturer play a role in determining the compressor’s lifespan. Established manufacturers with a track record of producing reliable and durable equipment often design their compressors to have longer lifespans. It’s advisable to choose compressors from reputable manufacturers known for their quality and reliability.

It’s important to note that while a screw compressor may have a designed lifespan, it doesn’t necessarily mean it will fail immediately after reaching that threshold. With proper maintenance and care, compressors can often exceed their expected lifespan. On the other hand, neglecting maintenance or subjecting the compressor to harsh operating conditions can shorten its lifespan.

Regular monitoring of the compressor’s performance, including parameters such as discharge temperature, vibration levels, and energy consumption, can help identify any potential issues and take corrective actions to maintain the compressor’s reliability and extend its lifespan.

In summary, the lifespan of a typical screw compressor can range from 20,000 to 100,000 operating hours, depending on factors such as the quality of construction, maintenance practices, operating conditions, usage patterns, and manufacturer reputation. Adhering to proper maintenance practices, operating the compressor within its recommended parameters, and choosing a reputable manufacturer can help ensure a longer lifespan for the screw compressor.

air compressor

Can Screw Compressors Be Used for Refrigeration?

Yes, screw compressors can be used for refrigeration applications. Here’s a detailed explanation:

Screw compressors are versatile and widely used in various industrial applications, including refrigeration. They are known for their efficiency, reliability, and ability to handle high-capacity refrigeration systems. Screw compressors work by compressing refrigerant gas, increasing its pressure and temperature, and then transferring the heat to the surrounding environment.

Here are some key points regarding the use of screw compressors in refrigeration:

1. Industrial Refrigeration Systems:

Screw compressors are commonly employed in large-scale industrial refrigeration systems, such as those used in cold storage facilities, food processing plants, beverage production, and HVAC systems for commercial buildings. These systems require high cooling capacities and continuous operation, making screw compressors an ideal choice.

2. Positive Displacement Compressors:

Screw compressors belong to the category of positive displacement compressors. They use two interlocking helical rotors (screws) to trap and compress the refrigerant gas. This design ensures a continuous flow of refrigerant and allows for efficient compression over a wide range of operating conditions.

3. Oil-Injected and Oil-Free Types:

Screw compressors can be either oil-injected or oil-free. Oil-injected screw compressors use oil for lubrication and cooling, which helps reduce friction and extend the compressor’s lifespan. In contrast, oil-free screw compressors use specialized coatings and materials to eliminate the need for oil, making them suitable for applications where oil contamination is a concern, such as in the pharmaceutical or food industries.

4. Multi-Stage Compression:

In refrigeration applications, screw compressors are often used in multi-stage configurations to achieve higher pressure ratios and improve overall system efficiency. Multi-stage compression involves compressing the refrigerant gas in multiple stages, typically with intermediate cooling between each stage, to reduce the work required for compression and enhance system performance.

5. Variable Speed Control:

Screw compressors can be equipped with variable speed drives (VSD) that allow for precise control of the compressor’s rotational speed. VSD technology enables the compressor to adjust its capacity according to the refrigeration load, resulting in energy savings and improved system performance.

6. System Integration:

Screw compressors are often integrated into complex refrigeration systems, working in tandem with other components such as condensers, evaporators, expansion valves, and control systems. This integration ensures efficient heat transfer, proper refrigerant flow, and effective temperature control.

It’s important to note that the selection of a screw compressor for refrigeration applications should consider factors such as cooling capacity requirements, operating conditions, refrigerant type, system configuration, and specific industry regulations.

In summary, screw compressors are well-suited for refrigeration applications, especially in industrial settings. Their efficiency, reliability, and capacity make them a popular choice for large-scale refrigeration systems. Whether in cold storage facilities, food processing plants, or HVAC systems, screw compressors play a crucial role in maintaining optimal temperatures and preserving perishable goods.

air compressor

Are There Different Types of Screw Compressors?

Yes, there are different types of screw compressors available, catering to various application requirements. Here’s an overview of the main types:

1. Oil-Injected Screw Compressors:

Oil-injected screw compressors, also known as lubricated screw compressors, are the most common type. These compressors require the injection of a small amount of lubricating oil into the compression chamber. The oil serves multiple purposes, including lubrication, cooling, sealing, and reducing friction between the rotors. Oil-injected screw compressors are widely used in industrial applications where a small amount of oil in the compressed air is acceptable.

2. Oil-Free Screw Compressors:

Oil-free screw compressors are designed to operate without the need for oil lubrication. These compressors incorporate specialized rotor coatings, such as PTFE (polytetrafluoroethylene) or other non-stick materials, to reduce friction and eliminate the need for oil. Oil-free screw compressors are preferred in applications that require oil-free and contaminant-free compressed air. Industries like food and beverage, pharmaceuticals, electronics, and others often rely on oil-free screw compressors to ensure the purity of the compressed air.

3. Variable Speed Drive (VSD) Screw Compressors:

VSD screw compressors, also known as variable frequency drive (VFD) screw compressors, are equipped with a variable speed drive system. This system allows the compressor to adjust the rotational speed of the motor and, consequently, the speed of the screw rotors. By varying the speed, VSD screw compressors can closely match the compressed air or gas demand, resulting in energy savings and improved efficiency. VSD screw compressors are particularly beneficial in applications with varying air demand, as they can adapt their output accordingly.

4. Two-Stage Screw Compressors:

Two-stage screw compressors consist of two sets of rotors arranged in series. The first stage compresses the air or gas to an intermediate pressure, and the second stage further compresses it to the desired final pressure. Two-stage screw compressors are commonly used in applications that require higher discharge pressures. By dividing the compression into two stages, these compressors can achieve higher efficiency and improved performance in high-pressure applications.

5. Water-Injected Screw Compressors:

Water-injected screw compressors, also known as liquid-injected screw compressors, utilize water or a water-glycol mixture as a sealing and cooling medium. The water injection helps in sealing the compression chamber and reduces the discharge temperature, enhancing the compressor’s efficiency. Water-injected screw compressors are often used in applications where oil contamination is a concern, such as in the pharmaceutical and food processing industries.

Each type of screw compressor has its own advantages and is suitable for specific applications. The choice of the screw compressor type depends on factors such as the desired level of air purity, the need for oil-free operation, energy efficiency requirements, and the operating conditions of the application.

China factory Portable Diesel Gasoline Electric Driven Combined Rotary Screw Air Compressors for Mining HP 20 250 Cfm Kw 7/8/10/13 Bar Construction Equipment with CE and ISO   manufacturer China factory Portable Diesel Gasoline Electric Driven Combined Rotary Screw Air Compressors for Mining HP 20 250 Cfm Kw 7/8/10/13 Bar Construction Equipment with CE and ISO   manufacturer
editor by CX 2024-04-08

China supplier High Pressure 30 Bar-40 Bar Oil-Free Pm VSD Two-Stage Rotary Screw Air Compressor for Pet Bottle Blowing Industry air compressor price

Product Description

2~40bar DIRECT-DRIVE  WATER-INJECTED OIL-FREE  SCREW AIR COMPRESSOR (PM VSD)
 

1. Low temperature means more efficiency
With an exceptionally low running temperature of less than 60ºC, near isothermal compression is achieved. 
The superior cooling capability of water removes the heat and gives more air per kW of power.
This also eliminates the need for an internal cooler and aftercooler, the associated power consumption reduces pressure drop to a minimum.

2. Cutting the maintenance cost
Spare parts only need air filter elements and water filter elements
Low operating temperature ensures the long service life of the screw air end, avoiding expensive maintenance costs for the screw rotor.
Low temperature reduces the stress on other components ensuring long life.

3. Avoiding the costs of extra energy to combat pressure drop
These costs, although not apparent at the time of purchase, are very high and contribute substantially to the total cost of ownership.

4. No Gearbox  No need for associated oil lubrication.

5. Simple structure 
Fewer moving parts than the dry oil-free screw air compressor, meaning there is less to go wrong, 
while balance bearing loads extend the compression element service life for low-cost operation. 

 

Product Parameters

 

 

Product Description

 

Company Profile

 

 

Hot Sale Products

 

 

 

            2~10bar Oil-injected                        7~16bar All-in-1                       Small Single-phase
       Screw Air Compressor                   Screw Air Compressor                 Screw Air Compressor  

 

          2~40bar 100% Oil-free                   8~12bar 100% Oil-free                Diesel Engine Portable
       Screw Air Compressor                   Scroll Air Compressor                 Screw Air Compressor  

 

 

Main Product

 

What we can supply:

* Oil-injected Screw Air Compressor (2~16 bar)
* All-in-1 Screw Air Compressor with Tank, Dryer, and Filters (7~16 bar)
* Single-phase Small Screw Air Compressor for Home use (8~10 bar)
* Water-injected Oil-free Screw Air Compressor (2~40 bar)
* Oil-free Scroll Air Compressor (8~12 bar)
* Diesel&Electric Engine Portable Screw Air Compressor (8~30 bar)
* Air Dryer, Air tank, Filters, and other Spare parts

 

/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

After-sales Service: 24*7 Online Services and Video Guide
Warranty: 1 Year for The Whole Machine & 2 Years for Air End
Lubrication Style: Oil-free
Cooling System: Air Cooling
Power Source: AC Power
Installation Type: Stationary Type
Customization:
Available

|

air compressor

Can Screw Compressors Be Used for Air Conditioning?

Yes, screw compressors can be used for air conditioning applications, particularly in larger commercial and industrial HVAC systems. Here’s a detailed explanation:

Screw compressors are a type of positive displacement compressor that can effectively handle large volumes of gas or air. They are known for their high efficiency, reliability, and ability to provide continuous operation. These qualities make screw compressors well-suited for air conditioning systems that require the compression of refrigerant gases to facilitate cooling.

In air conditioning applications, screw compressors are commonly used in two types of systems:

  • 1. Chillers: Screw compressors are frequently employed in chiller systems, which are central air conditioning units that cool water or another secondary refrigerant. In chiller-based air conditioning systems, the screw compressor works in conjunction with other components such as evaporators, condensers, and expansion valves to extract heat from the chilled water or secondary refrigerant and provide cooling to the desired space.
  • 2. Variable Refrigerant Flow (VRF) Systems: VRF systems utilize multiple individual indoor units connected to a single outdoor unit. These systems can provide simultaneous heating and cooling to different zones within a building. In VRF systems, screw compressors are often used in the outdoor units to compress the refrigerant gas, which is then distributed to the indoor units for heat exchange and cooling.

The advantages of using screw compressors in air conditioning systems include:

  • 1. High Capacity: Screw compressors are capable of handling large volumes of gas or air, making them suitable for air conditioning applications that require high cooling capacities.
  • 2. Energy Efficiency: Screw compressors can deliver high energy efficiency, especially when equipped with variable speed drives (VSD) that allow the compressor to adjust its speed based on the cooling demand. This leads to energy savings and improved system performance.
  • 3. Reliability: Screw compressors are known for their reliability and durability, making them a suitable choice for air conditioning systems that require continuous operation and long service life.
  • 4. Smooth Operation: Screw compressors operate with minimal vibration and noise, contributing to a comfortable and quiet air conditioning environment.
  • 5. Control Flexibility: Screw compressors can offer control flexibility, allowing for efficient modulation of cooling capacity based on the cooling load. This enables precise temperature control and improves overall system performance.

It’s important to note that screw compressors used in air conditioning systems require proper installation, maintenance, and periodic inspections to ensure optimal performance and longevity. Regular maintenance tasks, such as checking refrigerant levels, cleaning filters, and inspecting compressor components, should be performed in accordance with the manufacturer’s recommendations.

In summary, screw compressors can be effectively used for air conditioning applications, particularly in larger commercial and industrial HVAC systems. Their high capacity, energy efficiency, reliability, smooth operation, and control flexibility make them well-suited for chiller and VRF systems. Proper installation, maintenance, and adherence to manufacturer guidelines are essential for optimal performance and longevity of screw compressors in air conditioning applications.

air compressor

How Do You Troubleshoot Common Issues with Screw Compressors?

Troubleshooting common issues with screw compressors involves a systematic approach to identify and resolve problems that may arise during operation. Here’s a detailed explanation:

1. Gather Information:

  • Start by gathering information about the symptoms and any recent changes or events related to the compressor. This can help pinpoint potential causes and guide the troubleshooting process.

2. Check Power and Controls:

  • Ensure that the compressor has a power supply and that all electrical connections are secure. Check for any tripped breakers or blown fuses. Verify that the compressor’s controls, such as pressure switches, temperature sensors, and safety devices, are functioning correctly.

3. Inspect for Leaks:

  • Check for any visible leaks in the compressed air system, including connections, fittings, hoses, and seals. Leaks can cause a drop in system pressure and affect the compressor’s performance. Repair or replace any damaged components.

4. Monitor Pressure and Temperature:

  • Monitor the discharge pressure and temperature of the compressor. Abnormal readings can indicate issues such as inadequate lubrication, high discharge temperatures, or problems with the cooling system. Refer to the manufacturer’s specifications for acceptable pressure and temperature ranges.

5. Verify Lubrication:

  • Ensure that the compressor’s lubrication system is functioning correctly. Check oil levels and the condition of the lubricant. Inadequate lubrication can lead to increased friction, overheating, and damage to internal components. Follow the manufacturer’s recommendations for lubricant type and change intervals.

6. Check Air Filters and Cooling System:

  • Inspect and clean or replace the air filters to ensure proper airflow. Clogged filters can reduce efficiency and increase the compressor’s operating temperature. Additionally, check the cooling system, including fans and heat exchangers, to ensure they are clean and functioning correctly.

7. Examine Vibration and Noise:

  • Pay attention to any unusual vibration or noise coming from the compressor. Excessive vibration may indicate misalignment, worn bearings, or loose components. Unusual noise can be a sign of mechanical issues or problems with the intake or discharge system.

8. Review Maintenance Records:

  • Review the compressor’s maintenance records to ensure that regular maintenance tasks, such as oil changes, filter replacements, and inspections, have been performed according to the manufacturer’s recommendations. Address any overdue or missed maintenance tasks.

9. Consult Manufacturer Documentation:

  • Refer to the compressor’s operating manual and troubleshooting guide provided by the manufacturer. These documents often contain specific troubleshooting steps for common issues and can provide valuable insights.

10. Seek Professional Assistance:

  • If the troubleshooting steps do not resolve the issue or if you are unsure about performing further diagnostics, it is recommended to seek assistance from a qualified technician or contact the compressor manufacturer’s technical support.

Remember to prioritize safety throughout the troubleshooting process, following appropriate lockout/tagout procedures and wearing the necessary personal protective equipment.

In summary, troubleshooting common issues with screw compressors involves checking power and controls, inspecting for leaks, monitoring pressure and temperature, verifying lubrication, checking air filters and cooling systems, examining vibration and noise, reviewing maintenance records, consulting manufacturer documentation, and seeking professional assistance when needed. By following a systematic approach, it is possible to identify and resolve common problems with screw compressors, ensuring their proper operation and performance.

air compressor

What Are the Key Components of a Screw Compressor?

A screw compressor consists of several key components that work together to compress air or gas. Here’s a detailed explanation of these components:

1. Male and Female Rotors:

The male and female rotors are the primary components of a screw compressor. These helical rotors have specially designed profiles that interlock with each other. The male rotor typically has fewer lobes or threads compared to the female rotor. As the rotors rotate, the interlocking lobes create compression chambers that gradually reduce in volume, compressing the air or gas.

2. Compression Chamber:

The compression chamber is formed by the interlocking lobes of the rotors. It is the space where the air or gas is compressed as the rotors rotate. The volume of the compression chamber decreases as the lobes move towards the discharge end, resulting in the compression of the trapped air or gas.

3. Inlet and Outlet Ports:

The inlet port is the entry point through which the air or gas enters the screw compressor. It is typically located at the suction side of the compressor. The inlet port allows the air or gas to flow into the compression chamber during the suction process. The outlet port is the exit point through which the compressed air or gas is discharged from the compressor.

4. Drive System:

The drive system of a screw compressor consists of a motor and a drive mechanism. The motor provides the rotational power required to drive the rotors. Common types of drive mechanisms include direct drive, belt drive, and gear drive. The drive system ensures that the rotors rotate in opposite directions at the desired speed and synchronization.

5. Oil System (in oil-injected compressors):

In oil-injected screw compressors, an oil system is present to provide lubrication, cooling, and sealing between the rotors. The oil system typically includes an oil reservoir, an oil pump, oil filters, and oil coolers. The lubricating oil is injected into the compression chamber, where it forms a thin film on the rotors, reducing friction and minimizing wear.

6. Cooling System:

Screw compressors often incorporate a cooling system to maintain optimal operating temperatures. The cooling system may include air or water-cooled heat exchangers, which dissipate the heat generated during compression. Cooling ensures that the compressor operates within safe temperature limits, preventing overheating and prolonging the lifespan of the components.

7. Control System:

A control system is an essential component of a screw compressor, providing monitoring and regulation of various parameters. It may include sensors, controllers, and safety devices to measure and control variables such as pressure, temperature, and operating conditions. The control system ensures efficient and safe operation of the screw compressor.

8. Sound Attenuation and Vibration Isolation:

To reduce noise and vibration, screw compressors are often equipped with sound attenuation measures and vibration isolation systems. These components help in minimizing the noise and vibrations generated during operation, making the compressor suitable for noise-sensitive environments.

In summary, the key components of a screw compressor include the male and female rotors, compression chamber, inlet and outlet ports, drive system, oil system (in oil-injected compressors), cooling system, control system, and sound attenuation/vibration isolation components. These components work together to enable the efficient compression of air or gas in the screw compressor.

China supplier High Pressure 30 Bar-40 Bar Oil-Free Pm VSD Two-Stage Rotary Screw Air Compressor for Pet Bottle Blowing Industry   air compressor priceChina supplier High Pressure 30 Bar-40 Bar Oil-Free Pm VSD Two-Stage Rotary Screw Air Compressor for Pet Bottle Blowing Industry   air compressor price
editor by CX 2024-03-28

China Hot selling Hot Sale 700 Cfm 18 Bar Portable Diesel Driven High Pressure Screw Air Compressor with Good quality

Product Description

 

Explosion-proof screw air compressors are used in hazardous environments such as chemical, petroleum, and mines. They are divided into 2 categories: screw mobile air compressors for coal mines and non-coal mine (chemical) explosion-proof screw air compressors . It mainly includes intake valve, air filter assembly, explosion-proof power distribution device, high-efficiency explosion-proof three-phase asynchronous motor, explosion-proof pressure and temperature transmitter, screw host, oil and gas separator, minimum pressure valve, replacement Heater, protection device and various pipelines etc. The electrical explosion-proof components used in this product conform to the relevant provisions of national standards GB3836.1-2571, GB3836.2-2571, GB3836.3-2571, GB3836.4-2571, etc. and have relevant explosion-proof certificates.

Electric mobile air compressor
Rated power: 37~185KW
Exhaust volume: 6.0~25.5m3/min
Exhaust pressure: 0.7~1.8Mpa
Transmission mode: direct connection
Cooling method: air cooling
 

Diesel mobile air compressor
Diesel power: 37~185KW
Exhaust volume: 3.2~34m3/min
Exhaust pressure: 0.7~2.5Mpa
Transmission mode: direct connection
Cooling method: air cooling
 

Screw air compressor parameter

Model PDA-13/8
Exhaust volume 13m3/min
Exhaust pressure 0.8Mpa
Cooling method Water cooling
Minimum fuel consumption 160g/kw*h
Compressed form Single stage compression
Engine Diesel
Rated power 92KW
Rated speed 2500rpm
Number of cylinders 6
Transfer method Direct join
Dimensions (can be customized towing mobile type) 2200*1750*2000mm(Traction length:500mm, Muffler high:360mm Tire height:650mm)
Weight 1800kg

Model YCLG-11.5/8
Exhaust volume 11.5m3/min(about 410cfm)
Exhaust pressure 0.8Mpa
Cooling method Water cooling
Minimum fuel consumption 160g/kw*h
Compressed form Single stage compression
Engine Diesel
Rated power 92KW
Rated speed 2500rpm
Number of cylinders 6
Transfer method Direct join
Dimensions (can be customized towing mobile type) 3000*2000*1800mm(Traction length:500mm, Muffler high:360mm Tire height:650mm)
Weight 1800kg

It is suitable for drilling and pulling back of different holes, and can also be used with down-the-hole drilling rigs for core drilling, chemical industry, mine drainage and soft foundation grouting.

 

-COMPANY BRIEF-

We provide high-quality and complete drilling equipment including drilling rigs, drilling tools, mud pumps, DTH drilling tools, rock drilling tools, etc. They are widely used in water wells, farmland irrigation, geological exploration, small pile holes, geothermal, rope coring, Mining etc. Our products are the products of choice for drilling engineers in many countries due to their precise design and efficient drilling in use.

Main product

Application

Borehole drilling, Civil Infrastructure, civil engineering, and infrastructure, for rock core drilling, Soil Testing and sampling, geophysical survey companies, Pile foundation drilling, bridge drilling, wind power generation, large-mouth engineering drilling, oil field, metallurgy, mining, geological mineral exploration, water conservancy and hydropower construction, coal mine, mine tunnel drilling, grouting reinforcement engineering, highway, subway, high-speed rail, concrete core sampling, etc, Coring exploration, drilling.

Workshop
Why we achive today′s achievements is because we are supported and assisted by a highly experienced team of designers and engineers that enable us to complete all the assigned projects successfully as per the specified requirement from our clients. HangZhou International Technology  Co.,Ltd. will continue committing to provide low cost Rock Drills, Drilling tools, well drilling rigs, high efficiency drilling tools, energy saving and environmental product for domestic and international clients.

-WHY CHOOSE US-

–The first-class engineers of tricone bits and PDC bits
–Advanced technology and Equipment, International standard.
–R&D center for rock drilling tools, high precision CNC machines, SGS&ISO Certified.
–10+ Years & 40+ Countries of service experience.
–Optimized solutions for the various requirements.

DIY customization: please provide your rock formation information or detailed size drawings.

Free samples: some samples can be provided free of charge.

Payment:T/T L/C,D/A,D/P,Western Union,MoneyGram.
 

Packaging
Wood Box
Fumigation Tray if necessary
Other special package can be applied
according to customer’s need
Delivery
Prepared to deliver within 1 week, if in stock
Depends on order quantity, when out of stock
Transportation:By sea or air

 

Purchase process

 

 

 

 

/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

After-sales Service: Support Online Service
Warranty: 1 Year
Lubrication Style: Lubricated or Oil-Less
Cooling System: Air Cooling/Water Cooling
Power Source: AC Power
Cylinder Position: Vertical
Customization:
Available

|

air compressor

Can Screw Compressors Be Used for Air Conditioning?

Yes, screw compressors can be used for air conditioning applications, particularly in larger commercial and industrial HVAC systems. Here’s a detailed explanation:

Screw compressors are a type of positive displacement compressor that can effectively handle large volumes of gas or air. They are known for their high efficiency, reliability, and ability to provide continuous operation. These qualities make screw compressors well-suited for air conditioning systems that require the compression of refrigerant gases to facilitate cooling.

In air conditioning applications, screw compressors are commonly used in two types of systems:

  • 1. Chillers: Screw compressors are frequently employed in chiller systems, which are central air conditioning units that cool water or another secondary refrigerant. In chiller-based air conditioning systems, the screw compressor works in conjunction with other components such as evaporators, condensers, and expansion valves to extract heat from the chilled water or secondary refrigerant and provide cooling to the desired space.
  • 2. Variable Refrigerant Flow (VRF) Systems: VRF systems utilize multiple individual indoor units connected to a single outdoor unit. These systems can provide simultaneous heating and cooling to different zones within a building. In VRF systems, screw compressors are often used in the outdoor units to compress the refrigerant gas, which is then distributed to the indoor units for heat exchange and cooling.

The advantages of using screw compressors in air conditioning systems include:

  • 1. High Capacity: Screw compressors are capable of handling large volumes of gas or air, making them suitable for air conditioning applications that require high cooling capacities.
  • 2. Energy Efficiency: Screw compressors can deliver high energy efficiency, especially when equipped with variable speed drives (VSD) that allow the compressor to adjust its speed based on the cooling demand. This leads to energy savings and improved system performance.
  • 3. Reliability: Screw compressors are known for their reliability and durability, making them a suitable choice for air conditioning systems that require continuous operation and long service life.
  • 4. Smooth Operation: Screw compressors operate with minimal vibration and noise, contributing to a comfortable and quiet air conditioning environment.
  • 5. Control Flexibility: Screw compressors can offer control flexibility, allowing for efficient modulation of cooling capacity based on the cooling load. This enables precise temperature control and improves overall system performance.

It’s important to note that screw compressors used in air conditioning systems require proper installation, maintenance, and periodic inspections to ensure optimal performance and longevity. Regular maintenance tasks, such as checking refrigerant levels, cleaning filters, and inspecting compressor components, should be performed in accordance with the manufacturer’s recommendations.

In summary, screw compressors can be effectively used for air conditioning applications, particularly in larger commercial and industrial HVAC systems. Their high capacity, energy efficiency, reliability, smooth operation, and control flexibility make them well-suited for chiller and VRF systems. Proper installation, maintenance, and adherence to manufacturer guidelines are essential for optimal performance and longevity of screw compressors in air conditioning applications.

air compressor

Can Screw Compressors Be Used for Refrigeration?

Yes, screw compressors can be used for refrigeration applications. Here’s a detailed explanation:

Screw compressors are versatile and widely used in various industrial applications, including refrigeration. They are known for their efficiency, reliability, and ability to handle high-capacity refrigeration systems. Screw compressors work by compressing refrigerant gas, increasing its pressure and temperature, and then transferring the heat to the surrounding environment.

Here are some key points regarding the use of screw compressors in refrigeration:

1. Industrial Refrigeration Systems:

Screw compressors are commonly employed in large-scale industrial refrigeration systems, such as those used in cold storage facilities, food processing plants, beverage production, and HVAC systems for commercial buildings. These systems require high cooling capacities and continuous operation, making screw compressors an ideal choice.

2. Positive Displacement Compressors:

Screw compressors belong to the category of positive displacement compressors. They use two interlocking helical rotors (screws) to trap and compress the refrigerant gas. This design ensures a continuous flow of refrigerant and allows for efficient compression over a wide range of operating conditions.

3. Oil-Injected and Oil-Free Types:

Screw compressors can be either oil-injected or oil-free. Oil-injected screw compressors use oil for lubrication and cooling, which helps reduce friction and extend the compressor’s lifespan. In contrast, oil-free screw compressors use specialized coatings and materials to eliminate the need for oil, making them suitable for applications where oil contamination is a concern, such as in the pharmaceutical or food industries.

4. Multi-Stage Compression:

In refrigeration applications, screw compressors are often used in multi-stage configurations to achieve higher pressure ratios and improve overall system efficiency. Multi-stage compression involves compressing the refrigerant gas in multiple stages, typically with intermediate cooling between each stage, to reduce the work required for compression and enhance system performance.

5. Variable Speed Control:

Screw compressors can be equipped with variable speed drives (VSD) that allow for precise control of the compressor’s rotational speed. VSD technology enables the compressor to adjust its capacity according to the refrigeration load, resulting in energy savings and improved system performance.

6. System Integration:

Screw compressors are often integrated into complex refrigeration systems, working in tandem with other components such as condensers, evaporators, expansion valves, and control systems. This integration ensures efficient heat transfer, proper refrigerant flow, and effective temperature control.

It’s important to note that the selection of a screw compressor for refrigeration applications should consider factors such as cooling capacity requirements, operating conditions, refrigerant type, system configuration, and specific industry regulations.

In summary, screw compressors are well-suited for refrigeration applications, especially in industrial settings. Their efficiency, reliability, and capacity make them a popular choice for large-scale refrigeration systems. Whether in cold storage facilities, food processing plants, or HVAC systems, screw compressors play a crucial role in maintaining optimal temperatures and preserving perishable goods.

air compressor

What Are the Key Components of a Screw Compressor?

A screw compressor consists of several key components that work together to compress air or gas. Here’s a detailed explanation of these components:

1. Male and Female Rotors:

The male and female rotors are the primary components of a screw compressor. These helical rotors have specially designed profiles that interlock with each other. The male rotor typically has fewer lobes or threads compared to the female rotor. As the rotors rotate, the interlocking lobes create compression chambers that gradually reduce in volume, compressing the air or gas.

2. Compression Chamber:

The compression chamber is formed by the interlocking lobes of the rotors. It is the space where the air or gas is compressed as the rotors rotate. The volume of the compression chamber decreases as the lobes move towards the discharge end, resulting in the compression of the trapped air or gas.

3. Inlet and Outlet Ports:

The inlet port is the entry point through which the air or gas enters the screw compressor. It is typically located at the suction side of the compressor. The inlet port allows the air or gas to flow into the compression chamber during the suction process. The outlet port is the exit point through which the compressed air or gas is discharged from the compressor.

4. Drive System:

The drive system of a screw compressor consists of a motor and a drive mechanism. The motor provides the rotational power required to drive the rotors. Common types of drive mechanisms include direct drive, belt drive, and gear drive. The drive system ensures that the rotors rotate in opposite directions at the desired speed and synchronization.

5. Oil System (in oil-injected compressors):

In oil-injected screw compressors, an oil system is present to provide lubrication, cooling, and sealing between the rotors. The oil system typically includes an oil reservoir, an oil pump, oil filters, and oil coolers. The lubricating oil is injected into the compression chamber, where it forms a thin film on the rotors, reducing friction and minimizing wear.

6. Cooling System:

Screw compressors often incorporate a cooling system to maintain optimal operating temperatures. The cooling system may include air or water-cooled heat exchangers, which dissipate the heat generated during compression. Cooling ensures that the compressor operates within safe temperature limits, preventing overheating and prolonging the lifespan of the components.

7. Control System:

A control system is an essential component of a screw compressor, providing monitoring and regulation of various parameters. It may include sensors, controllers, and safety devices to measure and control variables such as pressure, temperature, and operating conditions. The control system ensures efficient and safe operation of the screw compressor.

8. Sound Attenuation and Vibration Isolation:

To reduce noise and vibration, screw compressors are often equipped with sound attenuation measures and vibration isolation systems. These components help in minimizing the noise and vibrations generated during operation, making the compressor suitable for noise-sensitive environments.

In summary, the key components of a screw compressor include the male and female rotors, compression chamber, inlet and outlet ports, drive system, oil system (in oil-injected compressors), cooling system, control system, and sound attenuation/vibration isolation components. These components work together to enable the efficient compression of air or gas in the screw compressor.

China Hot selling Hot Sale 700 Cfm 18 Bar Portable Diesel Driven High Pressure Screw Air Compressor   with Good qualityChina Hot selling Hot Sale 700 Cfm 18 Bar Portable Diesel Driven High Pressure Screw Air Compressor   with Good quality
editor by CX 2024-02-24

China Hot selling CHINAMFG Rotary Screw Air Compressor Ws Series Ws1800/Ws2200/Ws3000/Ws3700/Ws4500/Ws5500/Ws7500 7.6bar/8.6bar/10.6bar/12.6 Bar air compressor price

Product Description

Quick Details
Place of Origin:ZheJiang , China
Dimension(L*W*H):1800*600*1560
POWER:5.5KW,7.5HP
PRESSURE:7/8/10/12BAR
FLOW RATE:0.79M3/MIN
AIR END:PERMANENT MAGNET SYNCHRONOUS ONE-PIECE
COOLING:AIR
DRIVE METHOD:DIRECT CONNECTION
ENVIRONMENT TEMPERATURE:-5—–+45ºC
NOISE:62±2DB
COLOR:blue , grey , yellow for your choose
OEM:WELCOMED
Weight:380KG
After-sales Service Provided:Engineers available to service machinery overseas
Warranty:1 year for machine, 2 years for air end
Configuration:stationary
Lubrication Style:Lubricated
Type:SCREW
Voltage:380V/220V/415V
Condition:New
Certification:CE, ISO,ASME,DOSH,PED,MOM
Power Source:AC POWER
Mute:lower noise

Supply Ability
Supply Ability:3000 Piece/Pieces per Month

Packaging & Delivery
Packaging Details:Besides the Plywood case package,the CHINAMFG also wrapped with foam strip.
Port:HangZhou 
Lead Time :about 25 days
After- sales service :
1. Sample order
2. After sending, we will track the products for you once every 2 days, until you get the products. When you got the goods, test it, and give me a feedback.If you have any questions about the problem, contact with us, we will offer the solution for you.

Products Description

Established in 1965 , CHINAMFG Corporation, a whole-owned company of United Technologies Corporation (Abbr. UTC, which was ranked the 112th among the Global 500 by Fortune Magazine in 2011), is 1 of the world’s leading authorities on rotary screw compression technology. Since it began manufacturing rotary screw compressors in 1965, CHINAMFG has focused on this oil-free area of specialization. CHINAMFG uses its extensive resources of UTC to further develop and advance oil-free rotary screw technology. The company has made great achievements in the field. Its water-flooded oil-free twin screw compressors are utilized in various industrial fields, such as electronics,hospital/medical supply,container manufacturing,food packaging,etc. 

Sullair products are known around the world for their universally applicable design, outstanding craftsmanship and superior quality. WS series (18- 75kW) compressor, which are environmental, reliable, quiet, with excellent performance and easy to be maintained, has been provided by sullair. These machines have redefined industry standards for continuousduty compressors in the 18-75KW range.

Standard Features

•Low restriction inlet valve for better cfm performance

•Low life cycle costs including long-life bearings, rotors, and the air end

•Nema 4 standard and excellent motor cooling design characteristics for longer motor life

•WS microprocessor standard

•Optimalair air filter provides 10 times better filtration than other filters

•Sullube -8000-hour non-varnishing, biodegradable compressor fluid and less than 2 ppm fluid carryover

•Sequenced standard

•Smallest footprint in its class

•Quietest in its class, as low as 67 dBA

•Environmental, health, and safety design features

Quiet Design

This CHINAMFG series incorporates many design features to reduce the noise of the machine.

  • Air end, motor and receiver tank are mounted on rubber isolator
  • Insulate intake and exhaust louvers
  • Low-noise fan

In fact, these compressors are so quiet they can be installed anywhere in your facility.

5-Year Warranty on CHINAMFG Air End

In normal ambient condition, when used according to CHINAMFG recommendations, we guarantee the Air ends:

• No quality problems for 5 years

• No change in performance for 5 years
Product Parameters

Detailed Photos
 

Company Information

Upet Oilfield Equipments Co.,Limited, located near the famous CHINAMFG Oilfield, is 1 of the most CHINAMFG suppliers for the oilfield equipments in China, with our persistant efforts step by step in the past years, CHINAMFG now has grown up to a star company which is not big but very strong in this field.
UPET products cover the whole areas of the wellsites, from a very small spare part to a big complete rig system. CHINAMFG designs, manufactures and markets various kinds of oilfield equipments including drilling equipments,production equipments, well service equipments and line pipes etc. Our main products are: mud pumps, mud pump spare parts, Coiled Tubing Unit,Coiled Tubings,DC/AC Motors, CHINAMFG control equipments, power units, truck-mounted rigs, workover rigs, land rigs, drilling pipes drilling tools,Pneumatic and Hydraulic Parts etc. All of our products are manufactured according to the API Standard, and we are authorized to use API monogram.
We understand the needs of the operators and drilling contractors around the world. High quality, competitive prices and fast delivery are our top priorities.Our products have been exported to more than 30 countries& areas around the world, 90% of our exsisting customers have done the business with us by more than 5 times, no one-off customer. We will continue to expand our range, and win more customers’ trust with our better and better performance.
We welcome the CHINAMFG cooperation relationship with the partners from any places in the world, each customer is our god and helper. Warmly welcome you to come to China and visit us!
With us, you will save money, time, trouble, and most important point is that you can sleep better.
 

FAQ
Q1. Can you produce according to the samples?
A: Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.
Q2. What is your sample policy?
A: We can supply the sample if we have ready parts in stock, but the customers have to pay the sample cost and the courier cost.
Q3. Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery.
Q4: How do you make our business long-term and good relationship?
A:1. We keep good quality and competitive price to ensure our customers benefit ;
2. We respect every customer as our friend and we sincerely do business and make friends with them, no matter where they come from.
 

 

/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Warranty: 1 Year
Colour: Customer Requirement
Condition: New
Transport Package: Standard Export Package
Specification: 7.6Bar/8.6Bar/10.6Bar/12.6 Bar
Trademark: SULLAIR
Customization:
Available

|

air compressor

Are There Oil-Free Screw Compressors Available?

Yes, oil-free screw compressors are available in the market to cater to applications where oil contamination is a concern. Here’s a detailed explanation:

Oil-free screw compressors, as the name suggests, are designed to operate without the use of lubricating oil in the compression chamber. These compressors offer several advantages in industries where oil-free compressed air or gas is required, such as in food and beverage, pharmaceutical, electronics, and certain manufacturing processes.

The key features and considerations of oil-free screw compressors include:

  • 1. Specialized Design: Oil-free screw compressors are designed with specialized materials, coatings, and sealing systems to eliminate the need for lubricating oil in the compression process. The rotors and other internal components are constructed to ensure minimal friction and wear, even in the absence of oil.
  • 2. Dry Compression: Unlike lubricated screw compressors, oil-free screw compressors rely on dry compression methods. The compression chamber is designed to achieve compression without the presence of oil, ensuring that the discharged air or gas is free from oil contaminants. This is particularly critical in industries where oil contamination can have detrimental effects on product quality or equipment performance.
  • 3. Sealing Technology: Oil-free screw compressors employ advanced sealing technologies to prevent air or gas leakage between the high-pressure and low-pressure sides of the compressor. These sealing systems ensure efficient compression while maintaining the required clearances between the rotors and the compressor housing.
  • 4. Cooling Systems: Oil-free screw compressors utilize alternative cooling methods, such as air or water cooling, to dissipate the heat generated during compression. Efficient cooling is crucial to prevent overheating and ensure reliable operation.
  • 5. Filtration Systems: Oil-free compressors often incorporate high-quality filtration systems to remove particulates, moisture, and other contaminants from the incoming air or gas. These filtration systems help maintain the integrity of the compressor and ensure the delivery of clean, oil-free compressed air or gas.
  • 6. Application-Specific Solutions: Oil-free screw compressors are available in various sizes and configurations to meet specific application requirements. They can be tailored to deliver the desired air or gas flow rates, pressures, and purity levels.

It’s important to note that oil-free screw compressors generally have higher initial costs compared to lubricated compressors due to their specialized design and materials. However, they offer benefits such as reduced maintenance, minimized risk of oil contamination, and compliance with stringent industry standards or regulations.

When considering an oil-free screw compressor, it’s crucial to assess the specific application needs, air quality requirements, and operating conditions. Consulting with manufacturers or suppliers can help in selecting the most suitable oil-free screw compressor for a particular industry or process.

In summary, oil-free screw compressors are available and offer a reliable and efficient solution for applications where oil-free compressed air or gas is essential. These compressors are designed with specialized features to ensure dry compression, reliable sealing, effective cooling, and high-quality filtration.

air compressor

What Is the Role of Control Systems in Screw Compressor Operation?

Control systems play a crucial role in the operation of screw compressors. Here’s a detailed explanation:

Screw compressors are complex machines that require precise control and monitoring for optimal performance and efficiency. Control systems provide the necessary intelligence and automation to regulate various aspects of screw compressor operation. Here are the key roles of control systems:

1. Start-up and Shutdown Control:

Control systems manage the start-up and shutdown sequences of screw compressors. During start-up, the control system ensures a gradual ramp-up of motor speed and system pressure to prevent sudden surges and excessive wear on components. During shutdown, it safely brings the compressor to a stop and performs necessary cooling and ventilation processes.

2. Load and Unload Control:

Screw compressors often feature load and unload operation to match compressed air supply with demand. The control system monitors system pressure, flow requirements, and other parameters to determine when to load or unload the compressor. It engages or disengages the compressor’s capacity control mechanism, such as inlet modulation valves or variable-speed drives, to maintain optimal operation at varying loads.

3. Pressure Control:

Control systems regulate the discharge pressure of screw compressors. They continuously monitor the system pressure and adjust compressor operation to maintain the desired pressure setpoint. The control system modulates the compressor’s capacity, adjusts the speed of the drive motor, or controls the opening and closing of inlet or discharge valves to achieve the target pressure.

4. Temperature Control:

Control systems monitor and control various temperature parameters within the screw compressor system. They ensure that the compressor operates within safe temperature limits by monitoring coolant temperatures, lubricant temperatures, and interstage or discharge temperatures. If temperature limits are exceeded, the control system may activate cooling mechanisms, adjust operating parameters, or trigger alarms and shutdowns to prevent damage.

5. Monitoring and Protection:

Control systems provide comprehensive monitoring and protection functions for screw compressors. They continuously collect data from various sensors and instruments, such as pressure sensors, temperature sensors, vibration sensors, and current sensors. The control system analyzes this data to detect abnormalities, malfunctions, or potential failures. It can initiate alarms, shutdowns, or safety interlocks to protect the compressor and associated equipment.

6. Energy Management:

Control systems optimize energy efficiency in screw compressor operation. They analyze system demand, performance characteristics, and energy consumption to make intelligent decisions regarding load modulation, capacity control, and motor speed adjustments. By optimizing the compressor’s operation, the control system helps reduce energy consumption, operating costs, and environmental impact.

7. Remote Monitoring and Control:

Modern control systems often offer remote monitoring and control capabilities. They can be integrated into supervisory control and data acquisition (SCADA) systems or connected to networked platforms. Remote access allows operators to monitor compressor performance, adjust operating parameters, receive alarms, and perform diagnostics from a central control room or via mobile devices.

In summary, control systems play a vital role in the operation of screw compressors by providing intelligent control, monitoring, and protection. They manage start-up and shutdown sequences, regulate load and unload operation, control pressure and temperature, monitor system parameters, optimize energy efficiency, and enable remote monitoring and control. By effectively managing the compressor’s operation, control systems contribute to reliable performance, energy efficiency, and overall system optimization.

air compressor

What Are the Key Components of a Screw Compressor?

A screw compressor consists of several key components that work together to compress air or gas. Here’s a detailed explanation of these components:

1. Male and Female Rotors:

The male and female rotors are the primary components of a screw compressor. These helical rotors have specially designed profiles that interlock with each other. The male rotor typically has fewer lobes or threads compared to the female rotor. As the rotors rotate, the interlocking lobes create compression chambers that gradually reduce in volume, compressing the air or gas.

2. Compression Chamber:

The compression chamber is formed by the interlocking lobes of the rotors. It is the space where the air or gas is compressed as the rotors rotate. The volume of the compression chamber decreases as the lobes move towards the discharge end, resulting in the compression of the trapped air or gas.

3. Inlet and Outlet Ports:

The inlet port is the entry point through which the air or gas enters the screw compressor. It is typically located at the suction side of the compressor. The inlet port allows the air or gas to flow into the compression chamber during the suction process. The outlet port is the exit point through which the compressed air or gas is discharged from the compressor.

4. Drive System:

The drive system of a screw compressor consists of a motor and a drive mechanism. The motor provides the rotational power required to drive the rotors. Common types of drive mechanisms include direct drive, belt drive, and gear drive. The drive system ensures that the rotors rotate in opposite directions at the desired speed and synchronization.

5. Oil System (in oil-injected compressors):

In oil-injected screw compressors, an oil system is present to provide lubrication, cooling, and sealing between the rotors. The oil system typically includes an oil reservoir, an oil pump, oil filters, and oil coolers. The lubricating oil is injected into the compression chamber, where it forms a thin film on the rotors, reducing friction and minimizing wear.

6. Cooling System:

Screw compressors often incorporate a cooling system to maintain optimal operating temperatures. The cooling system may include air or water-cooled heat exchangers, which dissipate the heat generated during compression. Cooling ensures that the compressor operates within safe temperature limits, preventing overheating and prolonging the lifespan of the components.

7. Control System:

A control system is an essential component of a screw compressor, providing monitoring and regulation of various parameters. It may include sensors, controllers, and safety devices to measure and control variables such as pressure, temperature, and operating conditions. The control system ensures efficient and safe operation of the screw compressor.

8. Sound Attenuation and Vibration Isolation:

To reduce noise and vibration, screw compressors are often equipped with sound attenuation measures and vibration isolation systems. These components help in minimizing the noise and vibrations generated during operation, making the compressor suitable for noise-sensitive environments.

In summary, the key components of a screw compressor include the male and female rotors, compression chamber, inlet and outlet ports, drive system, oil system (in oil-injected compressors), cooling system, control system, and sound attenuation/vibration isolation components. These components work together to enable the efficient compression of air or gas in the screw compressor.

China Hot selling CHINAMFG Rotary Screw Air Compressor Ws Series Ws1800/Ws2200/Ws3000/Ws3700/Ws4500/Ws5500/Ws7500 7.6bar/8.6bar/10.6bar/12.6 Bar   air compressor priceChina Hot selling CHINAMFG Rotary Screw Air Compressor Ws Series Ws1800/Ws2200/Ws3000/Ws3700/Ws4500/Ws5500/Ws7500 7.6bar/8.6bar/10.6bar/12.6 Bar   air compressor price
editor by CX 2024-02-16

China high quality Mini Quiet 1 Phase 220/230/240V 8 Bar~10 Bar 4 Kw 5.5 HP 360L/Min Tank Mounted Pm VSD Rotary Screw Air Compressor for Automobile Spray Painting air compressor parts

Product Description

SINGLE PHASE OIL INJECTED ROTARY SCREW AIR COMPRESSOR (PM VSD)

Product Parameters

 

Product Description

Hot Sale Products

 

 

 

            2~10bar Oil-injected                        7~16bar All-in-1                       Small Single-phase
       Screw Air Compressor                   Screw Air Compressor                 Screw Air Compressor  

 

          2~40bar 100% Oil-free                   8~12bar 100% Oil-free                Diesel Engine Portable
       Screw Air Compressor                   Scroll Air Compressor                 Screw Air Compressor  

 

Main Product

 

What we can supply:

* Oil-injected Screw Air Compressor (2~16 bar)
* All-in-1 Screw Air Compressor with Tank, Dryer, and Filters (7~16 bar)
* Single-phase Small Screw Air Compressor for Home use (8~10 bar)
* Water-injected Oil-free Screw Air Compressor (2~40 bar)
* Oil-free Scroll Air Compressor (8~12 bar)
* Diesel&Electric Engine Portable Screw Air Compressor (8~30 bar)
* Air Dryer, Air tank, Filters, and other Spare parts

/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

After-sales Service: 24*7 Online Services and Video Guide
Warranty: 1 Year for The Whole Machine & 2 Years for Airend
Lubrication Style: Lubricated
Cooling System: Air Cooling
Power Source: AC Power
Installation Type: Stationary Type
Customization:
Available

|

air compressor

What Is the Lifespan of a Typical Screw Compressor?

The lifespan of a typical screw compressor can vary depending on several factors, including the quality of the equipment, maintenance practices, operating conditions, and usage patterns. Here’s a detailed explanation:

The lifespan of a screw compressor is typically measured in operating hours, which refers to the cumulative hours the compressor has been in operation. While it’s challenging to provide an exact lifespan, as it can vary significantly, screw compressors are generally designed to have a long service life, often ranging from 20,000 to 100,000 operating hours.

Several factors can influence the lifespan of a screw compressor:

  • 1. Quality of Construction: The quality of construction and materials used in the compressor’s manufacturing plays a crucial role in its lifespan. Compressors built with high-quality components and robust construction tend to have a longer service life compared to those with lower-quality materials.
  • 2. Maintenance Practices: Regular and proper maintenance is essential to extend the lifespan of a screw compressor. Following the manufacturer’s recommended maintenance schedule, including tasks such as oil changes, filter replacements, and inspection of critical components, helps ensure optimal performance and reliability. Neglecting maintenance can lead to premature wear and potential breakdowns.
  • 3. Operating Conditions: The operating conditions in which the compressor operates can impact its lifespan. Factors such as temperature, humidity, and the presence of contaminants in the ambient air can affect the compressor’s performance and longevity. Compressors operated in clean, well-ventilated environments with controlled temperature and humidity conditions tend to have longer lifespans.
  • 4. Load and Usage Patterns: The load and usage patterns of the compressor also influence its lifespan. Compressors operated at or near their maximum capacity for prolonged periods may experience higher wear and tear compared to those operated within their recommended operating range. Compressors subjected to frequent start-stop cycles or continuous operation may have different lifespans based on the stress placed on their components.
  • 5. Maintenance and Repairs: The response to maintenance and repair needs can impact the compressor’s lifespan. Timely addressing of maintenance issues and prompt repairs when faults or malfunctions occur can prevent further damage and help prolong the compressor’s lifespan.
  • 6. Manufacturer and Design: The reputation and expertise of the manufacturer play a role in determining the compressor’s lifespan. Established manufacturers with a track record of producing reliable and durable equipment often design their compressors to have longer lifespans. It’s advisable to choose compressors from reputable manufacturers known for their quality and reliability.

It’s important to note that while a screw compressor may have a designed lifespan, it doesn’t necessarily mean it will fail immediately after reaching that threshold. With proper maintenance and care, compressors can often exceed their expected lifespan. On the other hand, neglecting maintenance or subjecting the compressor to harsh operating conditions can shorten its lifespan.

Regular monitoring of the compressor’s performance, including parameters such as discharge temperature, vibration levels, and energy consumption, can help identify any potential issues and take corrective actions to maintain the compressor’s reliability and extend its lifespan.

In summary, the lifespan of a typical screw compressor can range from 20,000 to 100,000 operating hours, depending on factors such as the quality of construction, maintenance practices, operating conditions, usage patterns, and manufacturer reputation. Adhering to proper maintenance practices, operating the compressor within its recommended parameters, and choosing a reputable manufacturer can help ensure a longer lifespan for the screw compressor.

air compressor

Are There Regulations Governing the Use of Screw Compressors in Certain Industries?

Yes, there are regulations governing the use of screw compressors in certain industries. Here’s a detailed explanation:

1. Occupational Safety and Health Administration (OSHA):

In the United States, OSHA sets standards and regulations to ensure the safety and health of workers. While OSHA does not have specific regulations solely focused on screw compressors, they have general requirements that apply to compressed air systems, including screw compressors. These requirements cover aspects such as electrical safety, guarding of moving parts, and proper maintenance practices to ensure worker safety.

2. Environmental Protection Agency (EPA):

The EPA in the United States regulates air emissions to protect the environment and public health. While screw compressors themselves are not directly regulated, if the compressed air is used in processes that emit pollutants, such as in industrial manufacturing, the EPA may have regulations that apply to those specific industries or processes.

3. Industry-Specific Regulations:

Certain industries have specific regulations that govern the use of screw compressors or compressed air systems. These regulations are often aimed at ensuring product quality, safety, and environmental compliance. Some examples include:

a) Food and Beverage Industry: The food and beverage industry often has strict regulations to ensure product safety and prevent contamination. Compressed air used in processes such as packaging, conveying, or powering equipment may need to meet specific quality standards, such as those established by the Food and Drug Administration (FDA) or the Global Food Safety Initiative (GFSI).

b) Pharmaceutical Industry: The pharmaceutical industry has stringent regulations to ensure product quality, safety, and compliance with Good Manufacturing Practices (GMP). Compressed air used in pharmaceutical manufacturing processes must meet specific standards, such as those outlined in the United States Pharmacopeia (USP) or the European Pharmacopoeia (Ph. Eur.).

c) Electronics Industry: The electronics industry often requires clean and dry compressed air to prevent damage to sensitive electronic components. Standards such as ISO 8573, which specify air purity classes for different contaminants in compressed air systems, may be applicable.

d) Automotive Industry: The automotive industry may have regulations and standards related to the use of compressed air in manufacturing processes, such as painting or pneumatic tools. These regulations often focus on worker safety, product quality, and environmental compliance.

It’s important for organizations in these industries to be aware of and comply with the relevant regulations governing the use of screw compressors. Compliance helps ensure the safety of workers, product quality, environmental protection, and overall regulatory compliance.

It’s worth noting that regulations may vary by country and region, so it’s essential to consult the specific regulations applicable to the industry and location where the screw compressors are being used.

air compressor

What Is a Screw Compressor?

A screw compressor is a type of positive displacement compressor that operates based on the principle of rotary motion. Here’s a detailed explanation:

Working Principle:

A screw compressor consists of two helical rotors, typically called male and female rotors, that rotate in opposite directions within a housing. The rotors have specially designed profiles that interlock with each other, creating a series of compression chambers as they rotate. As the rotors rotate, the volume of these chambers decreases, compressing the air or gas trapped inside.

Compression Process:

As the air or gas enters the screw compressor, it gets trapped between the rotors’ lobes or threads. As the rotors continue to rotate, the trapped air or gas is carried along the length of the rotors and gradually compressed. The compression occurs continuously and smoothly as the air or gas moves from the suction side to the discharge side of the compressor. The interlocking rotors ensure a continuous flow of compressed air or gas without pulsation.

Oil-Injected and Oil-Free Variants:

Screw compressors are available in both oil-injected and oil-free variants. In oil-injected screw compressors, a small amount of lubricating oil is injected into the compression chamber to provide lubrication, cooling, and sealing between the rotors. The oil also helps in reducing friction and minimizing wear. Oil-injected screw compressors are commonly used in various industrial applications where a small amount of oil in the compressed air is acceptable.

On the other hand, oil-free screw compressors are designed to operate without the need for oil lubrication. These compressors use specialized rotor coatings, such as PTFE (polytetrafluoroethylene) or other non-stick materials, to reduce friction and prevent the need for oil. Oil-free screw compressors are often favored in applications where oil-free and contaminant-free compressed air is essential, such as in food and beverage, pharmaceutical, and electronics industries.

Applications:

Screw compressors are widely used in various industries for a range of applications. They are commonly employed in manufacturing plants, refineries, power generation facilities, and other industrial settings to supply compressed air or gas for pneumatic tools, process equipment, air conditioning systems, and more. The ability of screw compressors to deliver a continuous flow of compressed air or gas makes them suitable for applications that require a steady and reliable source of compressed air.

Advantages:

Screw compressors offer several advantages compared to other types of compressors. They provide high efficiency and can deliver a large volume of compressed air or gas. The continuous compression process results in smooth operation with minimal pulsation. Additionally, screw compressors are known for their compact design, low vibration levels, and relatively quiet operation.

In summary, a screw compressor is a rotary positive displacement compressor that uses interlocking helical rotors to compress air or gas. It operates based on a continuous compression process and is available in both oil-injected and oil-free variants. Screw compressors find widespread use in various industries for applications that require a reliable source of compressed air or gas.

China high quality Mini Quiet 1 Phase 220/230/240V 8 Bar~10 Bar 4 Kw 5.5 HP 360L/Min Tank Mounted Pm VSD Rotary Screw Air Compressor for Automobile Spray Painting   air compressor partsChina high quality Mini Quiet 1 Phase 220/230/240V 8 Bar~10 Bar 4 Kw 5.5 HP 360L/Min Tank Mounted Pm VSD Rotary Screw Air Compressor for Automobile Spray Painting   air compressor parts
editor by CX 2024-02-14

China OEM 15 Bar 16 Bar All-in-One 4-in-1 Pm VSD Rotary Screw Air Compressors with Refrigerant Air Dryer/Air Receiver Tank/Line Air Filter for Fiber Laser Cutting Machine 12v air compressor

Product Description

16BAR ALL-IN-ONE OIL INJECTED ROTARY SCREW AIR COMPRESSOR WITH AIR TANK, AIR DRYER, AND AIR FILTERS (PM VSD)

Product Parameters

 

Product Description

Hot Sale Products

 

 

 

            2~10bar Oil-injected                        7~16bar All-in-1                       Small Single-phase
       Screw Air Compressor                   Screw Air Compressor                 Screw Air Compressor  

 

          2~40bar 100% Oil-free                   8~12bar 100% Oil-free                Diesel Engine Portable
       Screw Air Compressor                   Scroll Air Compressor                 Screw Air Compressor  

 

Contact Us

 

Main Product

 

What we can supply:

* Oil-injected Screw Air Compressor (2~16 bar)
* All-in-1 Screw Air Compressor with Tank, Dryer, and Filters (7~16 bar)
* Single-phase Small Screw Air Compressor for Home use (8~10 bar)
* Water-injected Oil-free Screw Air Compressor (2~40 bar)
* Oil-free Scroll Air Compressor (8~12 bar)
* Diesel&Electric Engine Portable Screw Air Compressor (8~30 bar)
* Air Dryer, Air tank, Filters, and other Spare parts

/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

After-sales Service: 24*7 Online Services and Video Guide
Warranty: 1 Year for The Whole Machine & 2 Years for Airend
Lubrication Style: Lubricated
Cooling System: Air Cooling
Power Source: AC Power
Installation Type: Stationary Type
Customization:
Available

|

air compressor

How Does Variable Speed Control Work in Screw Compressors?

Variable speed control in screw compressors is a technology that allows the compressor’s rotational speed to be adjusted according to the compressed air or gas demand. This control method offers several benefits in terms of energy efficiency and system performance. Here’s a detailed explanation:

Variable speed control, also known as variable frequency drive (VFD) or inverter control, works by adjusting the speed of the compressor’s drive motor. The drive motor is typically an electric motor that powers the rotation of the compressor’s screw rotors.

The key components and operation of variable speed control in screw compressors are as follows:

  • 1. Drive Motor: The drive motor is connected to the compressor’s screw rotors and provides the rotational power required for compression. It is an electric motor capable of operating at variable speeds.
  • 2. Inverter or Variable Frequency Drive (VFD): The inverter or VFD is an electronic device that controls the speed of the drive motor. It converts the incoming electrical power into adjustable frequency and voltage, allowing precise control of the motor’s rotational speed.
  • 3. Control System: The control system of the screw compressor monitors and adjusts the speed of the drive motor based on the compressed air or gas demand. It receives input signals from sensors that measure parameters such as pressure, flow rate, or system demand, and sends corresponding signals to the inverter or VFD to regulate the motor speed.
  • 4. Speed Adjustment: When the demand for compressed air or gas decreases, the control system reduces the motor speed by decreasing the frequency and voltage supplied by the inverter or VFD. This results in a lower rotational speed of the screw rotors, reducing the compression capacity and power consumption of the compressor.
  • 5. Energy Efficiency: Variable speed control allows the compressor to match the output to the actual demand, avoiding energy wastage associated with constant-speed compressors. By operating at lower speeds during periods of lower demand, energy consumption can be significantly reduced. This energy-saving capability is particularly advantageous in applications with varying air or gas requirements.
  • 6. Smooth Operation: Variable speed control enables smooth and gradual motor acceleration and deceleration, minimizing mechanical stress on the compressor components and reducing the likelihood of sudden pressure surges or system shutdowns.
  • 7. System Stability: By adjusting the compressor’s speed to match the demand, variable speed control helps maintain stable system pressure and prevents excessive cycling of the compressor. This contributes to improved system performance and longevity.

It’s worth noting that variable speed control is more commonly found in larger screw compressors used in industrial and commercial applications. Smaller screw compressors may utilize fixed-speed motors due to cost considerations or simpler system requirements.

Overall, variable speed control in screw compressors offers precise capacity modulation, improved energy efficiency, enhanced system stability, and reduced maintenance requirements, making it a preferred choice in many applications where compressed air or gas demand fluctuates.

air compressor

Are There Regulations Governing the Use of Screw Compressors in Certain Industries?

Yes, there are regulations governing the use of screw compressors in certain industries. Here’s a detailed explanation:

1. Occupational Safety and Health Administration (OSHA):

In the United States, OSHA sets standards and regulations to ensure the safety and health of workers. While OSHA does not have specific regulations solely focused on screw compressors, they have general requirements that apply to compressed air systems, including screw compressors. These requirements cover aspects such as electrical safety, guarding of moving parts, and proper maintenance practices to ensure worker safety.

2. Environmental Protection Agency (EPA):

The EPA in the United States regulates air emissions to protect the environment and public health. While screw compressors themselves are not directly regulated, if the compressed air is used in processes that emit pollutants, such as in industrial manufacturing, the EPA may have regulations that apply to those specific industries or processes.

3. Industry-Specific Regulations:

Certain industries have specific regulations that govern the use of screw compressors or compressed air systems. These regulations are often aimed at ensuring product quality, safety, and environmental compliance. Some examples include:

a) Food and Beverage Industry: The food and beverage industry often has strict regulations to ensure product safety and prevent contamination. Compressed air used in processes such as packaging, conveying, or powering equipment may need to meet specific quality standards, such as those established by the Food and Drug Administration (FDA) or the Global Food Safety Initiative (GFSI).

b) Pharmaceutical Industry: The pharmaceutical industry has stringent regulations to ensure product quality, safety, and compliance with Good Manufacturing Practices (GMP). Compressed air used in pharmaceutical manufacturing processes must meet specific standards, such as those outlined in the United States Pharmacopeia (USP) or the European Pharmacopoeia (Ph. Eur.).

c) Electronics Industry: The electronics industry often requires clean and dry compressed air to prevent damage to sensitive electronic components. Standards such as ISO 8573, which specify air purity classes for different contaminants in compressed air systems, may be applicable.

d) Automotive Industry: The automotive industry may have regulations and standards related to the use of compressed air in manufacturing processes, such as painting or pneumatic tools. These regulations often focus on worker safety, product quality, and environmental compliance.

It’s important for organizations in these industries to be aware of and comply with the relevant regulations governing the use of screw compressors. Compliance helps ensure the safety of workers, product quality, environmental protection, and overall regulatory compliance.

It’s worth noting that regulations may vary by country and region, so it’s essential to consult the specific regulations applicable to the industry and location where the screw compressors are being used.

air compressor

What Is the Efficiency of Screw Compressors?

The efficiency of screw compressors can vary depending on various factors, including the design, operating conditions, and maintenance. Here’s a detailed explanation of the efficiency of screw compressors:

1. Isothermal Efficiency:

Isothermal efficiency refers to the ideal efficiency of a compressor operating under isothermal conditions. In reality, screw compressors experience temperature rise during compression, and therefore, they do not achieve isothermal efficiency. The compression process in screw compressors is considered to be relatively close to isothermal compared to other compressor types, such as reciprocating compressors. This is due to the continuous and smooth flow of air or gas through the compression chamber, which helps in minimizing temperature differences.

2. Adiabatic Efficiency:

Adiabatic efficiency refers to the actual efficiency of a compressor, taking into account the heat generated during compression. Screw compressors typically have higher adiabatic efficiency compared to reciprocating compressors. The helical design of the rotors and the presence of intermeshing lobes allow for efficient compression with minimal energy loss. The adiabatic efficiency of a screw compressor can be influenced by factors such as the compression ratio, rotational speed, and discharge pressure.

3. Overall Efficiency:

The overall efficiency of a screw compressor takes into account various factors, including mechanical losses, power consumption, and auxiliary power requirements. Mechanical losses can occur due to friction between the rotors, bearings, and other moving parts. Well-maintained screw compressors with properly lubricated components and well-aligned rotors can minimize mechanical losses and improve overall efficiency. Power consumption is another factor affecting efficiency, and it can vary depending on the size, design, and operating conditions of the compressor.

4. Energy Efficiency:

Energy efficiency is an important aspect of screw compressors. It relates to the ability of the compressor to convert electrical energy into compressed air with minimal energy waste. Energy-efficient screw compressors are designed to optimize the compression process, reduce power consumption, and maximize output for a given input. Variable Speed Drive (VSD) screw compressors, for example, can adjust the rotational speed to match the compressed air demand, resulting in improved energy efficiency and significant energy savings.

It’s important to note that the efficiency of screw compressors can vary depending on the specific model, design features, and operating conditions. Regular maintenance, including proper lubrication, cleaning, and component inspection, is crucial for maintaining high efficiency levels. Additionally, selecting the right size and type of screw compressor for the intended application is essential to achieve optimal efficiency and performance.

In summary, screw compressors are known for their relatively high efficiency compared to other compressor types. While they may not achieve perfect isothermal efficiency, their adiabatic efficiency, overall efficiency, and energy efficiency make them suitable for a wide range of industrial applications.

China OEM 15 Bar 16 Bar All-in-One 4-in-1 Pm VSD Rotary Screw Air Compressors with Refrigerant Air Dryer/Air Receiver Tank/Line Air Filter for Fiber Laser Cutting Machine   12v air compressorChina OEM 15 Bar 16 Bar All-in-One 4-in-1 Pm VSD Rotary Screw Air Compressors with Refrigerant Air Dryer/Air Receiver Tank/Line Air Filter for Fiber Laser Cutting Machine   12v air compressor
editor by CX 2024-02-12

China Standard 10HP-150HP 8/10/12/13/16/30 Bar Industrial Heavy Duty Permanent Magnet Single Rotary Screw Air Compressor Price for Mining China CE & IP55 Motor air compressor price

Product Description

Product description of Y-air 10HP-150HP 8/10/12/13/16/30 Bar Industrial heavy duty Permanent magnet single rotary screw  air compressor

Brief Introduction:
Air end: German Technology. 30 years designed lifetime.
Motor: 100% rare earth permanent magnet motor. 
Inverter: Chinese No. 1 inverter can save 30% energy.
Warranty: 5 years for the air end, and 2 years for the whole compressor. 
Delivery time: 7-15 days. 
After-sales service:we have our professional after-sales technician to instruct the installation of the whole screw air compressor.    
We offer free pipe and valves for installation and installation diagram
Advantages
1. Imported top-grade main machine, as the third generation product of state-of -the art brand the world, with asymmetrical 5:6 tooth rotor, is provided with outstanding performance and high efficiency far beyond other similar-type brand.
2. Full-intellectual control system and LCD screen, with self-diagnosis and protection devices, remote control and multi-host interlocking control, realizing unattended and high-tech operation.
3. Y series three-phase asynchronous motor special for compressor, imported World famous brand bearing, F-level insulation, IP54 especially suitable for long-term use, safe and reliable.
4 .Imported oil filter, oil gas separation filter element, ternary separation, ensure oil content less than 0.001ppm, the trunk adopts metal pipe, safe for long -term operation without leakage or deformation, the V type drive belt is imported from Germany, and has a service life more than10000hous.
5.Air volume auto intelligent control, auto shutdown after over long idle run, ensure over 30% of energy saving.
6.Valve-free oil system design, achieving a safer and more reliable operation of the whole machine, main machine adopts imported special compressor oil, reducing leakage inside and outside the compressor, improving efficiency of main machine and prolonging service life.

Porduct detail of Y-air 10HP-150HP 8/10/12/13/16/30 Bar Industrial heavy duty Permanent magnet single rotary screw  air compressor
Technical Specifications  of Y-air 10HP-150HP 8/10/12/13/16/30 Bar Industrial heavy duty Permanent magnet single rotary screw  air compressor

 

Model Air Flow (m³/min) Motor Power Noise Outlet Diameter Dimension Weight
7bar 8bar 10bar 13bar kw dB inch W*D*H  (mm) kg
YP-10A 1.1 1.0 0.85 0.7 7.5 65 G1” 960*680*960 280
YP-15A 1.8 1.65 1.5 1.3 11 65 G1” 1050*830*1240 380
YP-20A 2.4 2.2 2.1 1.8 15 68 G1” 1050*830*1240 380
YP-25A 3.1 3.0 2.7 2.3 18.5 68 G1” 1200*830*1290 480
YP-30A 3.8 3.6 3.2 2.5 22 68 G1” 1200*830*1290 480
YP-40A 5.3 5.0 4.3 3.6 30 69 G11/2” 1300*1000*1540 710
YP-50A 6.6 6.2 5.7 4.6 37 69 G11/2” 1300*1000*1540 710
YP-60A 8.0 7.7 6.9 6.0 45 70 G11/2” 1500*1160*1700 990
YP-75A 10.5 9.8 8.7 7.3 55 70 G11/2” 1500*1160*1700 990
YP-100A 13.6 13.0 11.3 10.1 75 72 G2” 1700*1180*1800 1300
YP-125A 16.2 15.4 13.2 11.2 90 72 DN50 1850*1200*1900 1400
YP-150A 20.8 19.5 16.5 13.7 110 73 DN65 2250*1260*2055 1560
Remarks:
1. working ambinent temperature: -5ºC-45ºC;
2. exhausting air temperature ≤  working ambinent temperature +10ºC-15ºC;
3. starting mode: Y-△;
4. exhausting oil content: <3ppm;
 5. certificate:  CE/ISO9001/ASME; 
 6. voltage:  380V/220V/400V/440V/415V 

Our Factory:
1. Starting from 2001;
2. With 8,000sq CHINAMFG workshop;
3. With 6 production lines; 
4. 500pcs production capacity per month.

QC Checking of Y-air 10HP-150HP 8/10/12/13/16/30 Bar Industrial heavy duty Permanent magnet single rotary screw  air compressor
Pre-factory quality control process:
1. Installation inspection of the whole air compressor: check and confirm the whole machine according to the operation instructions and quality control standards. Main inspection items: 1.2. Confirm the nose and motor nameplates;3. Check whether there is oil leakage in the pipeline and oil circuit of the air compressor;4, the air compressor machine screw locking inspection..
2, air compressor factory test machine, heat engine: test whether the air compressor operation parameters meet the requirements of customers, including voltage, current, working pressure, exhaust volume, etc.Air compressor factory before 48 hours of thermal test, stability confirmation.
3,24 hours online after-sales service, one-to-1 online guidance installation, debugging, troubleshooting.

Our screw air compressors are currently exported to 132 countries and regions around the world. The machine runs stably and reliably, and is highly praised and evaluated by customers.
1. Screw air compressor packaging is divided into 3 layers from inside to outside:
1) The first layer of protection: spray paint on the surface of the machine to protect the surface of the machine. The fouling pull film is wrapped around the surface of the machine to protect the surface of the paint.
2) The second layer of protection: anti-collision protection of the machine. On the basis of lacquer protection, anti-collision buffer cotton is used to protect the machine against collision.
3) The third layer of protection: the case adopts the overall packaging of the non-fumigation wooden case to protect the machine during transportation.

F.A.Q
Q1. Why do customers choose us?
Yunshun Electric Machinery Co., Ltd. is a company specializing in screw air compressor for 18 years since 2001. Our German Standard production line helps us get the affirmation from our agents as well as end-user clients.

Q2. Are you a manufacturer or trading company?
We are a professional manufacturer with big modern factory in HangZhou,China.
Both OEM & ODM service can be accepted.

Q3. What’s your delivery time?
Generally 7-10 days, if urgent order, we can arrange, too.

Q4. How long is your air compressor warranty?
2 year for the whole machine and 5years for screw air end, except consumable spare parts.

 Q5. How long could your air compressor be used for? 
At least 10 years.

Q6. What’s payment term?
T/T, L/C, Western Union, Credit Card, and etc.

Q7. How about your customer service?
24 hours on-line service for all our clients.

Q8. How about your after-sales service?
1. Providing customers with installation online instructions.
2. Well-trained engineers available to overseas service.
3. PlHangZhou for oversea after-sales supporting company.

 

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Lubrication Style: Lubricated
Cooling System: Air Cooling
Power Source: AC Power
Cylinder Position: Vertical
Structure Type: Closed Type
Installation Type: Stationary Type
Customization:
Available

|

air compressor

Are There Portable Screw Compressors Available?

Yes, portable screw compressors are available in the market to cater to various applications that require mobility and flexibility. Here’s a detailed explanation:

Portable screw compressors are compact and designed for easy transportation, allowing them to be used in different locations as needed. They offer the advantage of providing compressed air or gas on-site without the need for a fixed installation.

These compressors are typically designed with features that make them suitable for portable applications. Some key characteristics of portable screw compressors include:

  • 1. Compact and Lightweight Design: Portable screw compressors are designed to be lightweight and compact, making them easy to transport and maneuver. They are often mounted on wheels or skids for enhanced mobility.
  • 2. Durability and Robustness: Portable compressors are built to withstand the rigors of transportation and on-site use. They are constructed with sturdy materials and reinforced components to ensure durability in various working environments.
  • 3. Engine-Powered: Many portable screw compressors are powered by internal combustion engines, such as gasoline or diesel. This eliminates the need for a fixed power source, allowing them to be used in remote locations or areas without access to electricity.
  • 4. Integrated Controls and Safety Features: Portable compressors are equipped with user-friendly controls and safety features for easy operation and protection. These may include start/stop controls, pressure regulation systems, temperature monitoring, and safety shutdown mechanisms.
  • 5. Noise and Vibration Reduction: Portable screw compressors often incorporate noise and vibration reduction technologies to minimize their operational noise levels and vibrations. This helps maintain a comfortable and safe working environment.
  • 6. Versatility in Application: Portable screw compressors are designed to accommodate a wide range of applications. They can be used for construction projects, road repairs, mining operations, oil and gas exploration, emergency air supply, and other portable compressed air or gas requirements.

The capacity and performance of portable screw compressors can vary, ranging from smaller units suitable for light-duty tasks to larger compressors capable of delivering higher volumes and pressures for heavy-duty applications.

When selecting a portable screw compressor, it’s important to consider factors such as the required air or gas flow rate, operating pressure, power source availability, environmental conditions, and specific application needs. Consulting with manufacturers or suppliers can help in choosing the most suitable portable screw compressor for a particular use case.

air compressor

How Do Screw Compressors Contribute to Energy Savings?

Screw compressors offer several features and advantages that contribute to energy savings. Here’s a detailed explanation:

1. Efficient Compression Process:

Screw compressors are known for their efficiency in compressing air or gas. They use a unique rotary screw design, where two intermeshing screws rotate to compress the air. This design provides continuous and smooth compression, resulting in less energy loss compared to other compression technologies, such as reciprocating compressors. The efficient compression process of screw compressors helps reduce energy consumption.

2. Load and Unload Operation:

Screw compressors often incorporate load and unload operation, also known as capacity control. This feature allows the compressor to match its output to the actual demand for compressed air. During periods of lower demand, the compressor unloads by disengaging some of its capacity. This reduces power consumption since the compressor is not operating at full load continuously. By adjusting the compressor’s output to match the required air flow, load and unload operation helps save energy.

3. Variable Speed Drive (VSD) Technology:

Many screw compressors are equipped with Variable Speed Drive (VSD) technology. A VSD allows the compressor’s motor speed to be adjusted according to the demand for compressed air. By running the compressor at lower speeds during periods of lower demand, the energy consumption can be significantly reduced. The VSD technology enables precise control over the compressor’s output, resulting in energy savings and improved efficiency.

4. Air Leakage Reduction:

A common source of energy loss in compressed air systems is air leakage. Screw compressors are designed to minimize air leakage through improved sealing mechanisms and enhanced construction materials. By reducing air leakage, the compressor can operate more efficiently, as less energy is wasted in compressing air that escapes before reaching the intended point of use. Regular maintenance and monitoring practices help identify and address air leakage issues, further contributing to energy savings.

5. Integrated Energy Recovery:

In certain applications, screw compressors can be configured to recover and utilize the heat generated during the compression process. This recovered heat can be used for various purposes, such as space heating, preheating process air or water, or powering other thermal processes. By utilizing the recovered heat energy, screw compressors enhance overall energy efficiency and reduce the need for additional heating systems.

6. System Optimization and Controls:

Screw compressors often feature advanced control systems that optimize their operation for energy efficiency. These control systems monitor various parameters, such as system pressure, air demand, and temperature, and adjust the compressor’s operation accordingly. By continuously analyzing the system requirements and making intelligent adjustments, the control systems help minimize energy waste and maintain optimal performance.

7. Maintenance and Proper Operation:

Regular maintenance and proper operation of screw compressors are essential for maximizing energy savings. Routine maintenance activities, such as cleaning air filters, checking lubrication levels, and inspecting and repairing leaks, ensure the compressor operates at peak efficiency. Additionally, proper operation practices, such as avoiding excessive idling or overloading, contribute to energy savings and prolong the compressor’s lifespan.

In summary, screw compressors contribute to energy savings through their efficient compression process, load and unload operation, variable speed drive technology, air leakage reduction, integrated energy recovery, system optimization, and proper maintenance and operation. By utilizing these features and implementing energy-conscious practices, industries can significantly reduce energy consumption and lower operating costs in compressed air systems.

air compressor

What Is a Screw Compressor?

A screw compressor is a type of positive displacement compressor that operates based on the principle of rotary motion. Here’s a detailed explanation:

Working Principle:

A screw compressor consists of two helical rotors, typically called male and female rotors, that rotate in opposite directions within a housing. The rotors have specially designed profiles that interlock with each other, creating a series of compression chambers as they rotate. As the rotors rotate, the volume of these chambers decreases, compressing the air or gas trapped inside.

Compression Process:

As the air or gas enters the screw compressor, it gets trapped between the rotors’ lobes or threads. As the rotors continue to rotate, the trapped air or gas is carried along the length of the rotors and gradually compressed. The compression occurs continuously and smoothly as the air or gas moves from the suction side to the discharge side of the compressor. The interlocking rotors ensure a continuous flow of compressed air or gas without pulsation.

Oil-Injected and Oil-Free Variants:

Screw compressors are available in both oil-injected and oil-free variants. In oil-injected screw compressors, a small amount of lubricating oil is injected into the compression chamber to provide lubrication, cooling, and sealing between the rotors. The oil also helps in reducing friction and minimizing wear. Oil-injected screw compressors are commonly used in various industrial applications where a small amount of oil in the compressed air is acceptable.

On the other hand, oil-free screw compressors are designed to operate without the need for oil lubrication. These compressors use specialized rotor coatings, such as PTFE (polytetrafluoroethylene) or other non-stick materials, to reduce friction and prevent the need for oil. Oil-free screw compressors are often favored in applications where oil-free and contaminant-free compressed air is essential, such as in food and beverage, pharmaceutical, and electronics industries.

Applications:

Screw compressors are widely used in various industries for a range of applications. They are commonly employed in manufacturing plants, refineries, power generation facilities, and other industrial settings to supply compressed air or gas for pneumatic tools, process equipment, air conditioning systems, and more. The ability of screw compressors to deliver a continuous flow of compressed air or gas makes them suitable for applications that require a steady and reliable source of compressed air.

Advantages:

Screw compressors offer several advantages compared to other types of compressors. They provide high efficiency and can deliver a large volume of compressed air or gas. The continuous compression process results in smooth operation with minimal pulsation. Additionally, screw compressors are known for their compact design, low vibration levels, and relatively quiet operation.

In summary, a screw compressor is a rotary positive displacement compressor that uses interlocking helical rotors to compress air or gas. It operates based on a continuous compression process and is available in both oil-injected and oil-free variants. Screw compressors find widespread use in various industries for applications that require a reliable source of compressed air or gas.

China Standard 10HP-150HP 8/10/12/13/16/30 Bar Industrial Heavy Duty Permanent Magnet Single Rotary Screw Air Compressor Price for Mining China CE & IP55 Motor   air compressor priceChina Standard 10HP-150HP 8/10/12/13/16/30 Bar Industrial Heavy Duty Permanent Magnet Single Rotary Screw Air Compressor Price for Mining China CE & IP55 Motor   air compressor price
editor by CX 2024-02-04

China Custom CHINAMFG S85D 228kw 22 Bar Diesel Engine Screw Air Compressors for Water Well portable air compressor

Product Description

 

Atlas Copco Air Compressor of Xrvs1100 Is 30/27m3 Per Min 20/25 Bar for Water Well Drilling Rig

US $45,000.00

1   Set

US $44,800.00

2   Sets

US $44,500.00

3+   Sets

Atlas Copco Xavs236 Air Compressor with CHINAMFG Engine 14bar 14.3m3/Min From HangZhou Factory Best Quality Lowest Price for Sale

US $22,600.00

1   Set

US $22,300.00

2   Sets

US $22,000.00

3+   Sets

Liutech Luy270-10 Water Drill Truck with Compressor 10 Bar Air Compressor 955 Cfm 242 Kw Copressor Air Compressor

US $46,153.84

1   Set

US $45,918.84

2   Sets

US $45,688.84

3+   Sets

D CHINAMFG Luy050-7 Diesel Engine Portable Mining CHINAMFG Air Compressor Suppliers

US $8,500.00

1   Piece

US $8,250.00

2   Pieces

US $8,000.00

3+   Pieces

D CHINAMFG Air Compressor Piston Type 4 HP 3.0kw 360L/Min 13cfm Reciprocating Compressor Double Piston Air Compressor 
 US $500.00-2,200.00 / Set
Hg400-13 CHINAMFG Engine Tier Ll 2 Wheels Screw Air Compressor for Drilling Rig
 

US $13,500.00

1   Set

US $13,450.00

2   Sets

US $13,400.00

3+   Sets

Kaishan Kscy Series Kscy400-14.5 Diesel Engine Portable Screw Air Compressor
 

US $9,000.00

1-2   Sets

US $8,800.00

3+   Sets

Screw Compressor Air Filter CHINAMFG Compressor Spare Parts

 

US $43.00

1-9   Pieces

US $35.00

10-14   Pieces

US $27.00

15+   Pieces

Model S60 S85 S95CD S98D S100D S120D S125D
Compressor            
Nominal volume flow m³/min 18 24 29 30 31 37 35
Rated exhaust pressure bar 18 22 24 24 25 27 30
Compressor of Stage 1 2 2 2 2 2 2
Screw Oil Capacity(L) 80 85 90 90 120 120 120
Diesel Engine              
Manufacturer YUCHAI 
YC6J220-T300
YUCHAI
YC6L310-H300
YUCHAI
YC6MK400-H300
YUCHAI
YC6MK400-H300
XICHAI
CA6DM2-42GA31
YUCHAI
YC6K560-KT31
CUMMINS
QSZ13-C550-30
Rated Power KW 162 228 295 295 309 412 410
Fuel Tank Capacity (L) 220 380 420 420 420 600 600
Whole Machine              
The unit weight 3000kg 3560 4700 4700 4700 5820 5820
Length*Width*Height 3220*1670*
2000
3560*1830*
2050
3950*2000*
2300
3950*2000*
2300
3960*2000*
2000
4220*2000*
2300
4220*2000*
2300
Exhaust Valve            
Exhaust Valve (inch) G1, G1 1/2 G1-1/2,G2 G1-1/2″ ,G2-1/2″ G1-1/2″ ,G2-1/2″ G1-1/2″ ,G2-1/2″ G1-1/2″ ,G2-1/2″ G1-1/2″ ,G2-1/2″

The series of products are designed for Wells and geothermal projects requiring Φ115-254mm Wells drilling Rigs

and related compressed gas stations.
On the premise of adhering to the excellent characteristics of mobile air compressor,

the series of products have been upgraded and optimized for the characteristics of

continuous use and transportation size requirements. The products are more durable and lower fuel consumption.

 

 

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After-sales Service: Video Technical Support, Online Support, Spare PAR
Warranty: 1 Year
Lubrication Style: Lubricated
Cooling System: Air Cooling
Power Source: Diesel Engine
Cylinder Position: /
Customization:
Available

|

air compressor

What Industries Commonly Use Screw Compressors?

Screw compressors are widely used in various industries due to their efficiency, reliability, and versatility. Here’s a detailed overview of the industries that commonly utilize screw compressors:

  • 1. Manufacturing: Screw compressors find extensive use in manufacturing industries such as automotive, aerospace, electronics, and appliances. They are employed for applications such as powering pneumatic tools, operating production lines, providing compressed air for painting, and controlling automated processes.
  • 2. Oil and Gas: The oil and gas industry extensively utilizes screw compressors for various purposes. They are employed in upstream operations for natural gas gathering, gas lift systems, and wellhead compression. In downstream operations, screw compressors are used in refining processes, gas transmission, and storage facilities.
  • 3. Chemical and Petrochemical: Screw compressors play a crucial role in chemical and petrochemical industries. They are used for compressing gases in chemical reactions, providing instrument air for control systems, powering pneumatic conveying systems, and handling various process gases in refining and production processes.
  • 4. Food and Beverage: Screw compressors are employed in the food and beverage industry for applications such as refrigeration, freezing, and air supply for packaging processes. They help maintain optimal temperature and humidity conditions, ensuring the quality and safety of food and beverage products.
  • 5. Pharmaceutical and Healthcare: Screw compressors are utilized in pharmaceutical manufacturing facilities, research laboratories, and healthcare institutions. They provide clean, oil-free compressed air for critical processes, such as pharmaceutical production, medical device manufacturing, and laboratory analysis. High-quality compressed air is essential to meet stringent quality and regulatory standards in these industries.
  • 6. Power Generation: Screw compressors find applications in power generation facilities, including gas turbine power plants, combined heat and power (CHP) systems, and cogeneration plants. They are used for inlet air compression, fuel gas boosting, and other compressed air requirements in power generation processes.
  • 7. Construction and Mining: Screw compressors are widely used in construction and mining industries for powering pneumatic tools, drilling equipment, and material handling systems. They provide the necessary compressed air for efficient and reliable operation in demanding construction and mining environments.
  • 8. Municipal and Wastewater Treatment: Screw compressors are utilized in municipal water treatment and wastewater treatment plants. They play a vital role in aeration processes, where compressed air is introduced into water or wastewater to promote biological treatment and ensure effective removal of contaminants.
  • 9. Printing and Packaging: Screw compressors are employed in printing and packaging industries for applications such as air drying, air cushioning, and powering pneumatic systems in printing presses and packaging machinery. They ensure consistent and reliable compressed air supply for efficient production processes.
  • 10. Automotive and Transportation: Screw compressors are used in automotive and transportation industries for applications such as air conditioning systems in vehicles, pneumatic braking systems, and compressed air supply for tire inflation and maintenance.

These are just a few examples, and screw compressors find applications in numerous other industries, including textiles, plastics, pulp and paper, steel and metal fabrication, electronics manufacturing, and more. The versatility and reliability of screw compressors make them a popular choice across a wide range of industrial sectors.

air compressor

Can Screw Compressors Be Used for Medical Air Supply?

Yes, screw compressors can be used for medical air supply. Here’s a detailed explanation:

Screw compressors are commonly employed in various applications, including medical air supply systems. Medical air is a critical utility in healthcare facilities, used for various purposes such as respiratory therapy, anesthesia, and surgical tools. Here are some key points to consider:

1. Reliability and Efficiency:

Screw compressors are known for their reliability and efficiency. They can provide a continuous and reliable source of compressed air, ensuring a stable supply for medical applications. The rotary screw design allows for smooth and efficient compression, minimizing energy consumption and maximizing system performance.

2. Oil-Free Operation:

In medical applications, it is crucial to ensure the purity of the compressed air. Screw compressors can be designed and certified to provide oil-free air, eliminating the risk of oil contamination in the medical air supply. Oil-free screw compressors incorporate specialized sealing systems and filtration to prevent oil carryover, making them suitable for medical air applications.

3. Air Quality Standards:

Medical air must meet specific air quality standards to ensure patient safety and treatment effectiveness. Standards such as the European Pharmacopoeia (Ph. Eur.) or the United States Pharmacopeia (USP) define the required purity levels for medical air, including limits on particulate matter, moisture content, and microbial contamination. Screw compressors can be equipped with appropriate filtration and purification systems to meet these standards.

4. Integrated Drying and Filtration:

Some screw compressors designed for medical air applications incorporate integrated drying and filtration systems. These systems remove moisture and contaminants from the compressed air, ensuring it meets the required quality standards. Integrated drying systems can include refrigerated dryers, desiccant dryers, or membrane dryers, depending on the specific needs of the medical air supply system.

5. Redundancy and Backup Systems:

Medical air supply systems often require a high level of reliability and continuity. Screw compressors can be configured with redundancy and backup systems to ensure uninterrupted supply. Multiple compressors can be installed in parallel, with automatic switching mechanisms to maintain supply in case of a compressor failure or maintenance activities.

6. Monitoring and Alarms:

Modern screw compressors used in medical air supply systems often feature advanced monitoring capabilities. They can continuously monitor and record key parameters such as pressure, temperature, and system performance. Alarms and alerts can be configured to notify operators or maintenance personnel in case of abnormal conditions or potential issues with the compressor.

7. Compliance with Standards and Regulations:

When using screw compressors for medical air supply, it is essential to comply with relevant standards and regulations. These may include medical device regulations, electrical safety standards, and guidelines specific to medical gas systems. Compliance ensures that the medical air supply system meets the necessary safety and quality requirements.

In summary, screw compressors can be used for medical air supply, providing reliable and efficient compressed air for various medical applications. With their reliability, oil-free operation, adherence to air quality standards, integrated drying and filtration capabilities, and the ability to incorporate redundancy and monitoring features, screw compressors are well-suited for medical air supply systems in healthcare facilities.

air compressor

What Is the Efficiency of Screw Compressors?

The efficiency of screw compressors can vary depending on various factors, including the design, operating conditions, and maintenance. Here’s a detailed explanation of the efficiency of screw compressors:

1. Isothermal Efficiency:

Isothermal efficiency refers to the ideal efficiency of a compressor operating under isothermal conditions. In reality, screw compressors experience temperature rise during compression, and therefore, they do not achieve isothermal efficiency. The compression process in screw compressors is considered to be relatively close to isothermal compared to other compressor types, such as reciprocating compressors. This is due to the continuous and smooth flow of air or gas through the compression chamber, which helps in minimizing temperature differences.

2. Adiabatic Efficiency:

Adiabatic efficiency refers to the actual efficiency of a compressor, taking into account the heat generated during compression. Screw compressors typically have higher adiabatic efficiency compared to reciprocating compressors. The helical design of the rotors and the presence of intermeshing lobes allow for efficient compression with minimal energy loss. The adiabatic efficiency of a screw compressor can be influenced by factors such as the compression ratio, rotational speed, and discharge pressure.

3. Overall Efficiency:

The overall efficiency of a screw compressor takes into account various factors, including mechanical losses, power consumption, and auxiliary power requirements. Mechanical losses can occur due to friction between the rotors, bearings, and other moving parts. Well-maintained screw compressors with properly lubricated components and well-aligned rotors can minimize mechanical losses and improve overall efficiency. Power consumption is another factor affecting efficiency, and it can vary depending on the size, design, and operating conditions of the compressor.

4. Energy Efficiency:

Energy efficiency is an important aspect of screw compressors. It relates to the ability of the compressor to convert electrical energy into compressed air with minimal energy waste. Energy-efficient screw compressors are designed to optimize the compression process, reduce power consumption, and maximize output for a given input. Variable Speed Drive (VSD) screw compressors, for example, can adjust the rotational speed to match the compressed air demand, resulting in improved energy efficiency and significant energy savings.

It’s important to note that the efficiency of screw compressors can vary depending on the specific model, design features, and operating conditions. Regular maintenance, including proper lubrication, cleaning, and component inspection, is crucial for maintaining high efficiency levels. Additionally, selecting the right size and type of screw compressor for the intended application is essential to achieve optimal efficiency and performance.

In summary, screw compressors are known for their relatively high efficiency compared to other compressor types. While they may not achieve perfect isothermal efficiency, their adiabatic efficiency, overall efficiency, and energy efficiency make them suitable for a wide range of industrial applications.

China Custom CHINAMFG S85D 228kw 22 Bar Diesel Engine Screw Air Compressors for Water Well   portable air compressorChina Custom CHINAMFG S85D 228kw 22 Bar Diesel Engine Screw Air Compressors for Water Well   portable air compressor
editor by CX 2024-01-18

China factory High Pressure 30 Bar-40 Bar Oil-Free Pm VSD Two-Stage Rotary Screw Air Compressor for Pet Bottle Blowing Industry arb air compressor

Product Description

2~40bar DIRECT-DRIVE  WATER-INJECTED OIL-FREE  SCREW AIR COMPRESSOR (PM VSD)
 

1. Low temperature means more efficiency
With an exceptionally low running temperature of less than 60ºC, near isothermal compression is achieved. 
The superior cooling capability of water removes the heat and gives more air per kW of power.
This also eliminates the need for an internal cooler and aftercooler, the associated power consumption reduces pressure drop to a minimum.

2. Cutting the maintenance cost
Spare parts only need air filter elements and water filter elements
Low operating temperature ensures the long service life of the screw air end, avoiding expensive maintenance costs for the screw rotor.
Low temperature reduces the stress on other components ensuring long life.

3. Avoiding the costs of extra energy to combat pressure drop
These costs, although not apparent at the time of purchase, are very high and contribute substantially to the total cost of ownership.

4. No Gearbox  No need for associated oil lubrication.

5. Simple structure 
Fewer moving parts than the dry oil-free screw air compressor, meaning there is less to go wrong, 
while balance bearing loads extend the compression element service life for low-cost operation. 

 

Product Parameters

 

 

Product Description

 

Company Profile

 

 

Hot Sale Products

 

 

 

            2~10bar Oil-injected                        7~16bar All-in-1                       Small Single-phase
       Screw Air Compressor                   Screw Air Compressor                 Screw Air Compressor  

 

          2~40bar 100% Oil-free                   8~12bar 100% Oil-free                Diesel Engine Portable
       Screw Air Compressor                   Scroll Air Compressor                 Screw Air Compressor  

 

 

Main Product

 

What we can supply:

* Oil-injected Screw Air Compressor (2~16 bar)
* All-in-1 Screw Air Compressor with Tank, Dryer, and Filters (7~16 bar)
* Single-phase Small Screw Air Compressor for Home use (8~10 bar)
* Water-injected Oil-free Screw Air Compressor (2~40 bar)
* Oil-free Scroll Air Compressor (8~12 bar)
* Diesel&Electric Engine Portable Screw Air Compressor (8~30 bar)
* Air Dryer, Air tank, Filters, and other Spare parts

 

/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

After-sales Service: 24*7 Online Services and Video Guide
Warranty: 1 Year for The Whole Machine & 2 Years for Air End
Lubrication Style: Oil-free
Cooling System: Air Cooling
Power Source: AC Power
Installation Type: Stationary Type
Customization:
Available

|

air compressor

Are There Portable Screw Compressors Available?

Yes, portable screw compressors are available in the market to cater to various applications that require mobility and flexibility. Here’s a detailed explanation:

Portable screw compressors are compact and designed for easy transportation, allowing them to be used in different locations as needed. They offer the advantage of providing compressed air or gas on-site without the need for a fixed installation.

These compressors are typically designed with features that make them suitable for portable applications. Some key characteristics of portable screw compressors include:

  • 1. Compact and Lightweight Design: Portable screw compressors are designed to be lightweight and compact, making them easy to transport and maneuver. They are often mounted on wheels or skids for enhanced mobility.
  • 2. Durability and Robustness: Portable compressors are built to withstand the rigors of transportation and on-site use. They are constructed with sturdy materials and reinforced components to ensure durability in various working environments.
  • 3. Engine-Powered: Many portable screw compressors are powered by internal combustion engines, such as gasoline or diesel. This eliminates the need for a fixed power source, allowing them to be used in remote locations or areas without access to electricity.
  • 4. Integrated Controls and Safety Features: Portable compressors are equipped with user-friendly controls and safety features for easy operation and protection. These may include start/stop controls, pressure regulation systems, temperature monitoring, and safety shutdown mechanisms.
  • 5. Noise and Vibration Reduction: Portable screw compressors often incorporate noise and vibration reduction technologies to minimize their operational noise levels and vibrations. This helps maintain a comfortable and safe working environment.
  • 6. Versatility in Application: Portable screw compressors are designed to accommodate a wide range of applications. They can be used for construction projects, road repairs, mining operations, oil and gas exploration, emergency air supply, and other portable compressed air or gas requirements.

The capacity and performance of portable screw compressors can vary, ranging from smaller units suitable for light-duty tasks to larger compressors capable of delivering higher volumes and pressures for heavy-duty applications.

When selecting a portable screw compressor, it’s important to consider factors such as the required air or gas flow rate, operating pressure, power source availability, environmental conditions, and specific application needs. Consulting with manufacturers or suppliers can help in choosing the most suitable portable screw compressor for a particular use case.

air compressor

What Is the Impact of Ambient Temperature on Screw Compressor Performance?

Ambient temperature has a significant impact on the performance of screw compressors. Here’s a detailed explanation:

Screw compressors, like other types of compressors, rely on the surrounding environment to dissipate heat and maintain optimal operating conditions. The ambient temperature directly affects the compressor’s efficiency, capacity, power consumption, and overall performance.

Here are the key ways in which ambient temperature influences screw compressor performance:

1. Cooling Efficiency:

The cooling efficiency of a screw compressor is affected by the temperature difference between the compressed gas and the ambient air. As the ambient temperature increases, the temperature difference decreases, making it more challenging to transfer heat effectively. This can lead to higher discharge temperatures and reduced cooling efficiency, potentially impacting the compressor’s overall capacity and performance.

2. Capacity and Power Consumption:

Higher ambient temperatures can decrease the capacity of a screw compressor. Compressors are typically designed and rated based on specific operating conditions, including a defined ambient temperature range. When the ambient temperature exceeds the design limits, the compressor may experience reduced volumetric efficiency, resulting in a decrease in its overall capacity. Additionally, the compressor may require more power to maintain the desired pressure levels, leading to increased power consumption.

3. Heat Recovery:

In some applications, screw compressors are equipped with heat recovery systems to utilize the waste heat generated during compression. The effectiveness of heat recovery is influenced by the ambient temperature. Higher ambient temperatures can reduce the temperature differential available for heat exchange, limiting the potential for heat recovery and decreasing the overall system efficiency.

4. Lubrication and Cooling:

Screw compressors rely on lubrication systems to reduce friction and prevent wear between moving parts. The ambient temperature affects the performance of the lubricant. In high ambient temperatures, the lubricant may experience decreased viscosity, potentially leading to inadequate lubrication and increased wear on compressor components. Similarly, the cooling system of the compressor, including fans and heat exchangers, may be less effective in higher ambient temperatures, impacting the compressor’s ability to dissipate heat.

5. Operating Envelope:

Screw compressors have specified operating envelopes, which define the acceptable range of operating conditions, including ambient temperature. Operating the compressor outside its designed ambient temperature range can result in reduced reliability, increased maintenance requirements, and potential system failures. It is crucial to adhere to the manufacturer’s guidelines and ensure that the compressor operates within the recommended ambient temperature limits.

6. Control and Protection:

Modern screw compressors often feature advanced control and protection systems that monitor various parameters, including ambient temperature. These systems may adjust compressor operation, such as modulation of capacity or cooling strategies, to optimize performance and protect the compressor from operating outside safe limits. Understanding the impact of ambient temperature allows for appropriate adjustments and settings to maintain reliable and efficient compressor operation.

It’s important to note that different compressor models and manufacturers may have specific performance characteristics and operating limits. Therefore, consulting the manufacturer’s documentation and guidelines for the particular screw compressor in use is essential.

In summary, ambient temperature significantly affects the performance of screw compressors. Higher ambient temperatures can reduce cooling efficiency, decrease compressor capacity, increase power consumption, and impact lubrication and cooling systems. Adhering to recommended operating conditions and considering ambient temperature limitations are crucial for ensuring optimal performance, reliability, and longevity of screw compressors.

air compressor

Are There Different Types of Screw Compressors?

Yes, there are different types of screw compressors available, catering to various application requirements. Here’s an overview of the main types:

1. Oil-Injected Screw Compressors:

Oil-injected screw compressors, also known as lubricated screw compressors, are the most common type. These compressors require the injection of a small amount of lubricating oil into the compression chamber. The oil serves multiple purposes, including lubrication, cooling, sealing, and reducing friction between the rotors. Oil-injected screw compressors are widely used in industrial applications where a small amount of oil in the compressed air is acceptable.

2. Oil-Free Screw Compressors:

Oil-free screw compressors are designed to operate without the need for oil lubrication. These compressors incorporate specialized rotor coatings, such as PTFE (polytetrafluoroethylene) or other non-stick materials, to reduce friction and eliminate the need for oil. Oil-free screw compressors are preferred in applications that require oil-free and contaminant-free compressed air. Industries like food and beverage, pharmaceuticals, electronics, and others often rely on oil-free screw compressors to ensure the purity of the compressed air.

3. Variable Speed Drive (VSD) Screw Compressors:

VSD screw compressors, also known as variable frequency drive (VFD) screw compressors, are equipped with a variable speed drive system. This system allows the compressor to adjust the rotational speed of the motor and, consequently, the speed of the screw rotors. By varying the speed, VSD screw compressors can closely match the compressed air or gas demand, resulting in energy savings and improved efficiency. VSD screw compressors are particularly beneficial in applications with varying air demand, as they can adapt their output accordingly.

4. Two-Stage Screw Compressors:

Two-stage screw compressors consist of two sets of rotors arranged in series. The first stage compresses the air or gas to an intermediate pressure, and the second stage further compresses it to the desired final pressure. Two-stage screw compressors are commonly used in applications that require higher discharge pressures. By dividing the compression into two stages, these compressors can achieve higher efficiency and improved performance in high-pressure applications.

5. Water-Injected Screw Compressors:

Water-injected screw compressors, also known as liquid-injected screw compressors, utilize water or a water-glycol mixture as a sealing and cooling medium. The water injection helps in sealing the compression chamber and reduces the discharge temperature, enhancing the compressor’s efficiency. Water-injected screw compressors are often used in applications where oil contamination is a concern, such as in the pharmaceutical and food processing industries.

Each type of screw compressor has its own advantages and is suitable for specific applications. The choice of the screw compressor type depends on factors such as the desired level of air purity, the need for oil-free operation, energy efficiency requirements, and the operating conditions of the application.

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editor by CX 2024-01-11