Tag Archives: compressor air silent

China Professional Kompresor Ajri Part Oil Piston Oilless Screw Silent Oil Free Portable Used Industrial Mini Dental Free Rotary AC Air Pump Compressor wholesaler

Product Description

Scope of application:
Using for Pushing Pneumatic Nail Gun, Air Screw , Spray Painting Gun to work, also use to miniature instrument, blowing dust, Air inflation for small car and so on.
Product  Feature:

  1. High Power, high efficiency, low energy, high reliability.
  2. Piston Ring: New ECO circle, low friction coefficient, Auto lubricating system.
  3. Cylinder Liner: Surface hardening, deplete hardness, Accelerate the heat transfer, long using time.
  4. Suction and exhaust valve: Using advanced foreign technology.
  5. Multiple Pressure: Overload protection

 

 

 

 

 

 Oilless Air Compressor Featuers:
1.Super Silent
Super low noise.The output air pressure is stable without fluctuations, reducing noise pollution.
   
     2. Safety
 
If the voltage or current cause the machine  overheat, it will automatically shut down to protect  from burnout.
 
    3. Automatic control

 Pressure switch automatically controls the start and stop of the machine.
   
   4. Adjustable air pressure
The air pressure can be adjusted to meet the needs of different equipment usage.

   5. Save human power
 
Switch on the air compressor can work normally & automatically. It is easy to operate and does not need human to be on duty.
 
 6. Easy maintenance
No need to add any lubricant, easy maintenance after purchase. 

Parts Features
1.Heavy cast iron body: heavy load, long stroke, low fuel consumption, low noise

2.Cylinder: made of high-grade cast iron, strength, good lubricity, wall by the fine honing, wear-resistant, durable

3.Piston ring: good elasticity, excellent wear resistance, low oil consumption, not easy to make the valve group carbon deposition and loss of oil to burn the crankshaft and connecting rod.

4.The crankshaft, connecting rod, piston: well balanced, wear resistance, high strength, smooth running balance.

5.High reliable and durable valve; strong aluminum alloy body, light and heat.

6.The motor provides reliable power, low voltage start up and running performance strong fan cooled motor and body; special shock proof design.

7.Double nozzles, were used to direct the exhaust and pressure exhaust; pressure switch with push button, safe and convenient

8.Oil free,silent,protect-environment,suitable for dental use.
 

Frequency Asked Question

1.Are you the manufacturer or trading company?
We are the manufacturer.

2.Where is your factory?
It is located in HangZhou City,ZHangZhoug Province,China.

3.What’s the terms of trade?
FOB,CFR,CIF or EXW are all acceptable.

4.What’s the terms of payment?
T/T,L/C at sight or cash.

5.What’s the lead time?

In 15 days on receipt of deposit .

6.Do you accept sample order?
Yes,we accept.

7.What about the cost of sample?
 You have to pay the freight charge.But the cost of product could be refundable,if you will purchase 1x20GP container in the future.

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Lubrication Style: Oil-free
Cooling System: Air Cooling
Cylinder Arrangement: Duplex Arrangement
Cylinder Position: Vertical
Structure Type: Open Type
Compress Level: Multistage
Samples:
US$ 330/Piece
1 Piece(Min.Order)

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Request Sample

Customization:
Available

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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

Can Screw Compressors Be Used in Industrial Applications?

Yes, screw compressors are widely used in industrial applications and are well-suited for various industrial processes. Here’s a detailed explanation:

1. Manufacturing and Assembly:

Screw compressors find extensive use in manufacturing and assembly processes. They provide a reliable source of compressed air for powering pneumatic tools, such as drills, impact wrenches, and spray guns. Compressed air is also used for operating pneumatic cylinders and valves, facilitating automation and control in industrial production lines.

2. Industrial Automation:

In industrial automation systems, screw compressors play a crucial role in providing compressed air for actuating control valves, operating robotic arms, and powering pneumatic actuators. The continuous and reliable supply of compressed air from screw compressors ensures the smooth operation of automated machinery and equipment.

3. HVAC Systems:

Screw compressors are commonly used in large-scale heating, ventilation, and air conditioning (HVAC) systems. They are employed in chillers, which cool water or air for air conditioning and refrigeration purposes. Screw compressors in HVAC systems offer high energy efficiency, making them cost-effective and environmentally friendly options for large commercial and industrial buildings.

4. Food and Beverage Industry:

The food and beverage industry relies on screw compressors for various applications. They are used for providing compressed air in food processing and packaging operations, such as pneumatic conveying, filling, labeling, and sealing. Screw compressors used in this industry are often of the oil-free type to ensure air purity and prevent contamination of food products.

5. Pharmaceuticals and Healthcare:

In the pharmaceutical and healthcare sectors, screw compressors are vital for critical applications. They provide clean and oil-free compressed air required for pharmaceutical manufacturing processes, including tablet coating, fermentation, lyophilization, and cleanroom operations. Screw compressors with strict air quality standards, such as oil-free and contaminant-free options, are commonly used in these industries.

6. Energy and Power Generation:

Screw compressors play a significant role in energy and power generation facilities. They are used for processes such as gas compression, pneumatic conveying of coal and biomass, and control air supply in power plants. Screw compressors in these applications are designed to handle high pressures and large volumes of gas.

7. Mining and Construction:

In mining and construction industries, screw compressors are employed for various tasks. They power pneumatic tools and equipment used in drilling, rock blasting, material handling, and construction activities. Screw compressors are valued for their reliability, continuous operation, and ability to withstand harsh operating conditions.

8. Oil and Gas Industry:

The oil and gas industry extensively uses screw compressors for gas compression and processing. Screw compressors are employed in natural gas pipelines, gas processing plants, and refineries. They handle the compression of gases, such as natural gas, hydrogen, and process gases, ensuring efficient transportation and refining operations.

These are just a few examples of the industrial applications where screw compressors are commonly used. Their high efficiency, continuous operation, compact design, and capacity flexibility make them well-suited for a wide range of industrial processes and systems.

China Professional Kompresor Ajri Part Oil Piston Oilless Screw Silent Oil Free Portable Used Industrial Mini Dental Free Rotary AC Air Pump Compressor   wholesaler China Professional Kompresor Ajri Part Oil Piston Oilless Screw Silent Oil Free Portable Used Industrial Mini Dental Free Rotary AC Air Pump Compressor   wholesaler
editor by CX 2024-05-14

China Standard Zay-10 7.5kw Silent Small Inverter Screw Air Compressor air compressor repair near me

Product Description

ZAY-10 7.5kw silent  small inverter screw air compressor 

1. Energy saving and environmental protection.
2. Intelligent Internet of Things
3. Powerful
4. Mute and low noise
5. Efficient and stable

air compressor
compressor
industrial equipment & components
compressors
screw compressor
air compressor spare part
oilless air compressors
screw air compressor machine 15 hp15 hp
air purification system
underground metal detector

ZAKF air compressor belongs to the general equipment category, and is widely used in steel, electric power, metallurgy, shipbuilding, electronics, textile, mining, chemical, petroleum, light industry, paper printing, machinery manufacturing, food and medicine, transportation facilities, casting spraying, and shipping terminals , Automotive industry,  technology, aerospace, infrastructure and other fields

1.ZAKF is 1 of the brand of HangZhou City CHINAMFG Compressor Part Co.,Ltd.
2.our comany was built in 2000, we produce and sell  AKOKEN oil seal and bush firstly. it’s our first business.
3.From 2002, we produce other screw air compressor  parts, like air filter , oil filter , oil separator, intake valve, solenoid valve,air oil cooler…etc.
4.until 2016, we strat to bulid new factory in HangZhou city,ZheJiang province. Brand is “ZAKF”.
5.We sell air compressor and spare parts to all over the world. 
6.our advantage is  screw air compressor  and spare parts.
7.we  have 19 years history.
8.we have good team and good service
thanks for choose us.
9.we are compressor manufacturing co.ltd is a professional air compressor research,development and production of large enterprises.
 

Product Brand

ZAKF import advanced technology from Europe, through constant practice and improvement, design a new generation of “ZAKF” air compressor.
Improved quality assurance manual, advanced production process, control management program files comprehensive, standardized, ensuring high quality brand name products “ZAKF”, stable and durable. High quality, intimate service get the praise from users all over the world.

Why use CHINAMFG screw air compressor?

1. Seiko production, durable
The direct connection structure has no loss, the transmission efficiency is 100%, the maintenance cost is low, the disassembly is convenient, and the downtime is greatly saved.
2. Large volume
The displacement is more than 10% higher than the same power piston machine
3. Convenient and easy to use
4. Can work unattended 24 hours a day
5. Wide application
Widely used in various industries
6. Smart design
Microcomputer control system, Chinese and English menu touch
7. Color screen, display 186 functions, easy parameter control
8. Strong stability
9. Under long-term working environment, the displacement and air pressure are stable,
10. No crash, low failure rate.

Where you use?

 
Company Information

Company Profile—–Jiubei

   Jiubei  Industry Co., Ltd was established in 2000.  We are a Hi-Techcompany .
specialized in research, development, manufacture and distribution of Air compressor spare parts.
    Expect produceing air compressor replacement spare parts , we also supply the maintemance of air compressor .
    In 2017, we built screw air compressor factory in HangZhou city, ZheJiang province, it’s the hometown of my boss.
and we get the support from goverment. our first brand is “ZAKF”

    

Our Services
 

      
 
 
 All the compressor parts Quality is guaranteed 1 year
 A full quotation as your required will be offered in 24 hours
Service 24 hours a day ,6 days a week 
Accept your specific order and do everything we can do to meet your requirement                                                    

FAQ
Q1: How can I get the quotation?
A: You can advise us the part number for checking, and we will quote to you soon by email.
 
Q2:What kind of ways for transportation ?
A:In general by air, sea or Express.(like DHL,Fedex,TNT,etc.)
 
Q3:How do I know the quality of productions?
A:We have a strict series of quality control, and we have perfect after service system, which can help you to solve the problem soon
 
Q4: If i want to change model,size,package,etc. How can I do?
A:You can contact us and we will revise according to your requirement
 
Q5:What is the terms of payment ?
A:  L/C, T/T,  Paypal(need 5% paypal fee) in advance.
 
contact me

HongKong CHINAMFG Industry Limited

HangZhou City CHINAMFG Compressor Part Co.,Ltd.

Miss Carrie

 

Tel: 13580987261

          – 769 – 81624099

Web: cnjiubei
 

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Lubrication Style: Lubricated
Cooling System: Air Cooling
Power Source: AC Power
Customization:
Available

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Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

air compressor

What Is the Role of Oil in Lubricated Screw Compressors?

In lubricated screw compressors, oil plays a crucial role in ensuring optimal performance, reliability, and longevity of the compressor. Here’s a detailed explanation of the role of oil in lubricated screw compressors:

Lubrication: One of the primary functions of oil in screw compressors is to provide lubrication to the moving parts, particularly the screw rotors. The oil forms a thin film between the rotors and the compressor housing, reducing friction and wear. This lubrication minimizes mechanical losses and helps maintain efficient operation by reducing energy consumption.

Sealing: Oil also acts as a sealing medium in lubricated screw compressors. The oil film created between the rotors and the compressor housing helps create a seal, preventing air or gas leakage between the high-pressure and low-pressure sides of the compressor. This sealing action is crucial for maintaining the compressors’ efficiency and preventing losses in compression performance.

Cooling: Oil plays a vital role in cooling various components of the screw compressor. As the compressed air or gas is compressed, it generates heat. The oil absorbs a significant amount of this heat and carries it away from the compression chamber. The oil then circulates through the compressor’s oil cooling system, where it dissipates the heat to the surrounding environment or through an oil cooler. Efficient oil cooling helps prevent overheating of the compressor components, ensuring reliable operation and extending the compressor’s lifespan.

Cleaning: The oil in lubricated screw compressors acts as a cleaning agent. It carries away contaminants, such as dirt, dust, and metal particles, that may enter the compressor during operation. The oil passes through filters and separators, removing these impurities and preventing them from accumulating in the compressor’s internal components. Clean oil helps maintain the integrity of the compressor’s internal parts and reduces the risk of damage or malfunctions.

Sealing Element Lubrication: In some lubricated screw compressors, the oil also serves to lubricate the sealing elements, such as the shaft seals or labyrinth seals. Proper lubrication of these seals helps maintain their effectiveness in preventing oil leakage and maintaining the separation between the oil and the compressed air or gas.

Corrosion Protection: Oil in screw compressors often contains additives that provide corrosion protection to the internal components. These additives form a protective layer on the metal surfaces, preventing corrosion caused by moisture or contaminants present in the compressed air or gas. Corrosion prevention helps maintain the compressor’s performance, efficiency, and reliability over time.

It’s important to note that lubricated screw compressors require regular oil monitoring, oil analysis, and oil changes to ensure optimal performance. The oil level, quality, and viscosity should be regularly checked and maintained within the manufacturer’s recommended specifications.

In summary, oil in lubricated screw compressors serves crucial functions such as lubrication, sealing, cooling, cleaning, sealing element lubrication, and corrosion protection. These functions collectively contribute to the efficient and reliable operation of the compressor, extending its service life and minimizing maintenance requirements.

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

How Does a Screw Compressor Work?

A screw compressor operates based on a unique rotary positive displacement principle. Here’s a detailed explanation:

Working Principle:

A screw compressor consists of two helical rotors, typically referred to as 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. The compression chambers gradually reduce in volume as the rotors rotate, compressing the air or gas trapped inside.

Suction Process:

The suction process begins when the rotors start rotating. As they rotate, the helical lobes or threads on the rotors create expanding spaces between them. The expanding spaces draw in the air or gas from the inlet port, allowing it to enter the compression chamber. The suction process continues as the rotors rotate, and the expanding spaces move the air or gas towards the discharge side of the compressor.

Compression Process:

As the air or gas enters the compression chamber, it gets trapped between the interlocking lobes or threads of the rotors. As the rotors continue to rotate, the trapped air or gas is carried along the length of the rotors. The volume of the compression chamber gradually decreases as the lobes or threads of the rotors intermesh, compressing the air or gas. The compression process is continuous and smooth as the air or gas moves from the suction side to the discharge side of the compressor.

Discharge Process:

Once the air or gas reaches the discharge end of the compression chamber, it is pushed towards the outlet port. The compressed air or gas is then released from the compressor through the outlet port to be used for various applications.

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. The oil provides lubrication, cooling, and sealing between the rotors, reducing friction and minimizing wear. The oil-injected variant is commonly used in industrial applications where a small amount of oil in the compressed air is acceptable.

Oil-free screw compressors, on the other hand, 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 eliminate the need for oil. Oil-free screw compressors are preferred in applications that require oil-free and contaminant-free compressed air, such as in the food and beverage, pharmaceutical, and electronics industries.

In summary, a screw compressor works by utilizing interlocking helical rotors to compress air or gas. The rotating rotors draw in the air or gas during the suction process, and as they rotate, the trapped air or gas is compressed within the compression chamber. The compressed air or gas is then discharged from the compressor. Screw compressors are available in oil-injected and oil-free variants, catering to different application requirements.

China Standard Zay-10 7.5kw Silent Small Inverter Screw Air Compressor   air compressor repair near meChina Standard Zay-10 7.5kw Silent Small Inverter Screw Air Compressor   air compressor repair near me
editor by CX 2024-05-07

China Best Sales Energy Saving CHINAMFG Low Noise Silent Weg Ie4 IP55 Motor Air Cooled Stationary Electric CHINAMFG Belt Drive Rotary Screw Air Compressor for General Industry with Hot selling

Product Description

Product Description

ZIQI CHINAMFG Screw Air Compressor Advantages:

A.80% components of CHINAMFG Compressor adopt global well known reliable brand to make sure the air compressor with high quality,durable,energy saving:
1.Core part:Germany GHH RAND screw air end ;
2.Motor:adopt Brazil WEG brand,the second biggest motor manufacturer in the world,IE4 energy saving standard 3 phase induction motor,IP55 protection;
3.Italian EURE oil air vessel ,the lead pressure vessel manufacturer in the world;
4.Italian Manuli oil tube ;
5.French Schneider electric system;
6.Sweden CHINAMFG bearings

Energy saving:
The air compressor equiped the frequency inverter,to make the air compressor with variable speed drive [VSD].The principle of VSD is to adjust the motor rotation speed automatically according to the actual air consumption. The reduced system pressure decreases the total energy consumption of the whole system, which can reduce energy costs by 35% or more.

Technical Parameter

Model Air pressure Max air displacement  Motor power transmission dimension Weight Noise Outlet
cooling type
mpa bar(e)  psi(g)  m3/min  cfm  hp  kw  belt drive 
&
air cooling
L(mm) W(mm) H(mm) Kgs dB(A) mm
GA-3.7A 0.7 7 102 0.55 19 5 3.7  680  660  780  220 60±2  20
0.8 8 116 0.45 16
1 10 145 0.35 12
GA-5.5A 0.7 7 102 0.8 28 7 5.5 680 660 780 230 61±2 20
0.8 8 116 0.7 25
1 10 145 0.6 21
1.3 13 189 0.5 18
GAS-7.5A VFC 0.7 7 102 1.3 46 10 7.5 950 650 915 270 62±2 20
0.8 8 116 1.2 42
1 10 145 1.1 39
1.3 13 189 0.9 32
GAS-11A VFC 0.7 7 102 1.8 64 15 11 950 650 915 280 63±2 20
0.8 8 116 1.7 60
1 10 145 1.5 53
1.3 13 189 1.2 42
GAS-15A VFC 0.7 7 102 2.7 95 20 15 1260 850 1220 540 66±2 25
0.8 8 116 2.5 88
1 10 145 2.3 81
1.3 13 189 2 71
GAS-18.5A VFC 0.7 7 102 3.2 113 25 18.5 1260 850 1220 550 67±2 25
0.8 8 116 3 106
1 10 145 2.8 99
1.3 13 189 2.4 85
GAS-22A VFC 0.7 7 102 3.8 134 30 22 1260 850 1220 560 67±2 25
0.8 8 116 3.6 127
1 10 145 3.2 113
1.3 13 189 2.8 99
GAS-30A VFC 0.7 7 102 5.7 201 40 30 1500 970 1375 780 67±2 40
0.8 8 116 5.5 194
1 10 145 5 177
1.3 13 189 4.5 159
GAS-37A VFC 0.7 7 102 6.8 240 50 37 1500 970 1375 800 68±2 40
0.8 8 116 6.31 222
1 10 145 5.7 201
1.3 13 189 5 177
GAS-45A VFC 0.7 7 102 7.9 279 60 45 1500 970 1375 820 69±2 40
0.8 8 116 7.4 261
1 10 145 6.9 244
1.3 13 189 6.1 215
GAS-55A VFC 0.7 7 102 10.9 385 75 55 direct drive &air cooling or water cooling 2150 1326 1766 1550 69±2 50
0.8 8 116 10.4 367
1 10 145 9.4 332
1.3 13 189 8.6 304
GAS-75A VFC 0.7 7 102 14.5 512 100 75 2150 1326 1766 1600 70±2 50
0.8 8 116 13.8 487
1 10 145 12.6 445
1.3 13 189 11.2 395
GAS-90A VFC 0.7 7 102 17 600 120 90 2545 1450 1900 2500 75±2 65
0.8 8 116 16.5 583
1 10 145 15.2 537
1.3 13 189 14 494

*For other requirements,please contact the salesman.

Company Information

Packaging & Shipping

FAQ

 

Are you manufacturer?
ZIQI: Yes,we are professional air compressor manufacturer over 10 years and our factory located in ZheJiang .
How long is your air compressor warranty?
ZIQI: For 1 year.
Do you provide After- sales service parts?
ZIQI: Of course, We could provide easy- consumable spares.
How long could your air compressor be used?
ZIQI: Generally, more than 10 years.
How about your price?
ZIQI: Based on high quality, Our price is very competitive in this market all over the world.
How about your customer service?
ZIQI: For email, we could reply our customers’ emails within 2 hours.
Do you support OEM?
ZIQI: YES, and we also provide multiple models to select.

How to get quicker quotation?

When you send us inquiry, please confirm below information at the same time:
* What is the air displacement (m3/min,cfm/min)?
* What is the air pressure (mpa,bar,psi)?
* What is the voltage in your factory (v/p/Hz)?
* It is ok if you need air tank, air dryer and filters.
This information is helpful for us to check suitable equipment solution and quotation quickly.

 

Hot Products

VSD Oil-Free Screw Air Compressor Combined Screw Air Compressor Two Stage Screw Air Compressor

 

Contact

Bob Cui | Overseas Sale Manager

ZIQI Compressor(ZheJiang )Co.,Ltd

Add:No.280,Wangwei West Rd.Fengjing Industrial Park,Xihu (West Lake) Dis.n Dist.,ZheJiang ,CN.

 

/* 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: Online Support
Lubrication Style: Lubricated
Cooling System: Air Cooling
Power Source: AC Power
Cylinder Position: Vertical
Customization:
Available

|

air compressor

How Do You Troubleshoot Common Issues with Gas Air Compressors?

Troubleshooting common issues with gas air compressors involves identifying and addressing potential problems that may arise during operation. Here’s a detailed explanation of the troubleshooting process:

1. Start with Safety Precautions:

Prior to troubleshooting, ensure that the gas air compressor is turned off and disconnected from the power source. Follow proper safety procedures, such as wearing appropriate personal protective equipment (PPE), to avoid accidents or injuries.

2. Check Power Supply and Connections:

Verify that the compressor is receiving power and that all electrical connections are secure. Inspect the power cord, plug, and any switches or controls to ensure they are functioning properly. If the compressor is equipped with a battery, check its charge level and connections.

3. Check Fuel Supply:

For gas air compressors that use gasoline or propane, ensure that there is an adequate fuel supply. Check the fuel tank level and verify that the fuel shut-off valve is open. If the compressor has been sitting idle for an extended period, old or stale fuel may cause starting issues. Consider draining and replacing the fuel if necessary.

4. Inspect Air Filters:

Dirty or clogged air filters can restrict airflow and affect the compressor’s performance. Check the intake air filters and clean or replace them as needed. Clogged filters can be cleaned with compressed air or washed with mild detergent and water, depending on the type of filter.

5. Check Oil Level and Quality:

If the gas air compressor has an engine with an oil reservoir, verify the oil level using the dipstick or oil level indicator. Insufficient oil can lead to engine damage or poor performance. Additionally, check the oil quality to ensure it is clean and within the recommended viscosity range. If needed, change the oil following the manufacturer’s guidelines.

6. Inspect Spark Plug:

If the gas air compressor uses a spark plug ignition system, inspect the spark plug for signs of damage or fouling. Clean or replace the spark plug if necessary, following the manufacturer’s recommendations for gap setting and torque.

7. Check Belts and Pulleys:

Inspect the belts and pulleys that drive the compressor pump. Loose or worn belts can cause slippage and affect the compressor’s performance. Tighten or replace any damaged belts, and ensure that the pulleys are properly aligned.

8. Listen for Unusual Noises:

During operation, listen for any unusual or excessive noises, such as grinding, rattling, or squealing sounds. Unusual noises could indicate mechanical issues, loose components, or improper lubrication. If identified, consult the compressor’s manual or contact a qualified technician for further inspection and repair.

9. Consult the Owner’s Manual:

If troubleshooting steps do not resolve the issue, refer to the compressor’s owner’s manual for specific troubleshooting guidance. The manual may provide additional troubleshooting steps, diagnostic charts, or recommended maintenance procedures.

10. Seek Professional Assistance:

If the issue persists or if you are unsure about performing further troubleshooting steps, it is recommended to seek assistance from a qualified technician or contact the manufacturer’s customer support for guidance.

Remember to always prioritize safety and follow proper maintenance practices to prevent issues and ensure the reliable performance of the gas air compressor.

air compressor

Can Gas Air Compressors Be Used for Pneumatic Tools?

Yes, gas air compressors can be used for pneumatic tools. Here’s a detailed explanation:

1. Versatile Power Source:

Gas air compressors, powered by gasoline or diesel engines, provide a portable and versatile power source for operating pneumatic tools. They eliminate the need for electrical power supply, making them suitable for remote locations or construction sites where electricity may not be readily available.

2. High Power Output:

Gas air compressors typically offer higher power output compared to electric compressors of similar size. This high power output enables gas compressors to deliver the necessary air pressure and volume required by pneumatic tools, ensuring optimal tool performance.

3. Mobility and Portability:

Gas air compressors are often designed with mobility and portability in mind. They are compact and equipped with wheels or handles, allowing for easy transportation to different job sites. This mobility is advantageous when using pneumatic tools in various locations or when working in confined spaces.

4. Continuous Operation:

Gas air compressors can provide continuous air supply for pneumatic tools without the need for frequent pauses or recharging. As long as there is an adequate fuel supply, gas compressors can operate for extended periods, allowing uninterrupted use of pneumatic tools for tasks such as drilling, nailing, sanding, or painting.

5. Suitable for High-Demand Applications:

Pneumatic tools used in heavy-duty applications often require a robust air supply to meet their performance requirements. Gas air compressors can generate higher air flow rates and maintain higher operating pressures, making them suitable for high-demand pneumatic tools like jackhammers, impact wrenches, or sandblasters.

6. Flexibility in Compressor Size:

Gas air compressors are available in various sizes and capacities, allowing users to choose the compressor that best matches the air demands of their pneumatic tools. From small portable compressors for light-duty tasks to larger industrial-grade compressors for heavy-duty applications, there is a wide range of options to suit different tool requirements.

7. Reduced Dependency on Electrical Infrastructure:

Using gas air compressors for pneumatic tools reduces reliance on electrical infrastructure. In situations where the electrical power supply is limited, unreliable, or expensive, gas compressors offer a viable alternative, ensuring consistent tool performance without concerns about power availability.

It’s important to note that gas air compressors emit exhaust gases during operation, so proper ventilation is necessary when using them in enclosed spaces to ensure the safety of workers.

In summary, gas air compressors can effectively power pneumatic tools, offering mobility, high power output, continuous operation, and suitability for various applications. They provide a reliable and portable solution for utilizing pneumatic tools in locations where electrical power supply may be limited or unavailable.

air compressor

What Are the Primary Applications of Gas Air Compressors?

Gas air compressors have a wide range of applications across various industries and activities. These compressors, powered by gas engines, provide a portable and versatile source of compressed air. Here’s a detailed explanation of the primary applications of gas air compressors:

1. Construction Industry:

Gas air compressors are extensively used in the construction industry. They power a variety of pneumatic tools and equipment, such as jackhammers, nail guns, impact wrenches, and concrete breakers. The portable nature of gas air compressors makes them ideal for construction sites where electricity may not be readily available or practical to use.

2. Agriculture and Farming:

Gas air compressors find applications in the agricultural sector. They are used to operate air-powered machinery and tools, including pneumatic seeders, sprayers, and agricultural pumps. Gas air compressors provide the necessary power to carry out tasks such as crop seeding, irrigation, and pest control in agricultural settings.

3. Recreational Activities:

Gas air compressors are commonly utilized in recreational activities. They are used to inflate tires, sports balls, inflatable structures, and recreational equipment such as air mattresses, rafts, and inflatable toys. Gas air compressors provide a convenient and portable solution for inflating various recreational items in outdoor settings.

4. Mobile Service Operations:

Gas air compressors are employed in mobile service operations, such as mobile mechanics, tire service providers, and mobile equipment repair services. These compressors power air tools and equipment required for on-site repairs, maintenance, and servicing of vehicles, machinery, and equipment. The mobility of gas air compressors allows service providers to bring their tools and compressed air source directly to the location of the service requirement.

5. Remote Job Sites:

Gas air compressors are well-suited for remote job sites or locations without access to electricity. They are commonly used in industries such as mining, oil and gas exploration, and remote construction projects. Gas air compressors power pneumatic tools, machinery, and drilling equipment in these environments, providing a reliable source of compressed air for operational needs.

6. Emergency and Backup Power:

In emergency situations or during power outages, gas air compressors can serve as a backup power source. They can power essential equipment and systems that rely on compressed air, such as emergency lighting, communication devices, medical equipment, and backup generators. Gas air compressors provide a reliable alternative power solution when electrical power is unavailable or unreliable.

7. Sandblasting and Surface Preparation:

Gas air compressors are used in sandblasting and surface preparation applications. They provide the high-pressure air necessary for propelling abrasive media, such as sand or grit, to remove paint, rust, or other coatings from surfaces. Gas air compressors offer the power and portability required for sandblasting operations in various industries, including automotive, metal fabrication, and industrial maintenance.

8. Off-Road and Outdoor Equipment:

Gas air compressors are commonly integrated into off-road and outdoor equipment, such as off-road vehicles, utility trucks, and recreational vehicles. They power air-operated systems, including air suspension systems, air brakes, air lockers, and air horns. Gas air compressors provide the necessary compressed air for reliable and efficient operation of these systems in rugged and outdoor environments.

Overall, gas air compressors have diverse applications in construction, agriculture, recreational activities, mobile service operations, remote job sites, emergency power backup, sandblasting, and various off-road and outdoor equipment. Their portability, versatility, and reliable power supply make them indispensable tools in numerous industries and activities.

China Best Sales Energy Saving CHINAMFG Low Noise Silent Weg Ie4 IP55 Motor Air Cooled Stationary Electric CHINAMFG Belt Drive Rotary Screw Air Compressor for General Industry   with Hot sellingChina Best Sales Energy Saving CHINAMFG Low Noise Silent Weg Ie4 IP55 Motor Air Cooled Stationary Electric CHINAMFG Belt Drive Rotary Screw Air Compressor for General Industry   with Hot selling
editor by CX 2024-04-26

China supplier 2.2kw 5.5kw 7.5kw 11kw 15kw Germany Technology Industrial Silent Electrical Rotary Screw Air Compressor with Dryer and Tank portable air compressor

Product Description

2.2kw 5.5kw 7.5kw 11kw 15kw Germany Technology Industrial Silent Electrical Rotary Screw Air Compressor with Dryer and Tank

Windbell Electrics is a high-tech company, located in HangZhou National High and New Technology Industries Development Zone, began to manufacturing air compressor from year 2006. In year 2011, CHINAMFG Machinery was registered as an independent subsidiary of CHINAMFG Electrics.

Windbell machinery has responsible employees equipped with 5 0 testing machines working in the plant area of 3200 square meter.
A qualified profile R & D team with experience in developing products with G H H-RAND and ROTORCOMP, has 13 patents granted. The company can produce 4, 0 0 0 air compressor every year.
We believe that without an good quality management system you cannot make good quality products. With I S O 9 0 0 1 ,I S O 1 4 0 0 1 and CE certifications, the company aims to be a CHINAMFG in offering consumers efficient, energy-saving, and environment-friendly solutions in the application of air compressor. Based on its R & D output, the company has successfully applied its solutions to the field of mining, tunneling, outdoor construction and its technology also facilitates the production of medical oxygen generators and textile equipment.

Our electrical stationary air compressor from 7.5-75 kw is equipped with turbo radial fan which is more efficient and quiet .The products are sold to Southeast Asia, South America,Central Asia, Middle East, Africa, and America.
  /* 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: AC Power
Structure Type: Closed Type
Installation Type: Stationary Type
Type: Twin-Screw Compressor
Customization:
Available

|

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

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

How Does a Screw Compressor Work?

A screw compressor operates based on a unique rotary positive displacement principle. Here’s a detailed explanation:

Working Principle:

A screw compressor consists of two helical rotors, typically referred to as 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. The compression chambers gradually reduce in volume as the rotors rotate, compressing the air or gas trapped inside.

Suction Process:

The suction process begins when the rotors start rotating. As they rotate, the helical lobes or threads on the rotors create expanding spaces between them. The expanding spaces draw in the air or gas from the inlet port, allowing it to enter the compression chamber. The suction process continues as the rotors rotate, and the expanding spaces move the air or gas towards the discharge side of the compressor.

Compression Process:

As the air or gas enters the compression chamber, it gets trapped between the interlocking lobes or threads of the rotors. As the rotors continue to rotate, the trapped air or gas is carried along the length of the rotors. The volume of the compression chamber gradually decreases as the lobes or threads of the rotors intermesh, compressing the air or gas. The compression process is continuous and smooth as the air or gas moves from the suction side to the discharge side of the compressor.

Discharge Process:

Once the air or gas reaches the discharge end of the compression chamber, it is pushed towards the outlet port. The compressed air or gas is then released from the compressor through the outlet port to be used for various applications.

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. The oil provides lubrication, cooling, and sealing between the rotors, reducing friction and minimizing wear. The oil-injected variant is commonly used in industrial applications where a small amount of oil in the compressed air is acceptable.

Oil-free screw compressors, on the other hand, 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 eliminate the need for oil. Oil-free screw compressors are preferred in applications that require oil-free and contaminant-free compressed air, such as in the food and beverage, pharmaceutical, and electronics industries.

In summary, a screw compressor works by utilizing interlocking helical rotors to compress air or gas. The rotating rotors draw in the air or gas during the suction process, and as they rotate, the trapped air or gas is compressed within the compression chamber. The compressed air or gas is then discharged from the compressor. Screw compressors are available in oil-injected and oil-free variants, catering to different application requirements.

China supplier 2.2kw 5.5kw 7.5kw 11kw 15kw Germany Technology Industrial Silent Electrical Rotary Screw Air Compressor with Dryer and Tank   portable air compressorChina supplier 2.2kw 5.5kw 7.5kw 11kw 15kw Germany Technology Industrial Silent Electrical Rotary Screw Air Compressor with Dryer and Tank   portable air compressor
editor by CX 2024-04-23

China OEM Electric Silent Oil Free Screw Type 45kw Air Compressor with CHINAMFG for Industrial air compressor for sale

Product Description

Electric silent oil free screw type  45kw air compressor with CHINAMFG for Industrial

 

Product Description

Product features:
  LG-12/2 screw air compressor is mainly used in material conveying, textile industry and other low-pressure gas sector industries, compared with the traditional piston type, pendulum type and other air compressors, with a long continuous operation time, no human care, stable operation, high reliability, low failure rate, low noise advantages, in actual use will bring users a very high economic and environmental benefits.
 
 1, the overall design of air compressor:
LG-12/2 screw air compressor is composed of the bottom frame, which is reasonably arranged and installed: distribution box, motor, screw machine head, hot oil pump, oil cooler, oil and gas separator, protective silencer housing and other components (can be selected according to customers).
2. Control system:
The control system adopts HangZhou MAM880 screw air compressor microcomputer controller, and the main motor is started by star triangle. The whole control system is equipped with temperature sensor, pressure sensor, air intake valve, minimum pressure valve, safety valve, check valve, etc., to achieve the optimal accessories, reasonable configuration, automatic control, smooth operation, safe and reliable.
The main advantage of this type of screw air compressor is that in order to ensure the safe and reliable operation of the screw machine, the design selects the most reliable hot oil pump in China, so that the screw machine can ensure the normal circulation of the system cooling oil at any time!

 

Detailed Photos

 

Product Parameters

Main specifications and technical parameters
(1) Exhaust pressure: 0.2MPa;
(2) Exhaust volume: 12m³/min;
(3) Main motor power: 45kw;
(4) Screw model number: CHINAMFG brand
(5) Work nature: continuous work;
(6) Noise: ≤85dB(A);
(7) Overall size: 2030*1060*1420mm;
(8) Machine weight: 700 kg.

 

 

Company Profile

   Rongheng times (ZheJiang ) International Trade Services Co. , Ltd. is mainly engaged in the Air compressor and special purpose vehicles.
    Air compressor including oil-free lubrication pendulum air compressor and screw air compressor 2 series of more than 20 kinds of products. As a manufacturer of Compressed air systems, the company has always advocated for customized Compressed air solutions and long-term quality services for specific industry applications.
    The leading products of special vehicles are tank-type special vehicles, which include fluid material transport equipment such as concrete mixer, powder material transport vehicles, liquid transport vehicles, and special equipment for sanitation and animal husbandry, at present, the annual production capacity of more than 10,000 units.

Our Advantages

 The products cover 31 provinces, cities and autonomous regions, and export to more than 50 countries and regions.
    Get Quality Products to you faster and better.
 

FAQ

Q1. Do you test all your goods before delivery?
A1: Yes, we have 100% test before delivery
Q2. What is your terms of delivery?
A2: EXW, FOB, CFR, CIF, DDU…As for the payment terms,it depends on the total amount.
Q3. What is the average delivery time?
A3: Usually takes about 10-20 days . The specific delivery time depends on the items and the quantity of your order.
Q4. What is the Payment term?
A4: By T/T before shipment or By L/C at sight.
Q5. During shipping, if there is a damage to products, how do you get replacement?
A5:Firstly, we should investigate the reason cause the damage. At the same time, we will claim for the insurance by ourselves or assist the buyer. Secondly we will send the replacement to the buyer. The responsible person for above damage will take charge of the cost of the replacement.
 

  /* 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: on-Line 7*24h
Warranty: 12 Months
Lubrication Style: Oil-free
Cooling System: Air Cooling
Power Source: AC Power
Cylinder Position: Horizontal
Customization:
Available

|

air compressor

What Is the Noise Level of Screw Compressors?

The noise level of screw compressors can vary depending on several factors, including the compressor’s size, design, operating conditions, and the presence of noise-reducing features. Here’s a detailed explanation:

Screw compressors are known for their relatively low noise levels compared to other types of compressors, such as reciprocating compressors. However, the actual noise level can still vary depending on the specific compressor model and its operating parameters.

The noise level of screw compressors is typically measured in decibels (dB) and can range from around 60 dB to 90 dB or higher. It’s important to note that the noise level is logarithmic, meaning that a small increase in decibel level represents a significant increase in perceived noise intensity.

Several factors can influence the noise level of screw compressors:

  • 1. Compressor Size and Design: Larger screw compressors tend to produce higher noise levels compared to smaller ones. This is because larger compressors generally have more powerful motors and larger rotating components, which can generate more noise. The design of the compressor, including the type of rotor profiles and the presence of noise-reducing features, can also impact the noise level.
  • 2. Operating Conditions: The operating conditions of the compressor, such as the speed of rotation and the discharge pressure, can affect the noise level. Higher speeds and pressures may result in increased noise production. Additionally, the presence of pulsations or vibrations in the system can contribute to noise generation.
  • 3. Sound Insulation and Enclosures: Some screw compressors come with built-in sound insulation or enclosures to reduce noise levels. These features help contain the noise within the compressor unit and minimize the propagation of noise to the surrounding environment. Compressors equipped with sound insulation or enclosures generally have lower noise levels compared to open-frame compressors.
  • 4. Installation and Surrounding Environment: The installation of the compressor and the characteristics of the surrounding environment can influence the perceived noise level. Factors such as the proximity of the compressor to sensitive areas, the presence of sound-absorbing materials, and the layout of the facility can impact the noise propagation and overall noise perception.
  • 5. Maintenance and Wear: Proper maintenance of the compressor, including regular inspection and lubrication of components, can help minimize noise levels. Wear and tear on the compressor’s internal parts can lead to increased noise production, so timely repairs or component replacements are important to maintain optimal performance and minimize noise.

It’s worth noting that noise levels are typically provided by manufacturers as specifications for each compressor model. These specifications can help users select compressors with noise levels that meet their specific requirements or comply with local noise regulations.

In summary, the noise level of screw compressors can range from around 60 dB to 90 dB or higher, depending on factors such as compressor size, design, operating conditions, and the presence of noise-reducing features. Proper installation, maintenance, and the use of sound insulation or enclosures can help minimize noise levels and create a more comfortable and quieter operating environment.

air compressor

How Do You Maintain the Air Quality in a Screw Compressor System?

Maintaining air quality in a screw compressor system is crucial to ensure the performance, efficiency, and reliability of the compressed air. Here’s a detailed explanation:

1. Proper Intake Filtration:

Install high-quality intake filters to prevent contaminants, such as dust, dirt, and debris, from entering the screw compressor system. These filters should have an appropriate filtration rating to effectively capture particles of the desired size. Regularly inspect and clean or replace the intake filters to maintain their effectiveness.

2. Compressed Air Dryers:

Use compressed air dryers, such as refrigerated dryers or desiccant dryers, to remove moisture from the compressed air. Moisture can lead to corrosion, damage to pneumatic equipment, and compromised air quality. The type of dryer selected depends on the specific application requirements and the desired level of moisture removal.

3. Oil Removal Filters:

In oil-injected screw compressors, oil is used for lubrication, which can contaminate the compressed air. Install oil removal filters downstream of the compressor to remove any oil carryover from the compressed air. These filters typically use coalescing technology to separate and trap oil particles, ensuring clean air quality.

4. Condensate Management:

Effectively manage condensate, which is formed when moisture in the compressed air condenses as it cools. Install condensate drains and separators to remove and properly dispose of condensate. Improper condensate management can lead to water contamination in the compressed air system.

5. Regular Maintenance:

Perform regular maintenance tasks as recommended by the manufacturer, including oil changes, filter replacements, and inspections. Proper maintenance helps ensure that the compressor system operates efficiently and minimizes the risk of contaminants entering the compressed air.

6. Air Receiver Tank Maintenance:

If the screw compressor system includes an air receiver tank, regularly inspect and clean the tank to remove any accumulated debris or contaminants. Additionally, ensure that the tank’s drain valve is functioning correctly to remove any water or condensate from the tank.

7. Leak Detection and Repair:

Regularly inspect the compressed air system for leaks. Leaks not only waste energy but also allow contaminants from the surrounding environment to enter the system. Use appropriate leak detection methods, such as ultrasonic detectors or soapy water solutions, to identify and promptly repair any leaks.

8. Monitor and Control Operating Conditions:

Monitor and maintain proper operating conditions within the screw compressor system. This includes monitoring discharge pressure, temperature, and other relevant parameters to ensure they are within acceptable ranges. Implement appropriate control strategies, such as regulating compressor capacity or adjusting dryer settings, to optimize air quality while meeting the specific application requirements.

9. Training and Awareness:

Provide training to operators and maintenance personnel on the importance of air quality in a screw compressor system. Ensure they understand proper maintenance procedures, the significance of filtration, and how to identify and address potential air quality issues.

10. Compliance with Regulations:

Be aware of and comply with relevant regulations and standards governing air quality in your specific industry or application. This may include adherence to guidelines such as ISO 8573, which specifies air purity classes for different contaminants in compressed air systems.

By following these practices, you can maintain the air quality in a screw compressor system, ensuring clean, reliable, and high-quality compressed air for various applications.

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 2024-04-03

China Good quality Best Price 220V Mini Portable 1HP Medical Dental Silent Air Compressor Hot Mini Screw Car Air Compressor Pony Mini Direct Driven Air Compressor air compressor for sale

Product Description

Production Introduction:
This seires air compressor widely used in pneumatuic lock, pneumatic tool, tire inflation,blowing process,spray, paint,sand bklsting and fluidic element. 

1) Filling station can be used for fire brigade divers base inflatable station,

2) mine, oil field chemicals, ship, climbing, water sports center industry for human rescue,

3) fire fighting, rescue, underwater operations breathing gas filling is ideal in rescue equipment.

Detail machine pictures, all photoes are for 100% real shooting !
1, Product Show

2, Specification

 AIR COMPRESSOR

Model NO.

V-0.25/8D-150L

Motor Power

2.2/3/5.5(KW/HP)

Cylinder

 φ 65mmX2  

Speed

980rpm/min 

Tank

    150L/39.6Gal       

Pressure

8Bar/115 CHINAMFG

Capacity

250L/min(8.8CFM)  

Weight

118KG  

Dimension

1300X430X865mm  

3,Detail show

4, feature:

1) Well-designed specifically for small and medium sized users;

2) The operation is simple, convenient, and less prone to failure;

3) Designed for filling the air available for breathing;

4) Guarantee inflatable gas pure health, no the oil tasteless displacement, high-pressure air filling quickly;

5) Practices can be achieved without power, and to facilitate the field work;

6) Small size, light weight, easy to move quickly;

7) Cost-effective, economical and practical.

8, Company Information
HangZhou  CHINAMFG Machinery Co., Ltd is 1 of the large-scale woodworking machinery manufacturer in China. The company is located in Wangtai town. 

Our company is a comprehensive enterprise which is specialized in research and development, design, manufacturing, sale and service. With advanced production equipment and professional technical staff of research and development, and management. Which is formed a unique management model and the standardization of production process. 

The leading products of woodworking products are CNC router, panel saw series, sanding machine series, woodworking drill machine, Pur wrapping machine, paper sticking machine, vacuum laminating machine, edge banding machine, computer engraving machine and the other series and over 60 standards.  With the scientific management, unique technology, and innovative products to meet customer demands. Our products get a very high reputation from our customers at home and abroad.  Our products are sold across the country and to Russia, Ukraine, Middle-East, South Africa, Southeast Asia, Central Europe and the other countries and areas. We have earned the trust of customers and our product process is in the leading level among the same industry of domestic.  It creates a famous brand called “XINLIHUI” and our products sell well both at home and abroad. It is the most trusted brand to our customers. 
We would like to work a new CHINAMFG development with the insight colleagues and we welcome all the new and old friends to visit our company and crest a brilliant tomorrow together.

  /* 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
Cylinder Arrangement: Balanced Opposed Arrangement
Samples:
US$ 140/Piece
1 Piece(Min.Order)

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Order Sample

Customization:
Available

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about shipping cost and estimated delivery time.
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Full Payment
Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

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 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

What Are the Maintenance Requirements for Screw Compressors?

Screw compressors require regular maintenance to ensure optimal performance, reliability, and longevity. Here’s a detailed overview of the maintenance requirements for screw compressors:

  • 1. Lubrication: Screw compressors rely on proper lubrication to reduce friction, minimize wear, and maintain efficient operation. Regular lubrication of the rotor bearings, seals, and other moving parts is essential. The type and frequency of lubrication may vary depending on the compressor’s design and manufacturer’s recommendations.
  • 2. Filter Replacement: Screw compressors have intake filters that prevent dust, debris, and contaminants from entering the compression chamber. These filters need to be inspected regularly and replaced or cleaned as necessary to ensure unrestricted airflow and prevent damage to the compressor components.
  • 3. Cooling System Maintenance: Screw compressors may have cooling systems, such as air or water coolers, to dissipate heat generated during compression. The cooling system should be inspected periodically, and any blockages or leaks should be addressed promptly to maintain optimal cooling efficiency.
  • 4. Inspection of Belts and Couplings: If the screw compressor is belt-driven or connected through couplings, regular inspection of belts, pulleys, and couplings is necessary. Worn or damaged belts should be replaced, and couplings should be checked for alignment and tightness to ensure smooth power transmission.
  • 5. Cleaning of Heat Exchangers: Heat exchangers in screw compressors, such as intercoolers and aftercoolers, can accumulate dirt, scale, and other deposits over time. Regular cleaning of these heat exchangers is important to maintain their heat transfer efficiency and prevent overheating of the compressed air or gas.
  • 6. Inspection of Seals and Gaskets: The seals and gaskets in a screw compressor play a critical role in maintaining proper compression and preventing air or gas leakage. Regular inspection of these components is necessary to detect any signs of wear, damage, or leakage. Faulty seals or gaskets should be replaced promptly to maintain the compressor’s efficiency.
  • 7. Regular Performance Testing: Periodic performance testing of screw compressors is recommended to assess their operating parameters, such as discharge pressure, flow rate, and power consumption. This helps identify any deviations from the expected performance and allows for adjustments or repairs as needed.

It’s important to note that the specific maintenance requirements for screw compressors may vary depending on the compressor’s design, manufacturer’s recommendations, operating conditions, and usage. Consulting the compressor’s manual and following the manufacturer’s guidelines is crucial for maintaining the compressor effectively and ensuring its reliable operation over time.

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editor by CX 2024-03-29

China Good quality 2.2kw 5.5kw 7.5kw 11kw 15kw Germany Technology Industrial Silent Electrical Rotary Screw Air Compressor with Dryer and Tank best air compressor

Product Description

2.2kw 5.5kw 7.5kw 11kw 15kw Germany Technology Industrial Silent Electrical Rotary Screw Air Compressor with Dryer and Tank

CHINAMFG Electrics is a high-tech company, located in HangZhou National High and New Technology Industries Development Zone, began to manufacturing air compressor from year 2006. In year 2011, CHINAMFG Machinery was registered as an independent subsidiary of CHINAMFG Electrics.

CHINAMFG machinery has responsible employees equipped with 5 0 testing machines working in the plant area of 3200 square meter.
A qualified profile R & D team with experience in developing products with G H H-RAND and ROTORCOMP, has 13 patents granted. The company can produce 4, 0 0 0 air compressor every year.
We believe that without an good quality management system you cannot make good quality products. With I S O 9 0 0 1 ,I S O 1 4 0 0 1 and CE certifications, the company aims to be a CHINAMFG in offering consumers efficient, energy-saving, and environment-friendly solutions in the application of air compressor. Based on its R & D output, the company has successfully applied its solutions to the field of mining, tunneling, outdoor construction and its technology also facilitates the production of medical oxygen generators and textile equipment.

Our electrical stationary air compressor from 7.5-75 kw is equipped with turbo radial fan which is more efficient and quiet .The products are sold to Southeast Asia, South America,Central Asia, Middle East, Africa, and America.
  /* 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

Lubrication Style: Lubricated
Cooling System: Air Cooling
Power Source: AC Power
Structure Type: Closed Type
Installation Type: Stationary Type
Type: Twin-Screw Compressor
Customization:
Available

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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 in Food Processing?

Yes, screw compressors can be used in food processing. Here’s a detailed explanation:

Screw compressors are widely employed in various industrial applications, including the food processing industry. They provide a reliable and efficient source of compressed air, which is used for a range of purposes in food processing facilities. Here are some key points to consider:

1. Packaging: Screw compressors are commonly used in food packaging processes. Compressed air is utilized for tasks such as operating pneumatic actuators, controlling packaging machinery, and inflating packaging materials, such as bags and containers.

2. Cleaning and Drying: Compressed air is essential for cleaning and drying applications in the food industry. Screw compressors supply the necessary air pressure for tasks such as blowing off debris, dust, or moisture from food products, packaging surfaces, and production equipment.

3. Pneumatic Conveying: Screw compressors play a crucial role in pneumatic conveying systems used for transporting food products, such as grains, powders, or granules. Compressed air is utilized to create the necessary airflow to move the food materials through pipes or tubes to different processing stages or storage areas.

4. Cooling and Freezing: In food processing, screw compressors are often employed in refrigeration and cooling systems. They provide compressed air for various cooling processes, such as air chilling, blast freezing, or cryogenic freezing, which help maintain the freshness and quality of perishable food products.

5. Air Control and Mixing: Compressed air is utilized for precise air control and mixing applications in food processing. It can be used to control the flow rate, pressure, and temperature of air in mixing processes, such as dough mixing or batter preparation.

6. Cleaning-In-Place (CIP) Systems: CIP systems are widely used in the food industry to clean and sanitize equipment and pipelines. Compressed air is often an integral part of these systems, assisting in the removal of residues and ensuring proper cleaning and hygiene practices.

When using screw compressors in food processing, it is important to consider specific requirements and regulations related to food safety and quality. Here are some key considerations:

a) Food-Grade Lubricants: Ensure that the screw compressor is compatible with food-grade lubricants. Lubricants used in the compressor should be safe for incidental contact with food products and compliant with applicable food safety regulations.

b) Air Purity: Depending on the application, the compressed air may need to meet specific air quality standards to prevent contamination of food products. Standards such as ISO 8573, which define air purity classes for different contaminants, can be referenced to determine the required level of air purity.

c) Maintenance and Cleaning: Implement proper maintenance and cleaning procedures for the screw compressor to prevent any potential contamination risks. Regular inspection, cleaning, and adherence to good manufacturing practices (GMP) are essential to ensure food safety and compliance.

d) Regulatory Compliance: Comply with relevant food safety regulations and guidelines, such as those established by the Food and Drug Administration (FDA) or local regulatory authorities. These regulations may cover various aspects, including equipment design, materials, cleanliness, and hygiene practices.

In summary, screw compressors can be used in food processing for tasks such as packaging, cleaning, pneumatic conveying, cooling, and mixing. However, it is important to consider food safety regulations, use food-grade lubricants, maintain air quality, and follow proper maintenance and cleaning procedures to ensure compliance and protect the integrity of food products.

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.

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editor by CX 2024-02-15

China Professional New Type Stationary Silent 45kw 10bar Oil Injected Screw Air Compressor Price for Drilling Rig with Best Sales

Product Description

New Type Stationary Silent 45kw 10bar Oil Injected Screw Air Compressor Price for Drilling Rig

Catalogue:

WZS- 10AZ 15AZ 20AZ 25AZ 30AZ 50AZ 75AZ 100AZ 125AZ
Air flow/pressure (m³/min/Bar) 1.2/7.5 1.7/7.5 2.4/7.5 3.1/7.5 3.8/7.5 6.4/7.5 10.5/7.5 13.6/7.5 16.3/7.5
1.1/8.5 1.6/8.5 2.2/8.5 2.9/8.5 3.5/8.5 6.1/8.5 9.8/8.5 13.3/8.5 15.0/8.5
0.95/10.5 1.4/10.5 2.0/10.5 2.7/10.5 3.2/10.5 5.7/10.5 8.7/10.5 11.6/10.5 14.6/10.5
0.8/12.5 1.2/12.5 1.7/12.5 2.2/12.5 2.9/12.5 5.1/12.5 7.5/12.5 9.8/12.5 12.3/12.5
Motor Power (kw) 7.5 11 15 18.5 22 37 55 75 90
Horse power (HP) 10 15 20 25 30 50 75 100 125
Dimension Length(mm) 1000 1040 1040 1100 1400 1600 2050 2050 2150
Width (mm) 600 800 800 850 850 1000 1200 1200 1300
Height (mm) 1000 1180 1180 1300 1150 1370 1500 1500 1700
Noise dB(A) 66±2 70±2 70±2 70±2 71±2 74±2 74±2 75±2 75±2
Outlet diameter G3/4 G3/4 G3/4 G11/4 G11/4 G11/2 G2 G2 G2
Weight (kg) 240 400 410 590 620 840 1735 1850 1920

 

WZS- 150AZ/W 180AZ/W 220AZ/W 250AZ/W 300AZ/W 340AZ/W 400AZ/W 480AZ/W 540AZ/W
Air flow/pressure (m³/min/Bar) 20.3/7.5 24.0/7.5 27.0/7.5 32.5/7.5 40.0/7.5 43.5/7.5 50.8/7.5 60.0/7.5 72.0/7.5
19.0/8.5 23.0/8.5 26.5/8.5 31.0/8.5 36.8/8.5 42.0/8.5 48.2/8.5 57.0/8.5 68.0/8.5
17.0/10.5 20.0/10.5 22.5/10.5 28.0/10.5 32.2/10.5 38.8/10.5 42.6/10.5 50.0/10.5 60.5/10.5
14.6/12.5 18.0/12.5 20.1/12.5 25.1/12.5 28.5/12.5 34.6/12.5 39.8/12.5 45.0/12.5 50.5/12.5
Motor Power (kw) 110 132 160 185 220 250 300 350 400
Horse power (HP) 150 180 220 250 300 340 400 480 540
Dimension Length(mm) 2800 2800 2800 2800 2900 2900 4200 4200 4200
Width (mm) 1650 1650 1650 1650 1860 1860 2200 2200 2200
Height (mm) 1850 1850 1850 1850 2000 2000 2150 2150 2150
Noise dB(A) 75±2 75±2 75±2 78±2 78±2 78±2 80±2 82±2 83±2
Outlet diameter DN65 DN65 DN80 DN80 DN100 DN100 DN125 DN125 DN150
Weight (kg) 3030 3130 3210 3470 4500 4600 7000 7500 8100

Before quotation:
1.Before quoting, what should users offer?
1).Discharge pressure (Bar, Mpa or Psi)
2).Air discharge/Air flow/Air capacity (m3/min or CFM)
3).Power supply (220/380V, 50/60Hz, 3Phase)

2.If I don’t know the pressure and air flow, what should I do?
1).Take the picture of nameplate, we will advise the suitable air compressor to you.
2).Tell us what industry you are, we can advise the suitable 1 (so as to air tank / air dryer / air filters).
 

SHIPPING
Delivery: time 5-25 working days after payment receipt confirmed(based on actual quantity)
packing:standard export packing. or customized packing as your
Professional: goods shipping forwarder.

FAQ
Q: OEM/ODM, or customers logo printed is available?
Yes, OEM/ODM, customers logo is welcomed.

Q:  Delivery date?
Usually 5-25 workdays after receiving deposit, specific delivery date based on order quantity

Q: what’s your payment terms?
Regularly doing 30% deposit and 70% balance by T/T, Western Union, Paypal, otherpayment terms also can be discussed based on our cooperation.

Q: How to control your quality?
We have professional QC team, control the quality during the mass production and inspect completely goods before shipping.

Q:  If we don’t have shipping forwarder in China, would you do this for us?
We can offer you best shipping line to ensure you can get the goods timely at best price.

Q: come to China before, can you be my guide in China?
We are happy to provide you orservice, such as booking ticket, pick up at the airport, booking hotel, accompany visiting market or factory
 

After-sales Service: Video Technical Support
Warranty: 1 Year
Lubrication Style: Oil-less
Cooling System: Air Cooling
Power Source: AC Power
Cylinder Position: Vertical
Customization:
Available

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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

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

Can Screw Compressors Handle High-Pressure Applications?

Yes, screw compressors are capable of handling high-pressure applications. Here’s a detailed explanation:

Screw compressors are known for their ability to deliver high-pressure compressed air or gas. The design of screw compressors allows them to achieve higher pressure ratios compared to other types of compressors, such as reciprocating piston compressors.

The compression process in screw compressors is continuous and smooth, which enables them to handle high-pressure requirements efficiently. The intermeshing rotors create compression chambers that gradually reduce in volume, resulting in the compression of air or gas. By adjusting the rotational speed of the rotors and optimizing the design parameters, screw compressors can generate the desired high discharge pressures.

However, it’s important to note that the maximum pressure capability of a screw compressor may vary depending on factors such as:

  • 1. Compressor Design: The design features of the screw compressor, including the rotor profile, sealing mechanism, and cooling system, can influence its maximum pressure capacity.
  • 2. Rotor Size and Speed: The size and rotational speed of the rotors impact the compression ratio and, consequently, the achievable discharge pressure. Larger rotors and higher rotational speeds generally allow for higher pressure ratios.
  • 3. Drive Power: The power of the drive motor connected to the screw compressor affects its ability to handle high-pressure applications. Adequate power is necessary to overcome the resistance and maintain the desired compression ratio.
  • 4. Structural Integrity: The structural integrity and material strength of the compressor housing, rotors, and other components determine the maximum pressure that the compressor can withstand without failure or leakage.

It’s important to select a screw compressor with the appropriate specifications and consult the manufacturer’s guidelines to ensure that it can handle the specific high-pressure requirements of the application.

Additionally, it’s worth noting that high-pressure applications may also require additional equipment, such as pressure vessels or downstream pressure regulators, to safely handle and control the compressed air or gas at the desired pressure levels.

China Professional New Type Stationary Silent 45kw 10bar Oil Injected Screw Air Compressor Price for Drilling Rig   with Best SalesChina Professional New Type Stationary Silent 45kw 10bar Oil Injected Screw Air Compressor Price for Drilling Rig   with Best Sales
editor by CX 2023-11-07

China high quality New Design 1400W Oil Free Silent Air Compressor with Great quality

Product Description

New design, better peformance, it greatly shorten the pumping time and improve the work efficiency, buy it can help you do better work

After-sales Service: Online Suport
Warranty: 1 Year
Lubrication Style: Oil-free
Cooling System: Air Cooling
Cylinder Arrangement: Balanced Opposed Arrangement
Cylinder Position: Vertical
Samples:
US$ 60/pcs
1 pcs(Min.Order)

|
Request Sample

Customization:
Available

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air compressor

How Do You Maintain a Gas Air Compressor?

Maintaining a gas air compressor is essential to ensure its optimal performance, longevity, and safe operation. Regular maintenance helps prevent breakdowns, extends the compressor’s lifespan, and promotes efficient operation. Here are some key maintenance steps for a gas air compressor:

1. Read the Manual:

Before performing any maintenance tasks, thoroughly read the manufacturer’s manual specific to your gas air compressor model. The manual provides important instructions and guidelines for maintenance procedures, including recommended intervals and specific maintenance requirements.

2. Check and Change the Oil:

Gas air compressors typically require regular oil changes to maintain proper lubrication and prevent excessive wear. Check the oil level regularly and change it according to the manufacturer’s recommendations. Use the recommended grade of oil suitable for your compressor model.

3. Inspect and Replace Air Filters:

Inspect the air filters regularly and clean or replace them as needed. Air filters prevent dust, debris, and contaminants from entering the compressor’s internal components. Clogged or dirty filters can restrict airflow and reduce performance. Follow the manufacturer’s guidelines for filter cleaning or replacement.

4. Drain Moisture from the Tank:

Gas air compressors accumulate moisture in the compressed air, which can lead to corrosion and damage to the tank and internal components. Drain the moisture from the tank regularly to prevent excessive moisture buildup. Refer to the manual for instructions on how to properly drain the moisture.

5. Check and Tighten Connections:

Regularly inspect all connections, fittings, and hoses for any signs of leaks or loose connections. Tighten any loose fittings and repair or replace damaged hoses or connectors. Leaks can lead to reduced performance and inefficiency.

6. Inspect Belts and Pulleys:

If your gas air compressor has belts and pulleys, inspect them for wear, tension, and proper alignment. Replace any worn or damaged belts and ensure proper tension to maintain optimal performance.

7. Clean the Exterior and Cooling Fins:

Keep the exterior of the gas air compressor clean from dirt, dust, and debris. Use a soft cloth or brush to clean the surfaces. Additionally, clean the cooling fins regularly to remove any accumulated debris that can impede airflow and cause overheating.

8. Schedule Professional Servicing:

While regular maintenance can be performed by the user, it is also important to schedule professional servicing at recommended intervals. Professional technicians can perform thorough inspections, conduct more complex maintenance tasks, and identify any potential issues that may require attention.

9. Follow Safety Precautions:

When performing maintenance tasks on a gas air compressor, always follow safety precautions outlined in the manual. This may include wearing protective gear, disconnecting the power source, and ensuring proper ventilation in confined spaces.

By following these maintenance steps and adhering to the manufacturer’s guidelines, you can keep your gas air compressor in optimal condition, prolong its lifespan, and ensure safe and efficient operation.

air compressor

Can Gas Air Compressors Be Used for Natural Gas Compression?

Gas air compressors are not typically used for natural gas compression. Here’s a detailed explanation:

1. Different Compressed Gases:

Gas air compressors are specifically designed to compress atmospheric air. They are not typically designed or suitable for compressing natural gas. Natural gas, which is primarily composed of methane, requires specialized compressors designed to handle the unique properties and characteristics of the gas.

2. Safety Considerations:

Natural gas compression involves handling a flammable and potentially hazardous substance. Compressing natural gas requires specialized equipment that meets stringent safety standards to prevent leaks, minimize the risk of ignition or explosion, and ensure the safe handling of the gas. Gas air compressors may not have the necessary safety features or materials to handle natural gas safely.

3. Equipment Compatibility:

Natural gas compression systems typically include components such as gas compressors, gas coolers, separators, and control systems that are specifically designed and engineered for the compression and handling of natural gas. These components are built to withstand the specific demands and conditions associated with natural gas compression, including the high pressures and potential presence of impurities.

4. Efficiency and Performance:

Compressing natural gas requires specialized compressors that can handle the high-pressure ratios and volumetric flow rates associated with the gas. Gas air compressors are generally not designed to achieve the same compression ratios and performance levels required for natural gas compression. Using gas air compressors for natural gas compression would likely result in inefficient operation and suboptimal performance.

5. Regulatory Compliance:

Compressing natural gas is subject to various regulations and standards to ensure safety, environmental protection, and compliance with industry guidelines. These regulations often dictate specific requirements for equipment, materials, and operating procedures in natural gas compression systems. Gas air compressors may not meet these regulatory requirements for natural gas compression.

6. Industry Standards and Practices:

The natural gas industry has well-established standards and best practices for equipment selection, installation, and operation in gas compression systems. These standards are based on the specific requirements and characteristics of natural gas. Gas air compressors do not align with these industry standards and practices, which are essential for safe and efficient natural gas compression.

In summary, gas air compressors are not suitable for natural gas compression. Natural gas compression requires specialized equipment designed to handle the unique properties and safety considerations associated with the gas. Compressors specifically engineered for natural gas compression offer the necessary performance, safety features, and regulatory compliance required for efficient and reliable operation in natural gas compression systems.

air compressor

What Safety Precautions Should Be Taken When Operating Gas Air Compressors?

Operating gas air compressors safely is essential to prevent accidents, injuries, and equipment damage. It’s important to follow proper safety precautions to ensure a safe working environment. Here’s a detailed explanation of the safety precautions that should be taken when operating gas air compressors:

1. Read and Follow the Manufacturer’s Instructions:

Before operating a gas air compressor, carefully read and understand the manufacturer’s instructions, user manual, and safety guidelines. Follow the recommended procedures, maintenance schedules, and any specific instructions provided by the manufacturer.

2. Provide Adequate Ventilation:

Gas air compressors generate exhaust fumes and heat during operation. Ensure that the operating area is well-ventilated to prevent the accumulation of exhaust gases, which can be harmful or even fatal in high concentrations. If operating indoors, use ventilation systems or open windows and doors to allow fresh air circulation.

3. Wear Personal Protective Equipment (PPE):

Wear appropriate personal protective equipment (PPE) when operating a gas air compressor. This may include safety glasses, hearing protection, gloves, and sturdy footwear. PPE helps protect against potential hazards such as flying debris, noise exposure, and hand injuries.

4. Perform Regular Maintenance:

Maintain the gas air compressor according to the manufacturer’s recommendations. Regularly inspect the compressor for any signs of wear, damage, or leaks. Keep the compressor clean and free from debris. Replace worn-out parts and components as needed to ensure safe and efficient operation.

5. Preventive Measures for Fuel Handling:

If the gas air compressor is powered by fuels such as gasoline, diesel, or propane, take appropriate precautions for fuel handling:

  • Store fuel in approved containers and in well-ventilated areas away from ignition sources.
  • Refuel the compressor in a well-ventilated outdoor area, following proper refueling procedures and avoiding spills.
  • Handle fuel with caution, ensuring that there are no fuel leaks or spills near the compressor.
  • Never smoke or use open flames near the compressor or fuel storage areas.

6. Use Proper Electrical Connections:

If the gas air compressor requires electrical power, follow these electrical safety precautions:

  • Ensure that the electrical connections and wiring are properly grounded and in compliance with local electrical codes.
  • Avoid using extension cords unless recommended by the manufacturer.
  • Inspect electrical cords and plugs for damage before use.
  • Do not overload electrical circuits or use improper voltage sources.

7. Secure the Compressor:

Ensure that the gas air compressor is securely positioned and stable during operation. Use appropriate mounting or anchoring methods, especially for portable compressors. This helps prevent tipping, vibrations, and movement that could lead to accidents or injuries.

8. Familiarize Yourself with Emergency Procedures:

Be familiar with emergency procedures and know how to shut off the compressor quickly in case of an emergency or malfunction. Have fire extinguishers readily available and know how to use them effectively. Develop an emergency action plan and communicate it to all personnel working with or around the compressor.

It’s crucial to prioritize safety when operating gas air compressors. By following these safety precautions and using common sense, you can minimize the risks associated with compressor operation and create a safer work environment for yourself and others.

China high quality New Design 1400W Oil Free Silent Air Compressor   with Great qualityChina high quality New Design 1400W Oil Free Silent Air Compressor   with Great quality
editor by CX 2023-11-06

China wholesaler 250kw Variable Speed Drive High Efficiency Silent Industrial Screw Rotary Oil Free Dry Two Stage Air Compressor air compressor for car

Product Description

      

   Specification(VSD series)
  Model Capacity M3/min Power kw Noise level db Weight KG
3.5~10bar Water Cooling  Air Cooling
OFA1VSD OFA15VSD 1.1-3.3 15 74   930
OFA22VSD 4.5-5.6 22 74   1150
OFA30VSD 4-6.6 30 74   1300
OFW37VSD 5-8.4 37 74   1600
OFW45VSD 6.1-11.1 45 74   1750
OFA2VSD OFA55VSD 7.3-9.4 55 74   1900
OFA75VSD 10.7-12.4 75 74   2630
OFA90VSD 12.7-15.4 90 74   2700
OFA3VSD OFA110VSD 16.0-19.5 110 74    
OFA132VSD 18.8-21.8 132 74   4300
OFA160VSD 24.0-29.6 160 74   4300
OFA4VSD OFA200VSD 12.2-36.6 200 74    
OFA250VSD 14.2-41.8 250 74   6950
OFA275VSD 15.8-47.4 275 74    
OFA315VSD 45.0-52.1 315 74   6950
OFA5VSD OFA355VSD 50.4-57.5 355 74    
OFW1VSD OFW37VSD 2-5.9 37 74    
OFW45VSD 2.3-7 45 74    
OFW2VSD OFW55VSD 4.5-8.8 55 74    
OFW75VSD 4.5-13.2 75 74 2170  
OFW90VSD 4.5-15.5 90 74 2220  
OFW3VSD OFW110VSD 6.4-19.1 110 74    
OFW132VSD 7.7-22.4 132 74 3500  
OFW160VSD 14.5-42.9 160 74 3500  
OFW4VSD OFW200VSD 18-36.1 200 74    
OFW250VSD 19.-38.4 250 74 6400  
OFW275VSD 20.0-41.0 275 74    
OFW315VSD 46.0-50.9 315 74 6650  
OFW5VSD OFW355VSD 50.4-56.3 355 74 6950  
OFW400VSD 55.8-62.1 400 74 7060  
OFW450VSD 63.8-76.5 450 74 8400  
OFW500VSD 73.1-83.9 500 74 8400  
OFW630VSD 89.0-102.9 630 74 9125  
OFW750VSD 101.8-122.8 750 74 9225  

Company Profile

       ZheJiang Napu compressor Technology Co.,LTD was established in 2012  based in ZheJiang ,specializing in oil-free rotary screw air compressors, offering a wide range of products from airends to compressors . 
       With over 10 years experience in oil free screw air compressor. NAPU Compressor is compliant with ISO 8573-1, Class 0 standard and audited by TUV Rheinland and China National Quality Inspection Center of Compressor and Refrigerator.   
        The company is also compliant with ISO 9001:14001 and is CHINAMFG in the domestic market for its quality-driven culture. The oil-free compressors manufactured by the company are used in a variety of sectors including some of our valued clients like CASC-China Aerospace Science Corporation, NORINCO-China North Industries Group, CNNC-China National Nuclear Group, CHANG AN AUTO, SINOPHARM, BYD and CALT and Sino-Chemical etc.
         Continuous improvement in productivity and efficiency is our goal, and we continue to offer an extensive services including our own branded oil-free compressor package as well as after-sales services for other leading brands.

 

Product Features

1. In house designed airend
2. 100% oil free air certified by Germany TUV.
3. Double-layer structure to reduce he noise.
4. Air Cooling and Water cooling are available.
5. VSD control are available.
6.Touch Screen PLC with preset running schedule, more intelligent control.
7.OEM&ODM service are accepted

 

FAQ

Q1. Are you trading company or manufacture ?
A: We are professional manufacture of oil free air compressors. More than 20 years of experience in air compressor manufacturing.
 
Q2. What’s payment term ?
A: T/T, Western Union, Paypal, Credit Card, and etc. Also we could accept USD, RMB, Euro and other currency.
 
Q3. How about your after-sales service ?
A: 1.We can provide customers with installation and commissioning online instructions.
   
Q4. How about your warranty?
A: One year for the whole machine and 5 years for screw air end, except consumable spare parts.
 
Q5. Do you have any certificate ?
A: Yes, we can offer CE ,ISO  and certificate as clients’ demande.
 
 
Q6. How do you control quality ?
A: 1. The raw materials are strictly inspected
    2. Each compressor must pass at least 8 hours of continuous testing before leaving the factory.
  
Q7.How long could your air compressor be used?
A: Usually, more than over 10 years.

After-sales Service: Online Support
Warranty: 12 Months
Lubrication Style: Oil-free
Cooling System: Water Cooling
Power Source: AC Power
Cylinder Position: Horizontal
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

How Does a Screw Compressor Work?

A screw compressor operates based on a unique rotary positive displacement principle. Here’s a detailed explanation:

Working Principle:

A screw compressor consists of two helical rotors, typically referred to as 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. The compression chambers gradually reduce in volume as the rotors rotate, compressing the air or gas trapped inside.

Suction Process:

The suction process begins when the rotors start rotating. As they rotate, the helical lobes or threads on the rotors create expanding spaces between them. The expanding spaces draw in the air or gas from the inlet port, allowing it to enter the compression chamber. The suction process continues as the rotors rotate, and the expanding spaces move the air or gas towards the discharge side of the compressor.

Compression Process:

As the air or gas enters the compression chamber, it gets trapped between the interlocking lobes or threads of the rotors. As the rotors continue to rotate, the trapped air or gas is carried along the length of the rotors. The volume of the compression chamber gradually decreases as the lobes or threads of the rotors intermesh, compressing the air or gas. The compression process is continuous and smooth as the air or gas moves from the suction side to the discharge side of the compressor.

Discharge Process:

Once the air or gas reaches the discharge end of the compression chamber, it is pushed towards the outlet port. The compressed air or gas is then released from the compressor through the outlet port to be used for various applications.

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. The oil provides lubrication, cooling, and sealing between the rotors, reducing friction and minimizing wear. The oil-injected variant is commonly used in industrial applications where a small amount of oil in the compressed air is acceptable.

Oil-free screw compressors, on the other hand, 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 eliminate the need for oil. Oil-free screw compressors are preferred in applications that require oil-free and contaminant-free compressed air, such as in the food and beverage, pharmaceutical, and electronics industries.

In summary, a screw compressor works by utilizing interlocking helical rotors to compress air or gas. The rotating rotors draw in the air or gas during the suction process, and as they rotate, the trapped air or gas is compressed within the compression chamber. The compressed air or gas is then discharged from the compressor. Screw compressors are available in oil-injected and oil-free variants, catering to different application requirements.

China wholesaler 250kw Variable Speed Drive High Efficiency Silent Industrial Screw Rotary Oil Free Dry Two Stage Air Compressor   air compressor for carChina wholesaler 250kw Variable Speed Drive High Efficiency Silent Industrial Screw Rotary Oil Free Dry Two Stage Air Compressor   air compressor for car
editor by CX 2023-11-03