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China high quality Portable Compressor Diesel Engine Driven D630rh Screw Air Compressor for DTH Drilling with Hot selling

Product Description

 

CHINAMFG CHINAMFG Import And Export Trade Co.,Ltd. is a manufacturer,specialized in the production of blasting drilling

rig,solar pile driver,water well drilling rig and accessories such as portable screw Air compressor,drill pipe,drill

hammer,drill bit,etc.Our company is a backbone enterprise in the industry. Our company is located at the foot of

Mountain Tai which has the reputation of “Chief of the Five Sacred Mountains”, neighboring to ZheJiang -ZheJiang

High-speed Way, with convenient transportation and excellent location. Your satisfaction is our promise. Our

company covers an area of 35,000 square meters, and has more than 160 employees, including 20 engineering

technicians, who all are specialized drilling rig mechanical design talents. Our company has more than 30 sets of

advanced CNC machining equipment and more than 10 sets of special processing equipment. Our company has

our own heat treatment production workshops and surface treatment equipment. On the basis of advanced

production equipment and more than 10 years of experience, our company has developed and produced three

series of products, including high, medium and low-grade air pressure equipment. 15 kinds of products sell well

throughout China, Russia, Kenya, Brazil, India and some other countries in Europe.

Remark:

1. The payment terms: Pay 30% deposit in advance by T/T firstly, then pay the balance70% before delivering the products.
2. The time of delivery: Deliver the products within 2 days after receiving the total price.
3. The quotation validity date:40 days; Machine manufacturing time: 5-7 days;
4. Loading: 1 set machine uses 1*20 feet container; 1*40 feet high container for maximum 2-3 sets.

…………………………………………………………………………………………. .

R F Q

 

Q1: What’s your delivery time?

A: 15 days to produce, within 3 days if in stock.

 

Q2: What’s methods of payments are accepted?

A: We agree T/T ,L/C , West Union ,Money Gram ,Paypal.

 

Q3: What about the shipments and package?

A: 40′ container
Machine in nude packing, spare parts in standard export wooden box.

 

Q4: Have you got any certificate?

A:We have got ISO,CE certificate.

 

Q5: How to control the quality?

A: We will control the quality by ISO and CE requests.

 

Q6: Do you have after-sale service and warranty service ?

A: Yes, we have.We can supply instruction for operation and maintenance.If necessary, we can send our engineer to repair the machine in your company.

Warranty is 1 year for the machine.

 

Q7: Can I trust your company ?

A: Our company has been certificated by Chinese government,and verified by SGS Inspection Company.Just order from US !

We are factory manufacturer, and we have our own export license .

/* 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: Available
Warranty: 1 Year
Lubrication Style: Lubricated
Cooling System: Air Cooling
Power Source: Diesel Engine
Structure Type: Closed Type

air compressor

How Do You Select the Right Size Screw Compressor for Your Needs?

Choosing the right size screw compressor is crucial to ensure optimal performance, energy efficiency, and cost-effectiveness for your specific compressed air or gas requirements. Here’s a detailed explanation of the selection process:

Selecting the right size screw compressor involves considering several key factors:

  • 1. Air or Gas Demand: Determine your compressed air or gas demand by assessing the total required flow rate (measured in cubic feet per minute or liters per second) and the operating pressure (measured in pounds per square inch or bar). This information helps establish the compressor’s capacity requirements.
  • 2. Duty Cycle: Evaluate your operation’s duty cycle, which refers to the percentage of time the compressor will be running. Duty cycles can vary from continuous operation to intermittent or seasonal usage. The duty cycle affects the compressor’s sizing, as it determines the required compressor output and influences the compressor’s cooling and maintenance needs.
  • 3. Ambient Conditions: Consider the environmental conditions in which the compressor will operate. Factors such as temperature, humidity, and altitude can impact the compressor’s performance and cooling requirements. Ensure that the selected compressor is suitable for the specific ambient conditions of your facility.
  • 4. System Pressure Requirements: Determine the minimum and maximum operating pressure requirements for your application. This information is essential in selecting a compressor that can consistently deliver the required pressure range throughout its operating range.
  • 5. Efficiency Considerations: Evaluate the energy efficiency of different compressor models. Look for compressors with high energy efficiency ratings, such as those certified by organizations like the Air Compressor and Gas Association (CAGI) or ENERGY STAR. Energy-efficient compressors can significantly reduce operating costs over the equipment’s lifespan.
  • 6. Future Expansion: Consider any anticipated growth or changes in your compressed air or gas demand. If you expect increased demand in the future, it’s advisable to select a compressor with some extra capacity to accommodate future expansion without requiring immediate replacement.
  • 7. Maintenance and Serviceability: Assess the maintenance requirements and serviceability of different compressor models. Look for features that make routine maintenance tasks, such as filter changes or oil checks, easily accessible and convenient. Consider the availability of service technicians and spare parts for the chosen compressor brand or model.
  • 8. Manufacturer and Supplier Support: Research the reputation and track record of compressor manufacturers and suppliers. Choose established brands known for producing reliable, high-quality equipment. Consider factors such as warranty coverage, technical support availability, and the proximity of service centers.

Once you have gathered the necessary information and considered the factors mentioned above, you can consult with compressor manufacturers or suppliers who can provide expert advice and assist in selecting the right size screw compressor for your specific needs. They can perform detailed calculations, taking into account the factors discussed, to recommend a compressor that matches your requirements and provides optimal performance.

It’s important to note that selecting the right size screw compressor is a critical decision, and professional guidance is highly recommended to ensure an accurate assessment and proper matching of the compressor to your specific needs.

In summary, selecting the right size screw compressor involves assessing your compressed air or gas demand, duty cycle, ambient conditions, pressure requirements, efficiency considerations, future expansion plans, maintenance requirements, and manufacturer support. By considering these factors and seeking expert advice, you can choose a screw compressor that meets your needs and delivers reliable, efficient performance.

air compressor

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

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

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

1. Start-up and Shutdown Control:

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

2. Load and Unload Control:

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

3. Pressure Control:

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

4. Temperature Control:

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

5. Monitoring and Protection:

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

6. Energy Management:

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

7. Remote Monitoring and Control:

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

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

air compressor

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 high quality Portable Compressor Diesel Engine Driven D630rh Screw Air Compressor for DTH Drilling   with Hot sellingChina high quality Portable Compressor Diesel Engine Driven D630rh Screw Air Compressor for DTH Drilling   with Hot selling
editor by CX 2024-03-03

China Standard N2 Gas Diesel Engine Driven Low Pressure Oil Free Compressor air compressor for car

Product Description

N2 Gas Diesel Engine Driven Low Pressure Oil Free Compressor (KDS2
Fax    : 769 88803230
Web  : dgadekom /* 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: Oil-free
Cooling System: Air-Cooled and Water-Cooled Available
Power Source: AC Power
Structure Type: Closed Type
Installation Type: Stationary Type
Type: Twin-Screw Compressor
Customization:
Available

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air compressor

What Is the Noise Level of Gas Air Compressors?

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

1. Compressor Design:

The design of the gas air compressor can influence its noise level. Some compressors are engineered with noise reduction in mind, utilizing features such as sound insulation, vibration dampening materials, and mufflers to minimize noise generation. Compressors with enclosed cabinets or acoustic enclosures tend to have lower noise levels compared to open-frame compressors.

2. Engine Type:

The type of engine used in the gas air compressor can impact the noise level. Gas air compressors typically use internal combustion engines powered by gasoline or propane. Gasoline engines tend to produce higher noise levels compared to diesel engines or electric motors. However, advancements in engine technology have led to quieter gasoline engines with improved noise control.

3. Operating Conditions:

The operating conditions of the gas air compressor can affect the noise level. Factors such as the load capacity, speed of operation, and ambient temperature can influence the amount of noise generated. Compressors operating at higher loads or speeds may produce more noise compared to those running at lower levels.

4. Noise-Reducing Features:

Some gas air compressors are equipped with noise-reducing features to minimize sound emissions. These may include built-in silencers, acoustic enclosures, or noise-absorbing materials. Such features help dampen the noise produced by the compressor and reduce its overall noise level.

5. Manufacturer Specifications:

Manufacturers often provide noise level specifications for their gas air compressors. These specifications typically indicate the sound pressure level (SPL) in decibels (dB) at a specific distance from the compressor. It is important to refer to these specifications to get an idea of the expected noise level of a particular compressor model.

6. Distance and Location:

The distance between the gas air compressor and the listener can impact the perceived noise level. As sound waves disperse, the noise level decreases with distance. Locating the compressor in an area that is isolated or distant from occupied spaces can help minimize the impact of noise on the surrounding environment.

It is important to note that gas air compressors, especially those used in industrial or heavy-duty applications, can generate substantial noise levels. Occupational health and safety regulations may require the use of hearing protection for individuals working in close proximity to loud compressors.

Overall, the noise level of gas air compressors can vary, and it is advisable to consult the manufacturer’s specifications and consider noise-reducing features when selecting a compressor. Proper maintenance, such as regular lubrication and inspection of components, can also help minimize noise levels and ensure optimal performance.

air compressor

How Do Gas Air Compressors Contribute to Energy Savings?

Gas air compressors can contribute to energy savings in several ways. Here’s a detailed explanation:

1. Efficient Power Source:

Gas air compressors are often powered by gasoline or diesel engines. Compared to electric compressors, gas-powered compressors can provide higher power output for a given size, resulting in more efficient compression of air. This efficiency can lead to energy savings, especially in applications where a significant amount of compressed air is required.

2. Reduced Electricity Consumption:

Gas air compressors, as standalone units that don’t rely on electrical power, can help reduce electricity consumption. In situations where the availability of electricity is limited or expensive, using gas air compressors can be a cost-effective alternative. By utilizing fuel-based power sources, gas air compressors can operate independently from the electrical grid and reduce dependence on electricity.

3. Demand-Sensitive Operation:

Gas air compressors can be designed to operate on demand, meaning they start and stop automatically based on the air requirements. This feature helps prevent unnecessary energy consumption during periods of low or no compressed air demand. By avoiding continuous operation, gas air compressors can optimize energy usage and contribute to energy savings.

4. Energy Recovery:

Some gas air compressors are equipped with energy recovery systems. These systems capture and utilize the heat generated during the compression process, which would otherwise be wasted. The recovered heat can be redirected and used for various purposes, such as space heating, water heating, or preheating compressed air. This energy recovery capability improves overall energy efficiency and reduces energy waste.

5. Proper Sizing and System Design:

Selecting the appropriate size and capacity of a gas air compressor is crucial for energy savings. Over-sizing a compressor can lead to excessive energy consumption, while under-sizing can result in inefficient operation and increased energy usage. Properly sizing the compressor based on the specific air demands ensures optimal efficiency and energy savings.

6. Regular Maintenance:

Maintaining gas air compressors in good working condition is essential for energy efficiency. Regular maintenance, including cleaning or replacing air filters, checking and repairing leaks, and ensuring proper lubrication, helps optimize compressor performance. Well-maintained compressors operate more efficiently, consume less energy, and contribute to energy savings.

7. System Optimization:

For larger compressed air systems that involve multiple compressors, implementing system optimization strategies can further enhance energy savings. This may include employing advanced control systems, such as variable speed drives or sequencers, to match compressed air supply with demand, minimizing unnecessary energy usage.

In summary, gas air compressors contribute to energy savings through their efficient power sources, reduced electricity consumption, demand-sensitive operation, energy recovery systems, proper sizing and system design, regular maintenance, and system optimization measures. By utilizing gas-powered compressors and implementing energy-efficient practices, businesses and industries can achieve significant energy savings in their compressed air systems.

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 Standard N2 Gas Diesel Engine Driven Low Pressure Oil Free Compressor   air compressor for carChina Standard N2 Gas Diesel Engine Driven Low Pressure Oil Free Compressor   air compressor for car
editor by CX 2024-02-17

China supplier Portable heavy duty Screw Air Compressor Driven by Diesel engine supplier

Product Description

The machine can meet the demands of overloading use and stands up to the most severe filed environment. Meanwhile, it also can reduce fuel consumption, which greatly cut down the operation cost. Subsided structure to install the oil tank, placed around each one, Increase oil reserves, make the add oil time interval longer, the weight on both sides are balanced. Tank not in the case, make the space more and not only bring convenience to maintenance service, noise is reduced accordingly, but also giving the customer a good value feeling. 
Advantage: 
1. High Reliability
Less compressor parts, without wearing parts, so it is reliable, long life, overhaul interval is up to 40 to 80 thousand hours. 
2. Easy Operation and Maintenance
A high degree of automation, the operator does not have to go through a long period of professional training, can achieve unattended operation. 
3. The Power Balance is Good
There is no unbalanced inertia force, can smoothly high-speed operation, can achieve no basic operation, especially suitable for portable compressors, small size, light weight, small footprint. 
4. Strong Adaptability
With a mandatory gas transmission characteristics, the volume flow is almost free from the impact of exhaust pressure, in a wide range of speed to maintain high efficiency.  

Our SDP Series:

Product accessories:
1.Brand Screw air end
Large rotors,low rpm,long life span
High efficiency,low noise,low vibration,high reliability
Bearing life over 100,000 hours
Little leakage triangle,low power/airflow ratio
Less wearing parts,low maintenance cost
2.Motor

High efficiency air-cooling totally enclosed motor
Large starting torque
Low noise,better structure
Original imported bearing
F grade insulation,IP 55 protection level
Low rpm
3.Brand Intake Valve Assembie
Non-load starting,butterfly inlet comtrolling valve
0~100% stepless volume regulation,aluminium alloy unibody casing
With Non-return value for heavy load,piston mover
Non-return value close under urgent stop or power failure
4.Air Filter
Air filter from Mann Hummel Germany
Dust removal 99.9%,filtering fineness 3 μm
Ensuring the clean air for inlet
Prolonging the life span of air system,large size,over 3000 hours
5.Oil System
Oil Filter from Mann Hummel Germany
Reliably removing the dust in oil
Oil fineness less then 0.1 μm
Ensuring the clearness and lubrication of oil system,good cooling function
                    Contact details,
                    Company name:HangZhou CHINAMFG Compressor Co.,Ltd
                    Company address:No.172,Nanche Road,Xihu (West Lake) Dis.cheng district,HangZhou city.
                    Website:http://compscompressor       
                    Sales manager:Rick Zhang   /* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

After-sales Service: 12 months
Warranty: 12 months
Lubrication Style: Lubricated
Customization:
Available

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Shipping Cost:

Estimated freight per unit.







about shipping cost and estimated delivery time.
Payment Method:







 

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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

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 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 Do Screw Compressors Compare to Piston Compressors?

Screw compressors and piston compressors are two common types of compressors used for various applications. Here’s a detailed comparison between these two types:

1. Working Principle:

Screw Compressors: Screw compressors use intermeshing rotors (usually a male and female rotor) to compress air or gas. The rotors rotate in opposite directions, creating compression chambers that gradually reduce in volume, compressing the air or gas. Piston Compressors: Piston compressors, also known as reciprocating compressors, use a piston and cylinder arrangement to compress air or gas. The piston moves back and forth within the cylinder, creating compression by reducing the volume of the chamber.

2. Continuous vs. Intermittent Compression:

Screw Compressors: Screw compressors provide continuous compression, which means they can deliver a steady flow of compressed air or gas without pulsations. The compression process is smooth and continuous, resulting in less vibration and noise. Piston Compressors: Piston compressors provide intermittent compression due to the reciprocating motion of the piston. The compression process is characterized by pulsations, resulting in pressure fluctuations and higher vibration levels compared to screw compressors.

3. Efficiency:

Screw Compressors: Screw compressors are known for their relatively high efficiency. They can achieve higher isothermal and adiabatic efficiency compared to piston compressors. The smooth and continuous compression process in screw compressors minimizes energy losses and heat generation, resulting in improved efficiency. Piston Compressors: Piston compressors have lower overall efficiency compared to screw compressors. The reciprocating motion of the piston leads to energy losses due to friction, heat generation, and pressure pulsations. These factors can reduce the efficiency of piston compressors, especially at higher compression ratios.

4. Size and Portability:

Screw Compressors: Screw compressors are generally more compact and require less space compared to piston compressors of similar capacity. They have a simpler design with fewer moving parts, making them relatively lightweight and easier to install. Screw compressors are often mounted on a skid or integrated into compact packages, offering convenient portability. Piston Compressors: Piston compressors are typically larger and bulkier compared to screw compressors of similar capacity. They have more complex designs with multiple moving parts, including pistons, connecting rods, and valves. The larger size and weight of piston compressors make them less portable and require more installation space.

5. Maintenance and Service:

Screw Compressors: Screw compressors generally require less maintenance compared to piston compressors. They have fewer moving parts, reducing the chances of wear and tear. Screw compressors often have longer service intervals and lower maintenance costs. However, proper lubrication and regular inspections are still necessary to ensure optimal performance and efficiency. Piston Compressors: Piston compressors require regular maintenance due to the higher number of moving parts. Components such as pistons, rings, valves, and bearings may require more frequent inspections, lubrication, and replacements. Maintenance costs and service intervals for piston compressors are typically higher compared to screw compressors.

6. Noise and Vibration:

Screw Compressors: Screw compressors operate with lower noise and vibration levels compared to piston compressors. The continuous and smooth compression process in screw compressors results in reduced vibrations and quieter operation, making them suitable for noise-sensitive environments. Piston Compressors: Piston compressors can generate higher noise levels and vibrations due to the reciprocating motion of the piston and the pulsations during compression. Additional measures, such as sound insulation and vibration dampening, may be required to minimize noise and vibration in piston compressors.

Both screw compressors and piston compressors have their advantages and disadvantages depending on specific application requirements. Screw compressors are favored in applications that demand continuous and efficient compression with minimal pulsations and lower noise levels. Piston compressors are suitable for applications that require intermittent compression, lower initial investment, and simplicity. Factors such as desired flow rate, pressure range, operating conditions, and cost considerations play a crucial role in selecting the appropriate compressor type for a given application.

China supplier Portable heavy duty Screw Air Compressor Driven by Diesel engine   supplier China supplier Portable heavy duty Screw Air Compressor Driven by Diesel engine   supplier
editor by CX 2024-02-01

China high quality China Manufacturer of Industrial Heavy Duty Movable Portable Diesel Engine Direct Driven Rotary Screw Type Air Compressors for Construction air compressor price

Product Description

 

Model Machine Diesel Engine
Free Air Delivery Normal Working Dimensions Weight  Manufacturer  Model Rated
 Pressure (without towbar)         power
  m3/min CFM bar(g) psig L*W*H(mm) kg KW
WZSCY-3.2/8 3.40  120 8 116 2263*1590*1543 900 Xihu (West Lake) Dis. YSD490G 32
WZSCY-4/13 4.00  141 13 189 2570*1860*1720 1200 Cummins QFS2.8-C60 45
WZSCY-5/7 5.55  196 7 102 2570*1860*1720 1200 QFS2.8-C60 45
WZSCY-5/10 5.00  177 10 145 2570*1860*1720 1200 QFS2.8-C60 45
WZSCY-6/7 6.00  212 7 102 2570*1860*1720 1200 QFS2.8-C60 45
WZSCY-5/13 5.31  187 13 189 3120*1860*1800 1500 QSB3.9-C80-31 60
WZSCY- 7/7 7.00  247 7 102 3120*1860*1800 1500 QSB3.9-C80-31 60
WZSCY-7/10 7.00  247 10 145 3120*1860*1800 1500 QSB3.9-C80-31 60
WZSCY-7/13 7.00  247 13 189 3360*2571*2050 1700 QSB3.9-C100-31 74
WZSCY-10/8 10.00  353 8 116 3360*2571*2050 1700 QSB3.9-C130-31 74
WZSCY-9/13 9.00  318 13 189 3360*2571*2050 1700 QSB3.9-C130-31 96
WZSCY-10/10 10.00  353 10 145 3360*2571*2050 1700 QSB3.9-C130-31 96
WZSCY-12/7 12.11  428 7 102 3360*2571*2050 1700 QSB3.9-C130-31 96
WZSCY-8/16 8.01  283 16 232 3155*2110*2295 2050 QSB5.9-C150-31 113
WZSCY-9/15 9.00  318 15 218 3155*2110*2295 2050 QSB5.9-C150-31 113
WZSCY-10/13 10.02  354 13 189 3155*2110*2295 2050 QSB5.9-C150-31 113
WZSCY-11/10 11.00  388 10 145 3155*2110*2295 2050 QSB5.9-C150-31 113
WZSCY-15/8 15.00  530 8 116 3155*2110*2295 2050 QSB5.9-C150-31 113
WZSCY-12/13 12.00  424 13 189 3388*1760*2620 3600 QSB5.9-C180-31 132
WZSCY-14/12 14.00  494 12 174 3388*1760*2620 3600 QSB5.9-C180-31 132
WZSCY-15/10 15.19  536 10 145 3388*1760*2620 3600 QSB5.9-C180-31 132
WZSCY-17/8 17.00  600 8 116 3388*1760*2620 3600 QSB5.9-C180-31 132
WZSCY18/7 18.00  636 7 102 3388*1760*2620 3600 QSB5.9-C180-31 132
WZSCY-13/18 13.55  478 18 261 3400*1770*2660 4000 QSC8.3-C215-30 160
WZSCY-13/20 13.00  459 20 290 3400*1770*2660 4000 QSC8.3-C215-30 160
WZSCY-15/16 15.00  530 16 232 3400*1770*2660 4000 QSC8.3-C215-30 160
WZSCY-17/13 17.00  600 13 189 3400*1770*2660 4000 QSC8.3-C215-30 160
WZSCY-18/10 18.00  636 10 145 3400*1770*2660 4000 QSC8.3-C215-30 160
WZSCY-23/8 23.00  812 8 116 3400*1770*2660 4000 QSC8.3-C215-30 160
WZSCY-15/18 15.00  530 18 261 3400*1770*2660 4000 QSC8.3-C260-30 194
WZSCY-17/14 17.66  624 14 203 3400*1770*2660 4000 QSC8.3-C260-30 194
WZSCY-20/13 20.67  730 13 189 3400*1770*2660 4000 QSC8.3-C260-30 194
WZSCY-22/10 22.21  784 10 145 3400*1770*2660 4000 QSC8.3-C260-30 194
WZSCY-24/8 24.00  847 8 116 3400*1770*2660 4000 QSC8.3-C260-30 194
WZSCY-18/18 18.28  645 18 261 3780*1980*2685 4400 QSL8.9-C325-30 239
WZSCY-19/14 19.75  697 14 203 3780*1980*2685 4400 QSL8.9-C325-30 239
WZSCY-20/16 20.18  713 16 232 3780*1980*2685 4400 QSL8.9-C325-30 239
WZSCY-21/15 21.00  742 15 218 3780*1980*2685 4400 QSL8.9-C325-30 239
WZSCY-23/13 23.00  812 13 189 3780*1980*2685 4400 QSL8.9-C325-30 239
WZSCY-27/10 27.00  953 10 145 3780*1980*2685 4400 QSL8.9-C325-30 239
WZSCY-28/8 28.00  989 8 116 3780*1980*2685 4400 QSL8.9-C325-30 239
WZSCY-22/20 22.00  777 20 290 3960*2160*2905 5500 QSL8.9-C360-30 264
WZSCY-23/15 23.00  812 15 218 3960*2160*2905 5500 QSL8.9-C360-30 264
WZSCY-25/13 25.00  883 13 189 3960*2160*2905 5500 QSL8.9-C360-30 264
WZSCY-26/12 26.00  918 12 174 3960*2160*2905 5500 QSL8.9-C360-30 264
WZSCY-28/10 28.00  989 10 145 3960*2160*2905 5500 QSL8.9-C360-30 264
WZSCY-32/10 32.25  1139 10 145 3960*2160*2905 5500 QSL8.9-C360-30 264
WZSCY-33/8 33.00  1165 8 116 3960*2160*2905 5500 QSL8.9-C360-30 264
WZSCY-36/7 36.00  1271 7 102 3960*2160*2905 5500 QSL8.9-C360-30 264
WZSCY-26/25 26.00  918 25 363 4700*2100*2900 4800 QSZ13-C550 410
WZSCY-34/25 34.00  1200 25 363 4700*2100*2900 6800 QSZ13-C550 410
WZSCY-45/10 46.38  1638 10 145 4715*2160*3200 7000 QSZ13-C550 410
WZSCY-33/35 33.00  1165 35 508 5000*2200*2900 7200 KTA19-P700 522
WZSCY-39/25 39.00  1377 25 363 5000*2200*2900 7200 KTA19-P700 522
Note: Skid-mounted type is available.

 
Wan CHINAMFG Certification

Wan CHINAMFG Exhibition

FAQ

1.  OEM/ODM, or customer’ s logo printed is available?

     Yes, OEM/ODM, customer’s logo is welcomed.

2.   Delivery date?
     Usually 5-25 working days after receiving deposit, specific delivery date based on order quantity.
 

3.  What’s your payment terms?

     Regularly doing 30% deposit and 70% balance by T/T, Western Union, Paypal, other payment terms also can be discussed based on our  cooperation.
 

4.  How to control your quality?

     We have professional QC team, control the quality during the mass production and inspect the products before shipping.
 

5.  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.
 

6.  I never come to China before , can you be my guide in China?

     Sure , I’m glad to be your guide because our company directly located in ZheJiang , where is the most famous city in China, if you want to come China then we are happy to provide you one-stop service, such as booking ticket, picking up at the airport, booking hotel, accompany visiting factory. It gonna make you an unforgettable memory.

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

After-sales Service: Video Technical Support
Warranty: Unit 1 Year, Air End 2 Years
Lubrication Style: Oil-less
Customization:
Available

|

.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}

Shipping Cost:

Estimated freight per unit.







about shipping cost and estimated delivery time.
Payment Method:







 

Initial Payment



Full Payment
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

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

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 high quality China Manufacturer of Industrial Heavy Duty Movable Portable Diesel Engine Direct Driven Rotary Screw Type Air Compressors for Construction   air compressor priceChina high quality China Manufacturer of Industrial Heavy Duty Movable Portable Diesel Engine Direct Driven Rotary Screw Type Air Compressors for Construction   air compressor price
editor by CX 2024-01-10

China Professional Top Manufacturer of Industrial 190-1400 Cfm 2/4 Wheels Mining Portable Mobile Movable Diesel Engine Direct Driven Screw Type Rotary Air Compressor best air compressor

Product Description

 

Model Machine Diesel Engine
Free Air Delivery Normal Working Dimensions Weight  Manufacturer  Model Rated
 Pressure (without towbar)         power
  m3/min CFM bar(g) psig L*W*H(mm) kg KW
WZSCY-3.2/8 3.40  120 8 116 2263*1590*1543 900 Xihu (West Lake) Dis. YSD490G 32
WZSCY-4/13 4.00  141 13 189 2570*1860*1720 1200 Cummins QFS2.8-C60 45
WZSCY-5/7 5.55  196 7 102 2570*1860*1720 1200 QFS2.8-C60 45
WZSCY-5/10 5.00  177 10 145 2570*1860*1720 1200 QFS2.8-C60 45
WZSCY-6/7 6.00  212 7 102 2570*1860*1720 1200 QFS2.8-C60 45
WZSCY-5/13 5.31  187 13 189 3120*1860*1800 1500 QSB3.9-C80-31 60
WZSCY- 7/7 7.00  247 7 102 3120*1860*1800 1500 QSB3.9-C80-31 60
WZSCY-7/10 7.00  247 10 145 3120*1860*1800 1500 QSB3.9-C80-31 60
WZSCY-7/13 7.00  247 13 189 3360*2571*2050 1700 QSB3.9-C100-31 74
WZSCY-10/8 10.00  353 8 116 3360*2571*2050 1700 QSB3.9-C130-31 74
WZSCY-9/13 9.00  318 13 189 3360*2571*2050 1700 QSB3.9-C130-31 96
WZSCY-10/10 10.00  353 10 145 3360*2571*2050 1700 QSB3.9-C130-31 96
WZSCY-12/7 12.11  428 7 102 3360*2571*2050 1700 QSB3.9-C130-31 96
WZSCY-8/16 8.01  283 16 232 3155*2110*2295 2050 QSB5.9-C150-31 113
WZSCY-9/15 9.00  318 15 218 3155*2110*2295 2050 QSB5.9-C150-31 113
WZSCY-10/13 10.02  354 13 189 3155*2110*2295 2050 QSB5.9-C150-31 113
WZSCY-11/10 11.00  388 10 145 3155*2110*2295 2050 QSB5.9-C150-31 113
WZSCY-15/8 15.00  530 8 116 3155*2110*2295 2050 QSB5.9-C150-31 113
WZSCY-12/13 12.00  424 13 189 3388*1760*2620 3600 QSB5.9-C180-31 132
WZSCY-14/12 14.00  494 12 174 3388*1760*2620 3600 QSB5.9-C180-31 132
WZSCY-15/10 15.19  536 10 145 3388*1760*2620 3600 QSB5.9-C180-31 132
WZSCY-17/8 17.00  600 8 116 3388*1760*2620 3600 QSB5.9-C180-31 132
WZSCY18/7 18.00  636 7 102 3388*1760*2620 3600 QSB5.9-C180-31 132
WZSCY-13/18 13.55  478 18 261 3400*1770*2660 4000 QSC8.3-C215-30 160
WZSCY-13/20 13.00  459 20 290 3400*1770*2660 4000 QSC8.3-C215-30 160
WZSCY-15/16 15.00  530 16 232 3400*1770*2660 4000 QSC8.3-C215-30 160
WZSCY-17/13 17.00  600 13 189 3400*1770*2660 4000 QSC8.3-C215-30 160
WZSCY-18/10 18.00  636 10 145 3400*1770*2660 4000 QSC8.3-C215-30 160
WZSCY-23/8 23.00  812 8 116 3400*1770*2660 4000 QSC8.3-C215-30 160
WZSCY-15/18 15.00  530 18 261 3400*1770*2660 4000 QSC8.3-C260-30 194
WZSCY-17/14 17.66  624 14 203 3400*1770*2660 4000 QSC8.3-C260-30 194
WZSCY-20/13 20.67  730 13 189 3400*1770*2660 4000 QSC8.3-C260-30 194
WZSCY-22/10 22.21  784 10 145 3400*1770*2660 4000 QSC8.3-C260-30 194
WZSCY-24/8 24.00  847 8 116 3400*1770*2660 4000 QSC8.3-C260-30 194
WZSCY-18/18 18.28  645 18 261 3780*1980*2685 4400 QSL8.9-C325-30 239
WZSCY-19/14 19.75  697 14 203 3780*1980*2685 4400 QSL8.9-C325-30 239
WZSCY-20/16 20.18  713 16 232 3780*1980*2685 4400 QSL8.9-C325-30 239
WZSCY-21/15 21.00  742 15 218 3780*1980*2685 4400 QSL8.9-C325-30 239
WZSCY-23/13 23.00  812 13 189 3780*1980*2685 4400 QSL8.9-C325-30 239
WZSCY-27/10 27.00  953 10 145 3780*1980*2685 4400 QSL8.9-C325-30 239
WZSCY-28/8 28.00  989 8 116 3780*1980*2685 4400 QSL8.9-C325-30 239
WZSCY-22/20 22.00  777 20 290 3960*2160*2905 5500 QSL8.9-C360-30 264
WZSCY-23/15 23.00  812 15 218 3960*2160*2905 5500 QSL8.9-C360-30 264
WZSCY-25/13 25.00  883 13 189 3960*2160*2905 5500 QSL8.9-C360-30 264
WZSCY-26/12 26.00  918 12 174 3960*2160*2905 5500 QSL8.9-C360-30 264
WZSCY-28/10 28.00  989 10 145 3960*2160*2905 5500 QSL8.9-C360-30 264
WZSCY-32/10 32.25  1139 10 145 3960*2160*2905 5500 QSL8.9-C360-30 264
WZSCY-33/8 33.00  1165 8 116 3960*2160*2905 5500 QSL8.9-C360-30 264
WZSCY-36/7 36.00  1271 7 102 3960*2160*2905 5500 QSL8.9-C360-30 264
WZSCY-26/25 26.00  918 25 363 4700*2100*2900 4800 QSZ13-C550 410
WZSCY-34/25 34.00  1200 25 363 4700*2100*2900 6800 QSZ13-C550 410
WZSCY-45/10 46.38  1638 10 145 4715*2160*3200 7000 QSZ13-C550 410
WZSCY-33/35 33.00  1165 35 508 5000*2200*2900 7200 KTA19-P700 522
WZSCY-39/25 39.00  1377 25 363 5000*2200*2900 7200 KTA19-P700 522
Note: Skid-mounted type is available.

 
Wan CHINAMFG Certification

Wan CHINAMFG Exhibition

FAQ

1.  OEM/ODM, or customer’ s logo printed is available?

     Yes, OEM/ODM, customer’s logo is welcomed.

2.  Delivery date?
     Usually 5-25 working days after receiving deposit, specific delivery date based on order quantity.
 

3.  What’s your payment terms?

     Regularly doing 30% deposit and 70% balance by T/T, Western Union, Paypal, other payment terms also can be discussed based on our  cooperation.
 

4.  How to control your quality?

     We have professional QC team, control the quality during the mass production and inspect the products before shipping.
 

5.  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.
 

6.  I never come to China before , can you be my guide in China?

     Sure , I’m glad to be your guide because our company directly located in ZheJiang , where is the most famous city in China, if you want to come China then we are happy to provide you one-stop service, such as booking ticket, picking up at the airport, booking hotel, accompany visiting factory. It gonna make you an unforgettable memory.

MARKETING NETWORK

After-sales Service: Video Technical Support
Warranty: Unit 1 Year, Air End 2 Years
Lubrication Style: Oil-less
Customization:
Available

|

.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}

Shipping Cost:

Estimated freight per unit.







about shipping cost and estimated delivery time.
Payment Method:







 

Initial Payment



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

air compressor

What Is the Lifespan of a Typical Screw Compressor?

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

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

Several factors can influence the lifespan of a screw compressor:

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

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

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

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

air compressor

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

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

1. Occupational Safety and Health Administration (OSHA):

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

2. Environmental Protection Agency (EPA):

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

3. Industry-Specific Regulations:

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

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

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

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

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

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

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

air compressor

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.

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editor by CX 2023-11-03

China OEM 350 Cfm Portable Compressor Diesel Engine Driven Screw Air Compressor for Drilling arb air compressor

Product Description

 

*Product Description

MODEL SUPC50-8 SUPC75-10 SUPC75-10 SUPC160-10 SUPC160-13-II SUPC190-13 SUPC190-15
Machine
Free air delivery m³/min 4.5 6 5 12 15 15 13
  cfm 160 215 178 428 535 535 465
Normal working pressure bar 8 8 10 10 13 13 15
  psi 118 118 147 147 191 191 220
Dimentions
(withou twobar)
(mm)
Length 2500 2500 2500 3200 3200 3500 3500
  Width 1750 1750 1750 1600 1600 1750 1750
  Height 2100 2100 2100 2000 2000 2200 2200
Weight Kg 1150 1150 1150 2200 2350 2500 2500
Wheel qty 2 2 2 4 4 4 4
Size and No. of outlet value G1″*2 G1″*2 G1″*2 G1″*1   
  G1 1/2″*1
G1″*1
   G1 1/2″*1
G1″*1     
G1 1/2″*1
G1″*1     
G1 1/2″*1
Diesel
Brand XICHAI XICHAI XICHAI YUCHAI YUCHAI YUCHAI YUCHAI
Model 4DW91-50GBG3U 4DW93-75GG3U 4DW93-75GG3U YC4A160-H300 YC4A160-H300 YC6J190-H300 YC6J190-H300
Rated power Kw 36.8 55 55 118 118 140 140
  hp 50 75 75 160 160 190 190
No. of cylinders 4 4 4 4 4 6 6
Engine speed rpm 2650 2400 2400 2200 2200 2200 2200
Oil capacity L 5 7 7 11 11 15 15
coolant capacity L 30 30 30 60 60 75 75
Battary V 12 24 24 24 24 24 24
Fuel tank capacity L 100 100 100 180 180 180 180

MODEL SUPC190-17 SUPC190-15-II SUPC220-15 SUPC220-13-II SUPC220-16-II SUPC220-17-II SUPC260-15-II
Machine
Free air delivery m³/min 10 15 15 17 15 13 22
  cfm 357 535 535 608 535 465 786
Normal working pressure bar 17 15 15 13 16 17 15
  psi 250 220 220 191 235 250 220
Dimentions
(withou twobar)
(mm)
Length 3500 3500 3500 3500 3500 3500 3700
  Width 1750 1750 1750 1750 1750 1750 1900
  Height 2200 2200 2200 2200 2200 2200 2350
Weight Kg 2500 2650 3100 3200 3200 3200 3500
Wheel qty 4 4 4 4 4 4 4
Size and No. of outlet value G1″*1     
G1 1/2″*1
G1″*1     
G1 1/2″*1
G1″*1     
G1 1/2″*1
G1″*1     
G1 1/2″*1
G1″*1     
G1 1/2″*1
G1″*1     
G1 1/2″*1
G1″*1     
G1 1/2″*1
Diesel
Brand YUCHAI YUCHAI YUCHAI YUCHAI YUCHAI YUCHAI YUCAI
Model YC6J190-H300 YC6J190-H300 YC6J220-T300 YC6J220-T300 YC6J220-T300 YC6J220-T300 YC6A260-H300
Rated power Kw 140 140 162 162 162 162 191
  hp 190 190 220 220 220 220 260
No. of cylinders 6 6 6 6 6 6 6
Engine speed rpm 2200 2200 2200 2200 2200 2200 2200
Oil capacity L 15 15 20 20 20 20 24
coolant capacity L 75 75 90 90 90 90 110
Battary V 24 24 24 24 24 24 24
Fuel tank capacity L 180 180 220 220 220 220 220

MODEL SUPC260-17-II SUPC260-22-II SUPC300-13-II SUPC300-17-II SUPC300-25-II SUPC420-25-II SUPC430-24-II SUPC500-25-II
Machine  
Free air delivery m³/min 17 14 28 22 17 25 29 33
  cfm 608 500 1000 786 608 893 1035 1180
Normal working pressure bar 17 22 13 17 25 25 24 25
  psi 250 324 191 250 368 368 353 396
Dimentions
(withou twobar)
(mm)
Length 3700 3700 3900 3900 3900 3600 3600 3600
  Width 1900 1900 2000 2000 2000 2000 2000 2000
  Height 2350 2350 2400 2400 2400 2500 2500 2500
Weight Kg 3500 3600 4000 4100 4200 4500 4600 4700
Wheel qty 4 4 4 4 4      
Size and No. of outlet value G1″*1     
G1 1/2″*1
G1″*1     
G1 1/2″*1
G1″*1     
G2″*1
G1″*1     
G2″*1
G1″*1     
G2″*1
G1″*1   G1 1/2″*1
  G2 1/2″*1
G1″*1   G1 1/2″*1
  G2 1/2″*1
G1″*1   G1 1/2″*1
  G2 1/2″*1
Diesel  
Brand YUCHAI YUCHAI YUCHAI YUCHAI YUCHAI YUCHAI YUCHAI YUCHAI
  YC6A260-H300 YC6A260-H300           YC6K560-KT31
Rated power Kw 191 191 221 221 221 309 320 375
  hp 260 260 300 300 300 420 430 500
No. of cylinders 6 6 6 6 6 6 6 6
Engine speed rpm 2200 2200 2000 2000 2000 1900 1900 1900
Oil capacity L 24 24 28 28 28 32 32 32
coolant capacity L 110 110 140 140 140 180 180 180
Battary V 24 24 24 24 24 24 24 24
Fuel tank capacity L 220 220 280 280 280 400 400 400

*Certifications

*Company Information

ZheJiang Compressor Import & Export Co.,Ltd is located in the logistics capital of China, 1 of the important birthplaces of Chinese civilization-HangZhou, ZheJiang Province. With professinal manufacturing experience and first -class comprehensive scientific and technological strength of the talent team, as the energy-saving compressor system leader and renowed in the industry.

We specializes in R & D and sales of power frequency ,permanent magnet frequency conversion ,two -stage compressor permanent magnet frequency conversion ,low -voltage and mobile screw air compressor . With a deep industry background , 1 step ahead ambition . With the professional enthusiasm for screw air compressor , team innovation , to meat the challenges of enterprise’s own determination and the rigorous attitude of excellence,products are strictly in accordance with IOS 9001 international quality procedures,to provide customers with energy -saving and reliable products .

We warmly welcomes people from all around the world to visit the company to guide the establishment of a wide range of business contacts and cooperation . Choosing HangZhou Atlas Air compressor Manufacturing Co.,Led.is to choose quality and service ,choose culture and taste ,choose a permanent and trustworthy partner !

*Packaging & Shipping

*Contact us

 

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

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air compressor

What is the impact of humidity on compressed air quality?

Humidity can have a significant impact on the quality of compressed air. Compressed air systems often draw in ambient air, which contains moisture in the form of water vapor. When this air is compressed, the moisture becomes concentrated, leading to potential issues in the compressed air. Here’s an overview of the impact of humidity on compressed air quality:

1. Corrosion:

High humidity in compressed air can contribute to corrosion within the compressed air system. The moisture in the air can react with metal surfaces, leading to rust and corrosion in pipes, tanks, valves, and other components. Corrosion not only weakens the structural integrity of the system but also introduces contaminants into the compressed air, compromising its quality and potentially damaging downstream equipment.

2. Contaminant Carryover:

Humidity in compressed air can cause carryover of contaminants. Water droplets formed due to condensation can carry particulates, oil, and other impurities present in the air. These contaminants can then be transported along with the compressed air, leading to fouling of filters, clogging of pipelines, and potential damage to pneumatic tools, machinery, and processes.

3. Decreased Efficiency of Pneumatic Systems:

Excessive moisture in compressed air can reduce the efficiency of pneumatic systems. Water droplets can obstruct or block the flow of air, leading to decreased performance of pneumatic tools and equipment. Moisture can also cause problems in control valves, actuators, and other pneumatic devices, affecting their responsiveness and accuracy.

4. Product Contamination:

In industries where compressed air comes into direct contact with products or processes, high humidity can result in product contamination. Moisture in compressed air can mix with sensitive products, leading to quality issues, spoilage, or even health hazards in industries such as food and beverage, pharmaceuticals, and electronics manufacturing.

5. Increased Maintenance Requirements:

Humidity in compressed air can increase the maintenance requirements of a compressed air system. Moisture can accumulate in filters, separators, and other air treatment components, necessitating frequent replacement or cleaning. Excessive moisture can also lead to the growth of bacteria, fungus, and mold within the system, requiring additional cleaning and maintenance efforts.

6. Adverse Effects on Instrumentation:

Humidity can adversely affect instrumentation and control systems that rely on compressed air. Moisture can disrupt the accuracy and reliability of pressure sensors, flow meters, and other pneumatic instruments, leading to incorrect measurements and control signals.

To mitigate the impact of humidity on compressed air quality, various air treatment equipment is employed, including air dryers, moisture separators, and filters. These devices help remove moisture from the compressed air, ensuring that the air supplied is dry and of high quality for the intended applications.

air compressor

Can air compressors be used for inflating tires and sporting equipment?

Yes, air compressors can be used for inflating tires and sporting equipment, providing a convenient and efficient method for achieving the desired air pressure. Here’s how air compressors are used for these purposes:

1. Tire Inflation:

Air compressors are commonly used for inflating vehicle tires, including car tires, motorcycle tires, bicycle tires, and even larger truck or trailer tires. Air compressors provide a continuous source of pressurized air, allowing for quick and accurate inflation. They are often used in automotive repair shops, gas stations, and by individuals who regularly need to inflate tires.

2. Sporting Equipment Inflation:

Air compressors are also useful for inflating various types of sporting equipment. This includes inflatable balls such as soccer balls, basketballs, footballs, and volleyballs. Additionally, air compressors can be used to inflate inflatable water toys, air mattresses, inflatable kayaks, and other recreational items that require air for proper inflation.

3. Air Tools for Inflation:

Air compressors can power air tools specifically designed for inflation purposes. These tools, known as inflators or air blow guns, provide controlled airflow for inflating tires and sporting equipment. They often have built-in pressure gauges and nozzles designed to fit different types of valves, making them versatile and suitable for various inflation tasks.

4. Adjustable Pressure:

One advantage of using air compressors for inflation is the ability to adjust the pressure. Most air compressors allow users to set the desired pressure level using a pressure regulator or control knob. This feature ensures that tires and sporting equipment are inflated to the recommended pressure, promoting optimal performance and safety.

5. Efficiency and Speed:

Air compressors provide a faster and more efficient inflation method compared to manual pumps. The continuous supply of compressed air allows for quick inflation, reducing the time and effort required to inflate tires and sporting equipment manually.

6. Portable Air Compressors:

For inflating tires and sporting equipment on the go, portable air compressors are available. These compact and lightweight compressors can be easily carried in vehicles or taken to sports events and outdoor activities, ensuring convenient access to a reliable air supply.

It is important to note that when using air compressors for inflating tires, it is recommended to follow manufacturer guidelines and proper inflation techniques to ensure safety and avoid overinflation.

air compressor

What is the purpose of an air compressor?

An air compressor serves the purpose of converting power, typically from an electric motor or an engine, into potential energy stored in compressed air. It achieves this by compressing and pressurizing air, which can then be used for various applications. Here’s a detailed explanation of the purpose of an air compressor:

1. Powering Pneumatic Tools: One of the primary uses of an air compressor is to power pneumatic tools. Compressed air can be used to operate a wide range of tools, such as impact wrenches, nail guns, paint sprayers, sanders, and drills. The compressed air provides the necessary force and energy to drive these tools, making them efficient and versatile.

2. Supplying Clean and Dry Air: Air compressors are often used to supply clean and dry compressed air for various industrial processes. Many manufacturing and production operations require a reliable source of compressed air that is free from moisture, oil, and other contaminants. Air compressors equipped with appropriate filters and dryers can deliver high-quality compressed air for applications such as instrumentation, control systems, and pneumatic machinery.

3. Inflating Tires and Sports Equipment: Air compressors are commonly used for inflating tires, whether it’s for vehicles, bicycles, or sports equipment. They provide a convenient and efficient method for quickly filling tires with the required pressure. Air compressors are also used for inflating sports balls, inflatable toys, and other similar items.

4. Operating HVAC Systems: Air compressors play a crucial role in the operation of heating, ventilation, and air conditioning (HVAC) systems. They provide compressed air for controlling and actuating dampers, valves, and actuators in HVAC systems, enabling precise regulation of air flow and temperature.

5. Assisting in Industrial Processes: Compressed air is utilized in various industrial processes. It can be used for air blow-off applications, cleaning and drying parts, powering air-operated machinery, and controlling pneumatic systems. Air compressors provide a reliable and efficient source of compressed air that can be tailored to meet the specific requirements of different industrial applications.

6. Supporting Scuba Diving and Breathing Systems: In scuba diving and other breathing systems, air compressors are responsible for filling diving tanks and supplying breathable air to divers. These compressors are designed to meet strict safety standards and deliver compressed air that is free from contaminants.

Overall, the purpose of an air compressor is to provide a versatile source of compressed air for powering tools, supplying clean air for various applications, inflating tires and sports equipment, supporting industrial processes, and facilitating breathing systems in specific contexts.

China OEM 350 Cfm Portable Compressor Diesel Engine Driven Screw Air Compressor for Drilling   arb air compressorChina OEM 350 Cfm Portable Compressor Diesel Engine Driven Screw Air Compressor for Drilling   arb air compressor
editor by CX 2023-10-10

China wholesaler Similar CHINAMFG AC Industrial Heavy Duty Tier 3/4 Movable Portable CHINAMFG Diesel Engine Direct Driven Rotary Screw Type Air Compressors with Jack Hammer small air compressor

Product Description

DENAIR hot sale series diesel portable air compressors

DENAIR hot sale series diesel portable air compressors
Model Machine Diesel Engine
Free Air Delivery Normal Working Dimensions Weight  Manufacturer  Model Rated
 Pressure (without towbar)         power
  m3/min CFM bar(g) psig L*W*H(mm) kg KW
DACY-3.2/8 3.40  120 8 116 2263*1590*1543 9, China
Our factory is located in No. 366, YangzhuangBang Street, Pingxing Rd., Xindai Town, HangZhou, ZHangZhoug Province, China

Q3: Warranty terms of your machine? 
A3: Two years warranty for the machine and technical support according to your needs.

Q4: Will you provide some spare parts of the machines? 
A4: Yes, of course.

Q5: How long will you take to arrange production? 
A5: 380V 50HZ we can delivery the goods within 10 days. Other electricity or other color we will delivery within 22 days

Q6: Can you accept OEM orders? 
A6: Yes, with professional design team, OEM orders are highly welcome.

 

Shipping Cost:

Estimated freight per unit.



To be negotiated
After-sales Service: 24/7 Service Support
Warranty: 18 months warranty
Lubrication Style: Lubricated or Oil-Less
Customization:
Available

|

air compressor

How Does Variable Speed Control Work in Screw Compressors?

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

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

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

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

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

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

air compressor

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 Similar CHINAMFG AC Industrial Heavy Duty Tier 3/4 Movable Portable CHINAMFG Diesel Engine Direct Driven Rotary Screw Type Air Compressors with Jack Hammer   small air compressor China wholesaler Similar CHINAMFG AC Industrial Heavy Duty Tier 3/4 Movable Portable CHINAMFG Diesel Engine Direct Driven Rotary Screw Type Air Compressors with Jack Hammer   small air compressor
editor by CX 2023-09-28

China supplier Good Quality Portable 23m3 25bar 830cfm Compressor Diesel Engine Driven Screw Air Compressor Factory Price near me factory

Merchandise Description

Suction valve                                    Lubricating oil filter                           Oil thermostatic valve                                             50°C radiator
 Solenoid valve                                Vertical air/oil tank                                Pressure typical valve                              Air/oil separator                     

  Lubricating oil radiator       Safety valve                                                   Emergency end button                                 Air filter of engine
 Minimum strain valve       Lockable battery isolator swap                                                                                                                                                                 
 Air filter of compressor        Vent valve                                                       Powder coated cover                                           Shuttle valve    
 24V sealed for lifestyle routine maintenance totally free battery                                Gas tank for 8 several hours operating

1.Air end                           2. Capability of  Oil and fuel tank                               3. Consumption valve                      4. Canopy of engine

five.Silencer                         6. Axle                                                                       7.tank                                    8. Battery
 
nine.Base                              10.Control panel

 

 

 

 

Decide on an Air Compressor for Your Business

There are numerous variables to take into account when picking an air compressor for your enterprise. 1 aspect to think about is the type of compressor you are searching for, which might incorporate one-phase, lower sound, and positive displacement. Hope this write-up aids you make the right choice. After all, your enterprise good results will count on this device! Let’s take a nearer look at these elements. Also, contemplate what compressor manufacturers say about their merchandise.
air-compressor

Optimistic displacement

Good displacement air compressors compress air by drawing in a volume from an inlet and extruding it out of a chamber. This will increase the strain at which the gasoline can be pumped at rates that can not be pumped via the outlet at reduced pressures at larger mass circulation prices. These types of compressors are accessible in one-acting and double-acting configurations. They are categorized by the variety of cylinders.
There are two diverse varieties of air compressors: reciprocating air compressors and screw compressors. The two are roll devices. Good displacement air compressors use pistons and cylinders to compress air. The ensuing air stress builds up in the compressor housing, rising the likely strength of the compressed air. Screw air compressors are the most popular positive displacement air compressors, which can be either solitary-phase screw-blade air compressors or multi-phase screw-blade oil-immersed screw air compressors.
Positive displacement flowmeters use a rotating measuring chamber to divide the fluid into discrete portions. The number of times the chamber was refilled and emptied was used to estimate the total circulation. Nonetheless, positive displacement circulation meters are inclined to leaks, reducing the accuracy of the estimates. If a leak occurs, it can trigger bogus readings and injury the compressor. However, leaks in optimistic displacement air compressors can decrease strain.
The most typical sorts of constructive displacement air compressors are screw, reciprocating, and vane. Rotary good displacement air compressors are also obtainable as properly as several other air compressors. Good displacement air compressors are most generally utilised in large production amenities. If you are considering an air compressor for business or industrial programs, it is imperative to realize how the elements of the device perform. Please read through the information beneath to find out much more just before selecting which application is very best for you.
Positive displacement air compressors use a piston to drive air into a chamber, compressing the air in the process. The piston moves in the opposite path, thus reducing the quantity of the chamber. When the volume of air in the chamber reaches its highest price, the valve opens, making it possible for it to escape at greater strain. Constructive displacement air compressors are normally significantly less efficient than centrifugal compressors. Even so, they are even now an outstanding selection for a range of apps.
air-compressor

One-stage

The discharge force of the solitary-phase air compressor is used to handle the operation of the compressor. Correctly developed load/unload controls permit the air compressor to function at its most efficient stage whilst minimizing tension on the main engine bearings. Solitary-phase air compressors can approach variable pace efficiency with suitable storage capacity. Nevertheless, poor storage can trigger untimely bearing wear on the main unit. If this is the situation, a single-stage air compressor might not be ideal.
A solitary-phase air compressor has only a single cylinder, which indicates a single stroke is needed to move air from one cylinder to an additional. Pressure is calculated in cubic toes for each moment or CFM. Tank measurement is also critical as a large one-stage air compressor may be essential to work several air equipment. Single-stage air compressors can be utilized in a assortment of applications and can very last for a long time.
For the most typical employs, single-stage air compressors are the most useful choice. These gadgets work with most hand equipment, from hammers to grinders. Single-phase air compressors are light-weight and easy to go. Nonetheless, two-phase air compressors supply a lot more CFM, generating them a better selection for industrial or professional use. Nevertheless, two-stage compressors are not appropriate for non-public use. As a result, if your primary purpose is Do it yourself and craft initiatives, it is greater to choose a solitary-stage air compressor.
In contrast with two-phase air compressors, one-stage screw air compressors are more affordable. They appear from a variety of producers and assortment in electrical power from 3 to 600 horsepower. Single-stage air compressors are a expense-effective solution for a selection of air compressor needs. They offer adaptability and a number of handle techniques, producing them an outstanding option for a lot of different purposes. Consequently, when deciding on an air compressor for your company, select the a single with the most appropriate features.
One-phase air compressors are the most affordable and easy-to-use air compressors for modest to medium employment. They also have higher compression ratios. The compression ratio is the ratio of absolute discharge strain to complete inlet strain. When calculating the ratio, it normally takes into account atmospheric pressure and gauge strain. The compression ratio pushes the surface area region of ​​the rotor, which increases the thrust load.
Single-phase air compressors are smaller and less difficult to transportation than two-phase models. Solitary-phase air compressors have 1 air ingestion, and two-phase air compressors have two air intakes. The difference among solitary-phase and two-stage air compressors mostly is dependent on the number of instances the air is compressed. A single-phase air compressor compresses the air after, whilst a twin-stage air compressor compresses the same quantity of air two times.
air-compressor

minimal noise

Low sound air compressors are perfect for a assortment of programs. Whilst no air compressor is totally silent, some types are considerably quieter than others. For the Hitachi EC28M transportable compressor, the noise degree is fifty nine decibels. The compressor attributes metal rollers that defend the inner components and give it a sleek, modern day appear. It also has a one particular-gallon gas tank and a fifty percent-horsepower drive.
Noise from air compressors can be distracting and lessen productiveness. It is essential to choose reduced-sound air compressors to keep personnel healthful and content at perform. While sounds is an unfortunate element of functioning on the shop flooring, lowering it can boost productiveness. By reducing distracting sound, employees can focus on their function and connect a lot more properly. That indicates higher good quality function and happier clients. If you’re hunting for a minimal-sound air compressor, be certain to study the guidelines below.
Low sounds air compressors are an exceptional selection for businesses of all sizes. These potent resources can run several resources simultaneously. The two drinking water tanks are manufactured of rust-resistant aluminum and are stackable. This air compressor is heavier and can handle huge work with simplicity. It costs a lot more than other air compressors, but it can deal with a great deal of operate effectively. CZPT Air Tools air compressors occur with a one-year warranty and are hugely advisable by contractors.
Noiseless air compressors are generally more pricey than similar items, but they are really worth the extra price. Noiseless compressors are a great alternative for firms that require to stay away from disturbing nearby folks. For example, you might want to consider a minimal-sound air compressor for a dental place of work, which can’t tolerate sounds. Luckily, this difficulty can be solved by relocating the compressor to a location that is much more isolated from your workspace.
One manufacturer of low-sounds air compressors delivers two versions. The CZPT Air Instruments 2010A functions a massive forged aluminum can, regulating pressure gauge, and two universal swift-connects. It produces sixty eight decibels of sounds when it functions. It has a large 8-gallon gas tank potential and has wheels and handles for simple transport. Its strong engine creates a reduced sounds level of 68 decibels.
An additional popular reduced sounds air compressor is the Makita MAC210Q Quiet Sequence. This model is able of generating up to seventy one.5 decibels of audio, which is the sum of air it creates at 90PSI. The MAC210Q characteristics a durable oil-cost-free pump and weighs just 36 pounds with a take care of and wheels. These compressors are effortless to move and ideal for indoor operate.
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