Tag Archives: 55kw screw air compressor

China factory 37kw 55kw 75kw 132kw Variable Speed Rotary Screw Air Compressor manufacturer

Product Description

SPECIFICATION
Model

Pressure

MPa

Flow rate

m³/min

Power

Kw/HP

Noise

dB(A)

Cooling capacity

T/H

Oiling

L

Outlet Dia

G

Weight

Kg

BW-8WA

BW-8WW

0.8 1.05 7.5/10 57 2 10 3/4 360
1.0 0.8

BW-11WA

BW-11WW

0.8 1.72 11/15 60 2.5 26 1 420
1.0 1.42

BW-15WA

BW-15WW

0.8 2.25 15/20 60 3.5 26 1 520
1.0 1.92

BW-18WA

BW-18WW

0.8 3.0 18.5/25 63 4 30 1 670
1.1 2.2

BW-22WA

BW-22WW

0.8 3.65 22/30 63 5 30 1 690
1.0 3.0

BW-30WA

BW-30WW

0.8 5.0 30/40 66 7 40 11/2 840
1.0 3.9

BW-37WA

BW-37WW

0.8 6.3 37/50 66 9 40 11/2 960
1.0 5.33

BW-45WA

BW-45WW

0.8 7.8 45/60 68 10 90 11/2 1080
1.0 6.3

BW-55WA

BW-55WW

0.8 10.1 55/75 69 12 100 11/2 1180
1.0 7.9

1,Are you manufacturer?
BW: Yes, we are professional air compressor manufacturer over 15 years and our factory is located in ZheJiang .

2,How long is your air compressor warranty?
BW: Air end for 2 years,other for 1 year.

3,Do you provide After- sales service parts?
BW: Of course, We could provide easy- consumable spares.

4,How long could your air compressor be used?
BW: Generally, more than 20 years.

5,How about your price?
BW: Based on high quality, Our price is very competitive in this market all over the world.

6,How about your customer service?
BW: For email, we could reply our customers’ emails within 2 hours.

7,Do you support OEM?
BW: YES, and we also provide multiple models to select. How to get quicker quotation?When you send us inquiry, please confirm

Below information at the same time:
* What is the air displacement (m3/min,cfm/min)?
* What is the air pressure (mpa,bar,psi)?
* What is the voltage in your factory (v/p/Hz)?
* It is ok if you need air tank, air dryer and filters.

This information is helpful for us to check suitable equipment solution and quotation quickly

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

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air compressor

How does variable speed drive technology improve air compressor efficiency?

Variable Speed Drive (VSD) technology improves air compressor efficiency by allowing the compressor to adjust its motor speed to match the compressed air demand. This technology offers several benefits that contribute to energy savings and enhanced overall system efficiency. Here’s how VSD technology improves air compressor efficiency:

1. Matching Air Demand:

Air compressors equipped with VSD technology can vary the motor speed to precisely match the required compressed air output. Traditional fixed-speed compressors operate at a constant speed regardless of the actual demand, leading to energy wastage during periods of lower air demand. VSD compressors, on the other hand, ramp up or down the motor speed to deliver the necessary amount of compressed air, ensuring optimal energy utilization.

2. Reduced Unloaded Running Time:

Fixed-speed compressors often run unloaded during periods of low demand, where they continue to consume energy without producing compressed air. VSD technology eliminates or significantly reduces this unloaded running time by adjusting the motor speed to closely follow the air demand. As a result, VSD compressors minimize energy wastage during idle periods, leading to improved efficiency.

3. Soft Starting:

Traditional fixed-speed compressors experience high inrush currents during startup, which can strain the electrical system and cause voltage dips. VSD compressors utilize soft starting capabilities, gradually ramping up the motor speed instead of instantly reaching full speed. This soft starting feature reduces mechanical and electrical stress, ensuring a smooth and controlled startup, and minimizing energy spikes.

4. Energy Savings at Partial Load:

In many applications, compressed air demand varies throughout the day or during different production cycles. VSD compressors excel in such scenarios by operating at lower speeds during periods of lower demand. Since power consumption is proportional to motor speed, running the compressor at reduced speeds significantly reduces energy consumption compared to fixed-speed compressors that operate at a constant speed regardless of the demand.

5. Elimination of On/Off Cycling:

Fixed-speed compressors often use on/off cycling to adjust the compressed air output. This cycling can result in frequent starts and stops, which consume more energy and cause mechanical wear. VSD compressors eliminate the need for on/off cycling by continuously adjusting the motor speed to meet the demand. By operating at a consistent speed within the required range, VSD compressors minimize energy losses associated with frequent cycling.

6. Enhanced System Control:

VSD compressors offer advanced control capabilities, allowing for precise monitoring and adjustment of the compressed air system. These systems can integrate with sensors and control algorithms to maintain optimal system pressure, minimize pressure fluctuations, and prevent excessive energy consumption. The ability to fine-tune the compressor’s output based on real-time demand contributes to improved overall system efficiency.

By utilizing variable speed drive technology, air compressors can achieve significant energy savings, reduce operational costs, and enhance their environmental sustainability by minimizing energy wastage and optimizing efficiency.

air compressor

How do you maintain proper air quality in compressed air systems?

Maintaining proper air quality in compressed air systems is essential to ensure the reliability and performance of pneumatic equipment and the safety of downstream processes. Here are some key steps to maintain air quality:

1. Air Filtration:

Install appropriate air filters in the compressed air system to remove contaminants such as dust, dirt, oil, and water. Filters are typically placed at various points in the system, including the compressor intake, aftercoolers, and before point-of-use applications. Regularly inspect and replace filters to ensure their effectiveness.

2. Moisture Control:

Excessive moisture in compressed air can cause corrosion, equipment malfunction, and compromised product quality. Use moisture separators or dryers to remove moisture from the compressed air. Refrigerated dryers, desiccant dryers, or membrane dryers are commonly employed to achieve the desired level of dryness.

3. Oil Removal:

If the compressed air system utilizes oil-lubricated compressors, it is essential to incorporate proper oil removal mechanisms. This can include coalescing filters or adsorption filters to remove oil aerosols and vapors from the air. Oil-free compressors eliminate the need for oil removal.

4. Regular Maintenance:

Perform routine maintenance on the compressed air system, including inspections, cleaning, and servicing of equipment. This helps identify and address any potential issues that may affect air quality, such as leaks, clogged filters, or malfunctioning dryers.

5. Air Receiver Tank Maintenance:

Regularly drain and clean the air receiver tank to remove accumulated contaminants, including water and debris. Proper maintenance of the tank helps prevent contamination from being introduced into the compressed air system.

6. Air Quality Testing:

Periodically test the quality of the compressed air using appropriate instruments and methods. This can include measuring particle concentration, oil content, dew point, and microbial contamination. Air quality testing provides valuable information about the effectiveness of the filtration and drying processes and helps ensure compliance with industry standards.

7. Education and Training:

Educate personnel working with compressed air systems about the importance of air quality and the proper procedures for maintaining it. Provide training on the use and maintenance of filtration and drying equipment, as well as awareness of potential contaminants and their impact on downstream processes.

8. Documentation and Record-Keeping:

Maintain accurate records of maintenance activities, including filter replacements, drying system performance, and air quality test results. Documentation helps track the system’s performance over time and provides a reference for troubleshooting or compliance purposes.

By implementing these practices, compressed air systems can maintain proper air quality, minimize equipment damage, and ensure the integrity of processes that rely on compressed air.

air compressor

How do oil-lubricated and oil-free air compressors differ?

Oil-lubricated and oil-free air compressors differ in terms of their lubrication systems and the presence of oil in their operation. Here are the key differences:

Oil-Lubricated Air Compressors:

1. Lubrication: Oil-lubricated air compressors use oil for lubricating the moving parts, such as pistons, cylinders, and bearings. The oil forms a protective film that reduces friction and wear, enhancing the compressor’s efficiency and lifespan.

2. Performance: Oil-lubricated compressors are known for their smooth and quiet operation. The oil lubrication helps reduce noise levels and vibration, resulting in a more comfortable working environment.

3. Maintenance: These compressors require regular oil changes and maintenance to ensure the proper functioning of the lubrication system. The oil filter may need replacement, and the oil level should be regularly checked and topped up.

4. Applications: Oil-lubricated compressors are commonly used in applications that demand high air quality and continuous operation, such as industrial settings, workshops, and manufacturing facilities.

Oil-Free Air Compressors:

1. Lubrication: Oil-free air compressors do not use oil for lubrication. Instead, they utilize alternative materials, such as specialized coatings, self-lubricating materials, or water-based lubricants, to reduce friction and wear.

2. Performance: Oil-free compressors generally have a higher airflow capacity, making them suitable for applications where a large volume of compressed air is required. However, they may produce slightly more noise and vibration compared to oil-lubricated compressors.

3. Maintenance: Oil-free compressors typically require less maintenance compared to oil-lubricated ones. They do not need regular oil changes or oil filter replacements. However, it is still important to perform routine maintenance tasks such as air filter cleaning or replacement.

4. Applications: Oil-free compressors are commonly used in applications where air quality is crucial, such as medical and dental facilities, laboratories, electronics manufacturing, and painting applications. They are also favored for portable and consumer-grade compressors.

When selecting between oil-lubricated and oil-free air compressors, consider the specific requirements of your application, including air quality, noise levels, maintenance needs, and expected usage. It’s important to follow the manufacturer’s recommendations for maintenance and lubrication to ensure the optimal performance and longevity of the air compressor.

China factory 37kw 55kw 75kw 132kw Variable Speed Rotary Screw Air Compressor   manufacturer China factory 37kw 55kw 75kw 132kw Variable Speed Rotary Screw Air Compressor   manufacturer
editor by CX 2024-02-15

China OEM 30% Energy Saving Low Noise Industrial VSD Single Rotary Screw Type Air Compressors Price Oil Free Direct Driven Air Compressor 7.5kw 15kw 22kw 37kw 55kw 75kw with Great quality

Product Description

Product Description

The filter system is newly designed for the bipolar compression system, and the reasonable system design is equipped with the top 3 filters to ensure long-term stable operation of the equipment.

Air filter: front cyclone separation plus bipolar air filter with top filter material.
Oil separation core: large filter area plus high-strength metal mesh cover.
Oil Filter: the most extensive filter medium, with low system pressure drop and strong, anti-corrosion shell.

Main Engine Feature

Main Engine
The main engine adopts the design concept of large rotor and low speed, and the spindle speed is 1480. Low noise and vibration.
Two-stage main engine are more energy efficient than single-stage main engine. Under the same working conditions of exhaust volume and exhaust pressure, the energy consumption of the two-stage main engine is reduced by about 15% compared with that of the single-stage main engine. Under the same power consumption and exhaust pressure, the air volume of the two-stage main engine is about 15% larger than that of the single-stage main engine.

Power system:
High-efficiency fully enclosed air-cooled three-phase asynchronous motor, protection grade IP55, insulation grade F, in line with European EFF2 standard. Large starting torque, low noise, more reasonable structure, high efficiency (97%), energy saving, low vibration, reliable performance. Easy installation and maintenance. The front and rear bearings of the motor are the imported SKF bearings, and both are equipped with grease filling ports. 

Cooling system:
The design of the super-large cooler makes the heat exchange efficiency higher, the resistance loss is smaller, and the temperature controls and cools fan’s start and stop, which achieves the operation of the constant temperature, so as to achieve the effect of stable operation and energy saving, and make the whole machine especially suitable for areas with large temperature difference and various different Ambient temperature.
Two super-large cooling fans independently control the start and stop of each fan according to the exhaust temperature of the system, which perfectly fits the operation of the air compressor and saves electricity.

Filtration system:
A new filter system is designed for two-stage compression system. The reasonable system design is equipped with the top 3 filter system to ensure the long-term stable operation of the equipment.

Pipeline connection:
Metal hoses are used in oil roads and gas lines. Beautiful and reliable.

Electrical system:
Select the world’s top Schneider Electric components. Reliable work, high protection level, and strong thermal stability.

Specification

Mode R90‖-20/8 R110‖-24/8 R132‖-28/8

Machine

Set

Exhaust volume (m3/min) 20 24 28
Exhaust pressure (MPa) 0.8 0.8 0.8
Compression level two-stage compression two-stage compression two-stage compression
Motor power(kw) 90 110 132
Motor speed(rpm) 1485 1485 1485
Energy efficiency rating Grade I Grade I Grade I
Power supply(V/P/Hz) 380/3/50 380/3/50 380/3/50
Start method Y-△ Y-△ Y-△
Transmission mode direct connection direct connection direct connection
Connection size DN80 DN80 DN80
Cooling method air cooling air cooling air cooling
Length(mm) 2682 2682 3165
Width(mm) 1680 1680 1680
Height(mm) 1925 1925 1945
Machine weight(kg) 3350 3750 3900

 

Mode R160‖-34/8 R185‖-40/8 R200‖-43/8

Machine

Set

Exhaust volume (m3/min) 34 40 43
Exhaust pressure (MPa) 0.8 0.8 0.8
Compression level two-stage compression two-stage compression two-stage compression
Motor power(kw) 160 185 200
Motor speed(rpm) 1485 1485 1485
Energy efficiency rating Grade I Grade I Grade I
Power supply(V/P/Hz) 380/3/50 380/3/50 380/3/50
Start method Y-△ Y-△ Y-△
Transmission mode direct connection direct connection direct connection
Connection size DN80 DN100 DN100
Cooling method air cooling air cooling air cooling
Length(mm) 3165 3500 3500
Width(mm) 1680 1860 1860
Height(mm) 1945 2100 2100
Machine weight(kg) 4200 4500 4500

Mode R220‖-47/8 R250‖-54/8 R280‖-60/8

Machine

Set

Exhaust volume (m3/min) 47 54 60
Exhaust pressure (MPa) 0.8 0.8 0.8
Compression level two-stage compression two-stage compression two-stage compression
Motor power(kw) 220 250 280
Motor power(rpm) 1485 1485 1485
Energy efficiency rating Grade I Grade I Grade I
Power supply (V/P/Hz) 380/3/50 380/3/50 380/3/50
Start method Y-△ Y-△ Y-△
Transmission mode direct connection direct connection direct connection
Connection size DN100 DN125 DN125
Cooling method air cooling Water cooling Water cooling
Length(mm) 3500 4240 4240
Width(mm) 1860 2000 2000
Height(mm) 2100 2100 2100
Machine weight(kg) 4600 6500 6700

 

Mode R315‖-67.5/8

Machine

Set

Exhaust volume (m3/min) 67.5
Exhaust pressure (MPa) 0.8
Compression level two-stage compression
Motor power(kw) 315
Motor speed(rpm) 1485
Energy efficiency rating Grade I
Power supply (V/P/Hz) 380/3/50
Start method Y-△
Transmission mode direct connection
Connection size DN125
Cooling method water cooling
Length(mm) 4240
Width(mm) 2000
Height(mm) 2100
Machine weight(kg) 7200

 

 

Specification
 

Mode G7EZ GV7M GV15M GV22M GV37M

Machine

Set

Exhaust volume(m³/min) 1 1 2.0 3.4 6.1
Exhaust pressure (MPa) 0.8 0.8 0.8 0.8 0.8
Compression level single stage single stage single stage single stage single stage
Motor power(kW) 7.5 7.5 15 22 37
Motor speed rmp) 2900 3600 3000 3000 3000
Energy efficiency rating Grade III Grade III Grade III Grade III Grade III
Power supply (V/P/Hz) 380/3/50 380/3/50 380/3/50 380/3/50 380/3/50
Start method frequency conversion frequency conversion frequency conversion frequency conversion
Transmission mode direct connection direct connection direct connection direct connection direct connection
Outlet size G3/4″ G1/2″ G1″ G1″ G1 1/2″
Cooling method air cooling air cooling air cooling air cooling air cooling
Length ×Width x Height (mm) 710×580×
810
710×580×
810
1170×690×
940
1050×880×1260 1200×1000×1430
Machine weight (kg) 220 220 350 450 550

 

After-sales Service: Online
Lubrication Style: Lubricated
Cooling System: Air Cooling
Customization:
Available

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air compressor

How are air compressors utilized in the aerospace industry?

Air compressors play a crucial role in various applications within the aerospace industry. They are utilized for a wide range of tasks that require compressed air or gas. Here are some key uses of air compressors in the aerospace industry:

1. Aircraft Systems:

Air compressors are used in aircraft systems to provide compressed air for various functions. They supply compressed air for pneumatic systems, such as landing gear operation, braking systems, wing flap control, and flight control surfaces. Compressed air is also utilized for starting aircraft engines and for cabin pressurization and air conditioning systems.

2. Ground Support Equipment:

Air compressors are employed in ground support equipment used in the aerospace industry. They provide compressed air for tasks such as inflating aircraft tires, operating pneumatic tools for maintenance and repair, and powering air-driven systems for fueling, lubrication, and hydraulic operations.

3. Component Testing:

Air compressors are utilized in component testing within the aerospace industry. They supply compressed air for testing and calibrating various aircraft components, such as valves, actuators, pressure sensors, pneumatic switches, and control systems. Compressed air is used to simulate operating conditions and evaluate the performance and reliability of these components.

4. Airborne Systems:

In certain aircraft, air compressors are employed for specific airborne systems. For example, in military aircraft, air compressors are used for air-to-air refueling systems, where compressed air is utilized to transfer fuel between aircraft in mid-air. Compressed air is also employed in aircraft de-icing systems, where it is used to inflate inflatable de-icing boots on the wing surfaces to remove ice accumulation during flight.

5. Environmental Control Systems:

Air compressors play a critical role in the environmental control systems of aircraft. They supply compressed air for air conditioning, ventilation, and pressurization systems, ensuring a comfortable and controlled environment inside the aircraft cabin. Compressed air is used to cool and circulate air, maintain desired cabin pressure, and control humidity levels.

6. Engine Testing:

In the aerospace industry, air compressors are utilized for engine testing purposes. They provide compressed air for engine test cells, where aircraft engines are tested for performance, efficiency, and durability. Compressed air is used to simulate different operating conditions and loads on the engine, allowing engineers to assess its performance and make necessary adjustments or improvements.

7. Oxygen Systems:

In aircraft, air compressors are involved in the production of medical-grade oxygen for onboard oxygen systems. Compressed air is passed through molecular sieve beds or other oxygen concentrator systems to separate oxygen from other components of air. The generated oxygen is then supplied to the onboard oxygen systems, ensuring a sufficient and continuous supply of breathable oxygen for passengers and crew at high altitudes.

It is important to note that air compressors used in the aerospace industry must meet stringent quality and safety standards. They need to be reliable, efficient, and capable of operating under demanding conditions to ensure the safety and performance of aircraft systems.

air compressor

How does the horsepower of an air compressor affect its capabilities?

The horsepower of an air compressor is a crucial factor that directly impacts its capabilities and performance. Here’s a closer look at how the horsepower rating affects an air compressor:

Power Output:

The horsepower rating of an air compressor indicates its power output or the rate at which it can perform work. Generally, a higher horsepower rating translates to a greater power output, allowing the air compressor to deliver more compressed air per unit of time. This increased power output enables the compressor to operate pneumatic tools and equipment that require higher air pressure or greater airflow.

Air Pressure:

The horsepower of an air compressor is directly related to the air pressure it can generate. Air compressors with higher horsepower ratings have the capacity to produce higher air pressures. This is particularly important when operating tools or machinery that require specific air pressure levels to function optimally. For example, heavy-duty pneumatic tools like jackhammers or impact wrenches may require higher air pressure to deliver the necessary force.

Air Volume:

In addition to air pressure, the horsepower of an air compressor also affects the air volume or airflow it can provide. Higher horsepower compressors can deliver greater volumes of compressed air, measured in cubic feet per minute (CFM). This increased airflow is beneficial when using pneumatic tools that require a continuous supply of compressed air, such as paint sprayers or sandblasters.

Duty Cycle:

The horsepower rating of an air compressor can also influence its duty cycle. The duty cycle refers to the amount of time an air compressor can operate continuously before it needs to rest and cool down. Higher horsepower compressors often have larger and more robust components, allowing them to handle heavier workloads and operate for longer periods without overheating. This is particularly important in demanding applications where continuous and uninterrupted operation is required.

Size and Portability:

It’s worth noting that the horsepower rating can also affect the physical size and portability of an air compressor. Higher horsepower compressors tend to be larger and heavier due to the need for more substantial motors and components to generate the increased power output. This can impact the ease of transportation and maneuverability, especially in portable or mobile applications.

When selecting an air compressor, it is essential to consider the specific requirements of your intended applications. Factors such as desired air pressure, airflow, duty cycle, and portability should be taken into account. It’s important to choose an air compressor with a horsepower rating that aligns with the demands of the tools and equipment you plan to operate, ensuring optimal performance and efficiency.

Consulting the manufacturer’s specifications and guidelines can provide valuable information on how the horsepower rating of an air compressor corresponds to its capabilities and suitability for different tasks.

air compressor

What are the safety considerations when operating an air compressor?

Operating an air compressor requires careful attention to safety to prevent accidents, injuries, and equipment damage. Here are some important safety considerations to keep in mind:

1. Read the Manual: Before operating an air compressor, thoroughly read and understand the manufacturer’s instruction manual. Familiarize yourself with the specific safety guidelines, recommended operating procedures, and any specific precautions or warnings provided by the manufacturer.

2. Proper Ventilation: Ensure that the area where the air compressor is operated has adequate ventilation. Compressed air can produce high levels of heat and exhaust gases. Good ventilation helps dissipate heat, prevent the buildup of fumes, and maintain a safe working environment.

3. Personal Protective Equipment (PPE): Always wear appropriate personal protective equipment, including safety glasses or goggles, hearing protection, and non-slip footwear. Depending on the task, additional PPE such as gloves, a dust mask, or a face shield may be necessary to protect against specific hazards.

4. Pressure Relief: Air compressors should be equipped with pressure relief valves or devices to prevent overpressurization. Ensure that these safety features are in place and functioning correctly. Regularly inspect and test the pressure relief mechanism to ensure its effectiveness.

5. Secure Connections: Use proper fittings, hoses, and couplings to ensure secure connections between the air compressor, air tools, and accessories. Inspect all connections before operation to avoid leaks or sudden hose disconnections, which can cause injuries or damage.

6. Inspect and Maintain: Regularly inspect the air compressor for any signs of damage, wear, or leaks. Ensure that all components, including hoses, fittings, and safety devices, are in good working condition. Follow the manufacturer’s recommended maintenance schedule to keep the compressor in optimal shape.

7. Electrical Safety: If the air compressor is electric-powered, take appropriate electrical safety precautions. Use grounded outlets and avoid using extension cords unless approved for the compressor’s power requirements. Protect electrical connections from moisture and avoid operating the compressor in wet or damp environments.

8. Safe Start-Up and Shut-Down: Properly start and shut down the air compressor following the manufacturer’s instructions. Ensure that all air valves are closed before starting the compressor and release all pressure before performing maintenance or repairs.

9. Training and Competence: Ensure that operators are adequately trained and competent in using the air compressor and associated tools. Provide training on safe operating procedures, hazard identification, and emergency response protocols.

10. Emergency Preparedness: Have a clear understanding of emergency procedures and how to respond to potential accidents or malfunctions. Know the location of emergency shut-off valves, fire extinguishers, and first aid kits.

By adhering to these safety considerations and implementing proper safety practices, the risk of accidents and injuries associated with operating an air compressor can be significantly reduced. Prioritizing safety promotes a secure and productive working environment.

China OEM 30% Energy Saving Low Noise Industrial VSD Single Rotary Screw Type Air Compressors Price Oil Free Direct Driven Air Compressor 7.5kw 15kw 22kw 37kw 55kw 75kw   with Great qualityChina OEM 30% Energy Saving Low Noise Industrial VSD Single Rotary Screw Type Air Compressors Price Oil Free Direct Driven Air Compressor 7.5kw 15kw 22kw 37kw 55kw 75kw   with Great quality
editor by CX 2023-11-08