Product Description
Specification(VSD series) | ||||||
Model | Capacity M3/min | Power kw | Noise level db | Weight KG | ||
3.5~10bar | Water Cooling | Air Cooling | ||||
OFA1VSD | OFA15VSD | 1.1-3.3 | 15 | 74 | 930 | |
OFA22VSD | 4.5-5.6 | 22 | 74 | 1150 | ||
OFA30VSD | 4-6.6 | 30 | 74 | 1300 | ||
OFW37VSD | 5-8.4 | 37 | 74 | 1600 | ||
OFW45VSD | 6.1-11.1 | 45 | 74 | 1750 | ||
OFA2VSD | OFA55VSD | 7.3-9.4 | 55 | 74 | 1900 | |
OFA75VSD | 10.7-12.4 | 75 | 74 | 2630 | ||
OFA90VSD | 12.7-15.4 | 90 | 74 | 2700 | ||
OFA3VSD | OFA110VSD | 16.0-19.5 | 110 | 74 | ||
OFA132VSD | 18.8-21.8 | 132 | 74 | 4300 | ||
OFA160VSD | 24.0-29.6 | 160 | 74 | 4300 | ||
OFA4VSD | OFA200VSD | 12.2-36.6 | 200 | 74 | ||
OFA250VSD | 14.2-41.8 | 250 | 74 | 6950 | ||
OFA275VSD | 15.8-47.4 | 275 | 74 | |||
OFA315VSD | 45.0-52.1 | 315 | 74 | 6950 | ||
OFA5VSD | OFA355VSD | 50.4-57.5 | 355 | 74 | ||
OFW1VSD | OFW37VSD | 2-5.9 | 37 | 74 | ||
OFW45VSD | 2.3-7 | 45 | 74 | |||
OFW2VSD | OFW55VSD | 4.5-8.8 | 55 | 74 | ||
OFW75VSD | 4.5-13.2 | 75 | 74 | 2170 | ||
OFW90VSD | 4.5-15.5 | 90 | 74 | 2220 | ||
OFW3VSD | OFW110VSD | 6.4-19.1 | 110 | 74 | ||
OFW132VSD | 7.7-22.4 | 132 | 74 | 3500 | ||
OFW160VSD | 14.5-42.9 | 160 | 74 | 3500 | ||
OFW4VSD | OFW200VSD | 18-36.1 | 200 | 74 | ||
OFW250VSD | 19.-38.4 | 250 | 74 | 6400 | ||
OFW275VSD | 20.0-41.0 | 275 | 74 | |||
OFW315VSD | 46.0-50.9 | 315 | 74 | 6650 | ||
OFW5VSD | OFW355VSD | 50.4-56.3 | 355 | 74 | 6950 | |
OFW400VSD | 55.8-62.1 | 400 | 74 | 7060 | ||
OFW450VSD | 63.8-76.5 | 450 | 74 | 8400 | ||
OFW500VSD | 73.1-83.9 | 500 | 74 | 8400 | ||
OFW630VSD | 89.0-102.9 | 630 | 74 | 9125 | ||
OFW750VSD | 101.8-122.8 | 750 | 74 | 9225 |
Company Profile |
ZheJiang Napu compressor Technology Co.,LTD was established in 2012 based in ZheJiang ,specializing in oil-free rotary screw air compressors, offering a wide range of products from airends to compressors .
With over 10 years experience in oil free screw air compressor. NAPU Compressor is compliant with ISO 8573-1, Class 0 standard and audited by TUV Rheinland and China National Quality Inspection Center of Compressor and Refrigerator.
The company is also compliant with ISO 9001:14001 and is CHINAMFG in the domestic market for its quality-driven culture. The oil-free compressors manufactured by the company are used in a variety of sectors including some of our valued clients like CASC-China Aerospace Science Corporation, NORINCO-China North Industries Group, CNNC-China National Nuclear Group, CHANG AN AUTO, SINOPHARM, BYD and CALT and Sino-Chemical etc.
Continuous improvement in productivity and efficiency is our goal, and we continue to offer an extensive services including our own branded oil-free compressor package as well as after-sales services for other leading brands.
Product Features |
1. In house designed airend
2. 100% oil free air certified by Germany TUV.
3. Double-layer structure to reduce he noise.
4. Air Cooling and Water cooling are available.
5. VSD control are available.
6.Touch Screen PLC with preset running schedule, more intelligent control.
7.OEM&ODM service are accepted
FAQ |
Q1. Are you trading company or manufacture ?
A: We are professional manufacture of oil free air compressors. More than 20 years of experience in air compressor manufacturing.
Q2. What’s payment term ?
A: T/T, Western Union, Paypal, Credit Card, and etc. Also we could accept USD, RMB, Euro and other currency.
Q3. How about your after-sales service ?
A: 1.We can provide customers with installation and commissioning online instructions.
Q4. How about your warranty?
A: One year for the whole machine and 5 years for screw air end, except consumable spare parts.
Q5. Do you have any certificate ?
A: Yes, we can offer CE ,ISO and certificate as clients’ demande.
Q6. How do you control quality ?
A: 1. The raw materials are strictly inspected
2. Each compressor must pass at least 8 hours of continuous testing before leaving the factory.
Q7.How long could your air compressor be used?
A: Usually, more than over 10 years.
Napu Model No. | Working pressure | FAD | Dimension(L*W*Hmm) | Weight (kg) | Speed RPM | Air outlet pipe diameter | Power | Air Cooling capacity | ||
BarG | m3/min | mm | mm | mm | kg | rpm | kW | m3/h | ||
OFW55VSD | 7.5 | 4.5-8.8 | 2100 | 1450 | 2000 | 2080 | 2970 | DN50 | / | / |
8.6 | 4.4 – 8.4 | |||||||||
10.4 | 3.8-7.3 | |||||||||
OFW75VSD | 7.5 | 7-14 | 2100 | 2975 | ||||||
8.6 | 6.6-13.4 | |||||||||
10.4 | 5.8-12.1 | |||||||||
OFW90VSD | 7.5 | 7.5-15.9 | 2150 | 2975 | ||||||
8.6 | 7.5-15.7 | |||||||||
10.4 | 7-14.1 | |||||||||
OFA110VSD | 7.5 | 8.7-18.4 | 2600 | 1650 | 2300 | 3750 | 2980 | DN80 | 11 | 30000 |
8.6 | 8.1-17.2 | |||||||||
10 | 7.5-16 | |||||||||
OFA132VSD | 7.5 | 10.6-21.8 | 3850 | 2980 | ||||||
8.6 | 9.3-19.5 | |||||||||
10 | 9.2-19 | |||||||||
OFA145VSD | 7.5 | 10-23.2 | 3950 | 2980 | ||||||
8.6 | 10-21.5 | |||||||||
10 | 9.5-19.9 | |||||||||
OFA160VSD | 7.5 | 12-27.9 | 4050 | 2980 | ||||||
8.6 | 12-25.7 | |||||||||
10 | 11-23.8 | |||||||||
OFW110VSD | 7.5 | 9-19.1 | 2600 | 1650 | 1800 | 2700 | 2980 | DN80 | / | / |
8.6 | 8.3-17.1 | |||||||||
10 | 7.5-16 | |||||||||
OFW132VSD | 7.5 | 11~23 | 2840 | 2980 | ||||||
8.6 | 10-22.6 | |||||||||
10 | 10-20.4 | |||||||||
OFW145VSD | 7.5 | 10-23.5 | 2980 | 2980 | ||||||
8.6 | 10-21.7 | |||||||||
10 | 10-20.1 | |||||||||
OFW160VSD | 7.5 | 12~26 | 3571 | 2980 | ||||||
8.6 | 12-25.1 | |||||||||
10 | 11-23.2 | |||||||||
OFA200VSD | 7.5 | 16-34.1 | 3100 | 1650 | 2400 | 5600 | 1490 | DN80 | 15 | 40000 |
8.6 | 15-31.3 | |||||||||
10 | 15-30 | |||||||||
OFA250VSD | 7.5 | 21-42.4 | 5800 | 1490 | ||||||
8.6 | 20-40.4 | |||||||||
10 | 18-36.8 | |||||||||
OFA275VSD | 7.5 | 22-44.3 | 5850 | 1490 | 18.5 | 50000 | ||||
8.6 | 21-42.4 | |||||||||
10 | 20-40.4 | |||||||||
OFA315VSD | 7.5 | 17.1-51.4 | ||||||||
8.6 | 15.8-47.6 | |||||||||
10 | 15.3-46 |
After-sales Service: | Online Support |
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Warranty: | 12 Months |
Lubrication Style: | Oil-free |
Cooling System: | Air Cooling |
Power Source: | AC Power |
Cylinder Position: | Horizontal |
Customization: |
Available
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Can air compressors be used for gas compression and storage?
Yes, air compressors can be used for gas compression and storage. While air compressors are commonly used to compress and store air, they can also be utilized for compressing and storing other gases, depending on the specific application requirements. Here’s how air compressors can be used for gas compression and storage:
Gas Compression:
Air compressors can compress various gases by utilizing the same principles applied to compressing air. The compressor takes in the gas at a certain pressure, and through the compression process, it increases the pressure and reduces the volume of the gas. This compressed gas can then be used for different purposes, such as in industrial processes, gas pipelines, or storage systems.
Gas Storage:
Air compressors can also be used for gas storage by compressing the gas into storage vessels or tanks. The compressed gas is stored at high pressure within these vessels until it is needed for use. Gas storage is commonly employed in industries where a continuous and reliable supply of gas is required, such as in natural gas storage facilities or for storing compressed natural gas (CNG) used as a fuel for vehicles.
Gas Types:
While air compressors are primarily designed for compressing air, they can be adapted to handle various gases, including but not limited to:
- Nitrogen
- Oxygen
- Hydrogen
- Carbon dioxide
- Natural gas
- Refrigerant gases
It’s important to note that when using air compressors for gas compression and storage, certain considerations must be taken into account. These include compatibility of the compressor materials with the specific gas being compressed, ensuring proper sealing to prevent gas leaks, and adhering to safety regulations and guidelines for handling and storing compressed gases.
By leveraging the capabilities of air compressors, it is possible to compress and store gases efficiently, providing a reliable supply for various industrial, commercial, and residential applications.
How are air compressors used in refrigeration and HVAC systems?
Air compressors play a vital role in refrigeration and HVAC (Heating, Ventilation, and Air Conditioning) systems, providing the necessary compression of refrigerant gases and facilitating the heat transfer process. Here are the key ways in which air compressors are used in refrigeration and HVAC systems:
1. Refrigerant Compression:
In refrigeration systems, air compressors are used to compress the refrigerant gas, raising its pressure and temperature. This compressed gas then moves through the system, where it undergoes phase changes and heat exchange to enable cooling or heating. The compressor is the heart of the refrigeration cycle, as it pressurizes and circulates the refrigerant.
2. Refrigeration Cycle:
The compression of refrigerant gas by the air compressor is an essential step in the refrigeration cycle. After compression, the high-pressure, high-temperature gas flows to the condenser, where it releases heat and condenses into a liquid. The liquid refrigerant then passes through an expansion valve or device, which reduces its pressure and temperature. This low-pressure, low-temperature refrigerant then enters the evaporator, absorbing heat from the surrounding environment and evaporating back into a gas. The cycle continues as the gas returns to the compressor for re-compression.
3. HVAC Cooling and Heating:
In HVAC systems, air compressors are used to facilitate cooling and heating processes. The compressor compresses the refrigerant gas, which allows it to absorb heat from the indoor environment in the cooling mode. The compressed gas releases heat in the outdoor condenser unit and then circulates back to the compressor to repeat the cycle. In the heating mode, the compressor reverses the refrigeration cycle, absorbing heat from the outdoor air or ground source and transferring it indoors.
4. Air Conditioning:
Air compressors are an integral part of air conditioning systems, which are a subset of HVAC systems. Compressed refrigerant gases are used to cool and dehumidify the air in residential, commercial, and industrial buildings. The compressor pressurizes the refrigerant, initiating the cooling cycle that removes heat from the indoor air and releases it outside.
5. Compressor Types:
Refrigeration and HVAC systems utilize different types of air compressors. Reciprocating compressors, rotary screw compressors, and scroll compressors are commonly used in these applications. The selection of the compressor type depends on factors such as system size, capacity requirements, efficiency, and application-specific considerations.
6. Energy Efficiency:
Efficient operation of air compressors is crucial for refrigeration and HVAC systems. Energy-efficient compressors help minimize power consumption and reduce operating costs. Additionally, proper compressor sizing and system design contribute to the overall energy efficiency of refrigeration and HVAC systems.
By effectively compressing refrigerant gases and facilitating the heat transfer process, air compressors enable the cooling and heating functions in refrigeration and HVAC systems, ensuring comfortable indoor environments and efficient temperature control.
How does an air compressor work?
An air compressor works by using mechanical energy to compress and pressurize air, which is then stored and used for various applications. Here’s a detailed explanation of how an air compressor operates:
1. Air Intake: The air compressor draws in ambient air through an intake valve or filter. The air may pass through a series of filters to remove contaminants such as dust, dirt, and moisture, ensuring the compressed air is clean and suitable for its intended use.
2. Compression: The intake air enters a compression chamber, typically consisting of one or more pistons or a rotating screw mechanism. As the piston moves or the screw rotates, the volume of the compression chamber decreases, causing the air to be compressed. This compression process increases the pressure and reduces the volume of the air.
3. Pressure Build-Up: The compressed air is discharged into a storage tank or receiver where it is held at a high pressure. The tank allows the compressed air to be stored for later use and helps to maintain a consistent supply of compressed air, even during periods of high demand.
4. Pressure Regulation: Air compressors often have a pressure regulator that controls the output pressure of the compressed air. This allows the user to adjust the pressure according to the requirements of the specific application. The pressure regulator ensures that the compressed air is delivered at the desired pressure level.
5. Release and Use: When compressed air is needed, it is released from the storage tank or receiver through an outlet valve or connection. The compressed air can then be directed to the desired application, such as pneumatic tools, air-operated machinery, or other pneumatic systems.
6. Continued Operation: The air compressor continues to operate as long as there is a demand for compressed air. When the pressure in the storage tank drops below a certain level, the compressor automatically starts again to replenish the compressed air supply.
Additionally, air compressors may include various components such as pressure gauges, safety valves, lubrication systems, and cooling mechanisms to ensure efficient and reliable operation.
In summary, an air compressor works by drawing in air, compressing it to increase its pressure, storing the compressed air, regulating the output pressure, and releasing it for use in various applications. This process allows for the generation of a continuous supply of compressed air for a wide range of industrial, commercial, and personal uses.
editor by CX 2023-10-25