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 |
|---|---|
| Warranty: | 12 Months |
| Lubrication Style: | Oil-free |
| Cooling System: | Water Cooling |
| Power Source: | AC Power |
| Cylinder Position: | Horizontal |
| Customization: |
Available
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Can air compressors be used for shipbuilding and maritime applications?
Air compressors are widely used in shipbuilding and maritime applications for a variety of tasks and operations. The maritime industry relies on compressed air for numerous essential functions. Here’s an overview of how air compressors are employed in shipbuilding and maritime applications:
1. Pneumatic Tools and Equipment:
Air compressors are extensively used to power pneumatic tools and equipment in shipbuilding and maritime operations. Pneumatic tools such as impact wrenches, drills, grinders, sanders, and chipping hammers require compressed air to function. The versatility and power provided by compressed air make it an ideal energy source for heavy-duty tasks, maintenance, and construction activities in shipyards and onboard vessels.
2. Painting and Surface Preparation:
Air compressors play a crucial role in painting and surface preparation during shipbuilding and maintenance. Compressed air is used to power air spray guns, sandblasting equipment, and other surface preparation tools. Compressed air provides the force necessary for efficient and uniform application of paints, coatings, and protective finishes, ensuring the durability and aesthetics of ship surfaces.
3. Pneumatic Actuation and Controls:
Air compressors are employed in pneumatic actuation and control systems onboard ships. Compressed air is used to operate pneumatic valves, actuators, and control devices that regulate the flow of fluids, control propulsion systems, and manage various shipboard processes. Pneumatic control systems offer reliability and safety advantages in maritime applications.
4. Air Start Systems:
In large marine engines, air compressors are used in air start systems. Compressed air is utilized to initiate the combustion process in the engine cylinders. The compressed air is injected into the cylinders to turn the engine’s crankshaft, enabling the ignition of fuel and starting the engine. Air start systems are commonly found in ship propulsion systems and power generation plants onboard vessels.
5. Pneumatic Conveying and Material Handling:
In shipbuilding and maritime operations, compressed air is used for pneumatic conveying and material handling. Compressed air is utilized to transport bulk materials, such as cement, sand, and grain, through pipelines or hoses. Pneumatic conveying systems enable efficient and controlled transfer of materials, facilitating construction, cargo loading, and unloading processes.
6. Air Conditioning and Ventilation:
Air compressors are involved in air conditioning and ventilation systems onboard ships. Compressed air powers air conditioning units, ventilation fans, and blowers, ensuring proper air circulation, cooling, and temperature control in various ship compartments, cabins, and machinery spaces. Compressed air-driven systems contribute to the comfort, safety, and operational efficiency of maritime environments.
These are just a few examples of how air compressors are utilized in shipbuilding and maritime applications. Compressed air’s versatility, reliability, and convenience make it an indispensable energy source for various tasks and systems in the maritime industry.
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How are air compressors utilized in pneumatic tools?
Air compressors play a crucial role in powering and operating pneumatic tools. Here’s a detailed explanation of how air compressors are utilized in pneumatic tools:
Power Source:
Pneumatic tools rely on compressed air as their power source. The air compressor generates and stores compressed air, which is then delivered to the pneumatic tool through a hose or piping system. The compressed air provides the force necessary for the tool to perform various tasks.
Air Pressure Regulation:
Air compressors are equipped with pressure regulation systems to control the output pressure of the compressed air. Different pneumatic tools require different air pressure levels to operate optimally. The air compressor’s pressure regulator allows users to adjust the output pressure according to the specific requirements of the pneumatic tool being used.
Air Volume and Flow:
Air compressors provide a continuous supply of compressed air, ensuring a consistent air volume and flow rate for pneumatic tools. The air volume is typically measured in cubic feet per minute (CFM) and determines the tool’s performance capabilities. Higher CFM ratings indicate that the pneumatic tool can deliver more power and operate at a faster rate.
Tool Actuation:
Pneumatic tools utilize compressed air to actuate their mechanical components. For example, an air-powered impact wrench uses compressed air to drive the tool’s internal hammer mechanism, generating high torque for fastening or loosening bolts and nuts. Similarly, air-powered drills, sanders, nail guns, and spray guns rely on compressed air to power their respective operations.
Versatility:
One of the significant advantages of pneumatic tools is their versatility, and air compressors enable this flexibility. A single air compressor can power a wide range of pneumatic tools, eliminating the need for separate power sources for each tool. This makes pneumatic tools a popular choice in various industries, such as automotive, construction, manufacturing, and woodworking.
Portability:
Air compressors come in different sizes and configurations, offering varying degrees of portability. Smaller portable air compressors are commonly used in applications where mobility is essential, such as construction sites or remote locations. The portability of air compressors allows pneumatic tools to be used in various work environments without the constraints of being tethered to a fixed power source.
Overall, air compressors are integral to the functionality and operation of pneumatic tools. They provide the necessary power, air pressure regulation, and continuous airflow required for pneumatic tools to perform a wide range of tasks efficiently and effectively.
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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.


editor by CX 2023-10-31