China Professional Air Compressor Machine Electric Silent Oil Free Air Compressor Machine air compressor portable

Product Description




Flow rate






Cooling capacity




Outlet Dia






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



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



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



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



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



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



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



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



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


air compressor

How Do Oil-Free Compressors Contribute to Clean Compressed Air?

Oil-free compressors play a crucial role in delivering clean compressed air for various applications. Their design and operation eliminate the risk of oil contamination, ensuring the quality and purity of the compressed air output. Here’s a detailed explanation of how oil-free compressors contribute to providing clean compressed air:

1. Elimination of Oil Contamination:

The primary advantage of oil-free compressors is that they eliminate the presence of oil in the compressed air stream. In traditional oil-lubricated compressors, lubricating oil is used to reduce friction, cool the compressor, and seal internal components. However, this oil can contaminate the compressed air, leading to potential issues in sensitive applications such as food and beverage production, pharmaceuticals, electronics manufacturing, and painting. Oil-free compressors eliminate the risk of oil carryover, ensuring that the compressed air remains free from oil contaminants.

2. Advanced Filtration Systems:

Oil-free compressors are equipped with advanced filtration systems to remove particulates, moisture, and other contaminants from the intake air. These filtration systems typically consist of pre-filters, coalescing filters, and activated carbon filters. Pre-filters remove larger particles, while coalescing filters capture smaller particles and coalesce water vapor into droplets. Activated carbon filters help eliminate odors and absorb any remaining oil vapors or hydrocarbons. These filtration stages work together to ensure that the compressed air is clean, dry, and free from contaminants.

3. Enhanced Air Quality:

By eliminating oil contamination and incorporating effective filtration systems, oil-free compressors contribute to enhanced air quality in compressed air systems. Clean compressed air is essential in applications where air purity is critical to product quality, process integrity, and the health and safety of personnel. For example, in the food and beverage industry, oil-free compressors help maintain the purity of compressed air used in food processing, packaging, and storage, preventing any potential product contamination. Similarly, in pharmaceutical manufacturing, oil-free compressors ensure that the compressed air meets the stringent air quality standards required for drug production.

4. Reduced Maintenance Requirements:

Oil-free compressors have lower maintenance requirements compared to oil-lubricated compressors. The absence of oil means there is no need for oil changes, oil filter replacements, or oil analysis. This not only reduces maintenance costs but also eliminates the risk of oil leaks or oil-related component failures. Furthermore, without oil in the system, there is no need for oil-water separation equipment, reducing the complexity and maintenance needs of the compressed air system. The simplified maintenance routine contributes to the overall cleanliness and reliability of the compressed air supply.

5. Compliance with Industry Standards:

Oil-free compressors are designed and built to comply with industry standards and regulations related to air quality and purity. These standards, such as ISO 8573, define specific limits for contaminants in compressed air, including oil content, particulate matter, and moisture. Oil-free compressors are engineered to meet or exceed these standards, ensuring that the compressed air generated is suitable for use in critical applications. Compliance with industry standards provides assurance to users that the compressed air is clean and meets the required specifications.

Oil-free compressors are highly valued in industries where clean compressed air is essential. Their ability to eliminate oil contamination, incorporate advanced filtration systems, deliver enhanced air quality, reduce maintenance requirements, and comply with industry standards makes them an ideal choice for applications that demand clean and reliable compressed air.

air compressor

Can Oil-Free Compressors Be Integrated into Existing Systems?

Yes, oil-free compressors can be integrated into existing systems in many cases. Here’s a detailed explanation of the integration possibilities and considerations when incorporating oil-free compressors into existing systems:

1. Compatibility:

Before integrating an oil-free compressor into an existing system, it’s important to assess the compatibility between the compressor and the system. Consider factors such as the required air pressure and flow rate, the electrical requirements, and the physical space available for installation. Compare these requirements with the capabilities and specifications of the oil-free compressor to ensure a suitable match.

2. Installation:

The installation process may vary depending on the specific system and compressor configuration. In some cases, it may be a straightforward replacement of the existing compressor with the oil-free compressor. However, certain modifications or adjustments may be necessary to accommodate the differences between oil-lubricated and oil-free compressors. For example, oil-free compressors may require additional filtration or moisture removal equipment to maintain the desired air quality. It’s essential to follow the manufacturer’s installation guidelines and consult with qualified professionals if needed.

3. Piping and Connections:

When integrating an oil-free compressor into an existing system, the piping and connections need to be evaluated. The existing piping should be inspected for any potential issues such as leaks, corrosion, or inadequate sizing. Depending on the specific requirements of the oil-free compressor, modifications to the piping system may be necessary to ensure proper airflow, pressure drop, and connection compatibility. It’s crucial to ensure that the piping system can handle the air volume and pressure generated by the oil-free compressor without any restrictions or safety risks.

4. Control and Monitoring:

Integrating an oil-free compressor into an existing system may involve adjustments to the control and monitoring components. The control system should be capable of effectively operating and regulating the oil-free compressor based on the desired air pressure and flow requirements. This may require reprogramming or reconfiguring the control settings to accommodate the specific features and functionalities of the oil-free compressor. Additionally, monitoring systems should be updated to include relevant parameters specific to oil-free compressor operation, such as air purity levels or maintenance alerts.

5. Training and Familiarization:

When integrating an oil-free compressor into an existing system, it’s important to provide training and familiarization to the personnel responsible for operating and maintaining the equipment. The differences between oil-lubricated and oil-free compressors should be clearly explained, including any specific maintenance requirements or operational considerations. Training sessions can help ensure that the staff understands the new equipment and can effectively operate and maintain it in a safe and efficient manner.

6. Benefits and Considerations:

Integrating an oil-free compressor into an existing system offers several benefits. It can improve air quality, eliminate the risk of oil contamination, and enhance the performance and reliability of the compressed air system. However, it’s important to consider the initial investment costs, potential modifications required, and the overall compatibility with the existing system. Conducting a thorough cost-benefit analysis and consulting with experts can help determine the feasibility and potential advantages of integrating an oil-free compressor into the existing system.

In summary, oil-free compressors can generally be integrated into existing systems with proper assessment, planning, and installation procedures. Evaluating compatibility, ensuring appropriate installation, addressing piping and connection requirements, adjusting control and monitoring systems, providing adequate training, and considering the associated benefits and considerations are crucial steps in successfully integrating an oil-free compressor into an existing system.

air compressor

What Is an Oil-Free Air Compressor?

An oil-free air compressor, also known as an oilless air compressor, is a type of air compressor that operates without the use of lubricating oil in the compression chamber. Unlike traditional air compressors that rely on oil for lubrication and sealing, oil-free compressors employ alternative methods to achieve compression and deliver clean, oil-free compressed air. Here’s a detailed explanation of how oil-free air compressors work and their key characteristics:

Working Principle:

Oil-free air compressors utilize various techniques to compress air without the need for oil. The most common methods include:

  • Dry Compression: In this method, the compression chamber doesn’t have any oil present. Special materials, coatings, and surface treatments are used to reduce friction and wear between the moving parts, allowing for efficient compression without oil lubrication.
  • Water or Air Cooling: Oil-free compressors often employ advanced cooling mechanisms, such as water or air cooling, to dissipate the heat generated during compression. This helps to maintain the operating temperature within acceptable limits and ensures the longevity of the compressor.
  • Piston Rings and Seals: Instead of relying on oil for lubrication and sealing, oil-free compressors use specialized piston rings, seals, or other forms of dry frictionless technology. These components provide the necessary sealing and reduce internal friction, allowing for efficient compression without the need for oil.

Characteristics of Oil-Free Air Compressors:

1. Clean and Oil-Free Air: The primary advantage of oil-free air compressors is that they deliver air that is free from oil contamination. This makes them suitable for applications where oil contamination can be detrimental, such as in the medical, pharmaceutical, food and beverage, electronics, and automotive industries.

2. Low Maintenance: Oil-free compressors typically require less maintenance compared to oil-lubricated compressors. Since there is no oil to change or monitor, maintenance tasks related to oil filtration, oil changes, and oil disposal are eliminated. This can result in cost savings and reduced downtime.

3. Compact and Lightweight: Oil-free compressors are often designed to be compact and lightweight, making them portable and easy to transport. This makes them suitable for applications where mobility is required, such as construction sites, workshops, and on-site maintenance tasks.

4. No Oil Contamination Risk: With oil-free compressors, there is no risk of oil contaminating the compressed air system. This eliminates the need for additional filtration or separation equipment to remove oil from the compressed air, simplifying the overall system design.

5. Lower Initial Cost: In general, oil-free compressors tend to have a lower initial cost compared to oil-lubricated compressors. This can be advantageous for applications with budget constraints or when the specific requirements of the application align with the capabilities of oil-free compressors.

It’s important to note that oil-free air compressors may have certain limitations compared to oil-lubricated compressors. They may have lower maximum operating pressures and higher operating temperatures. Additionally, the absence of oil lubrication may result in slightly reduced efficiency and increased wear on certain components over time.

By understanding the working principle and characteristics of oil-free air compressors, users can determine whether this type of compressor is suitable for their specific application and requirements.

China Professional Air Compressor Machine Electric Silent Oil Free Air Compressor Machine   air compressor portableChina Professional Air Compressor Machine Electric Silent Oil Free Air Compressor Machine   air compressor portable
editor by CX 2024-02-16

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