China OEM CNG Air Compressor Manufacturers with Stable Quality for Sale portable air compressor

Product Description

Product Description

High-Pressure Air Compressor Unit

The high-pressure air compressor unit from Xihu (West Lake) Dis. Kunsheng Machinery Manufacturing Co., Ltd. is a reliable and efficient solution for various industrial applications. It is composed of the compressor host, driving machine (motor), interstage cooler, compressed air separation, purification devices, and safety features.

When in operation, the driving machine powers the compressor, which compresses free air to a specific pressure. The compressed air goes through cooling and separation stages to remove oil and condensate, ensuring the final output is clean, odorless, and suitable for filling high-pressure steel cylinders.

The compressor’s main engine features a three-level compression and V-shaped structure, with components like crankcase, crankshaft, piston, and air valve. It is driven by an electric motor and utilizes splash lubrication for optimal performance and longevity.

Overall, this piston compressor is designed for durability, efficiency, and ease of maintenance, making it a valuable asset for industrial operations.

Detailed Photos


Product Parameters

CNG Engine by Xihu (West Lake) Dis. Kunsheng Machinery Manufacturing Co., Ltd.

CNG, or Compressed Natural Gas, is a clean and efficient fuel source that powers vehicles with lower emissions. Our CNG engine, designed for large cars and buses, utilizes high-pressure compressed natural gas for optimal performance.

Key Features:

  • Utilizes compressed natural gas as fuel
  • High-pressure reducer for precise pressure adjustment
  • Electronic pressure regulator for efficient gas supply control
  • Spark plug ignition system for combustion
  • Oxygen sensor for monitoring exhaust gas and adjusting air-fuel ratio


  • Reduces emissions for a cleaner environment
  • Cost-effective fuel source compared to traditional gasoline
  • Precise control of gas supply for optimal engine performance
  • Efficient combustion process for enhanced fuel efficiency

Experience the power and efficiency of CNG with our high-quality CNG engine. Contact Xihu (West Lake) Dis. Kunsheng Machinery Manufacturing Co., Ltd. today for more information.

model 2.5/(2-4) -250 type Compression level customization
Refrigerant type natural gas flow 2.5 cubic CHINAMFG per minute
Intake pressure 0.2-0.4MPa Outlet pressure 25MPa
Drive mode Direct connection Installation method Fixed and Foundation
Compressor speed 980 rpm Equipped with power supply 380V/50 Hz
OEM contract manufacturing Yes Starting method customization
External dimensions customization Electrical brand choice
technical guidance provide Factory inspection provide
Transport kit Foreign trade packaging origin Xihu (West Lake) Dis., China

Our Advantages

Welcome to Xihu (West Lake) Dis. Kunsheng Machinery Manufacturing Co., Ltd.

Discover our top-quality trailers with competitive factory prices and over 20 years of partner experience. Our products are certified by SGS, CCC, and ISO for excellent quality assurance. Enjoy comprehensive after-sales service and customization options tailored to your needs. With exports to over 50 countries and regions, we guarantee lifelong trailer accessories for your convenience.


Welcome to Xihu (West Lake) Dis. Kunsheng Machinery Manufacturing Co., Ltd.

Gas Compressor Specifications:

  • Flow rate: ___ Nm3/h
  • Suction pressure: ____ bar
  • Exhaust pressure: ____ bar
  • Gas medium: ____
  • Voltage and frequency: ____ v/ph/hz

Delivery Time:

Approximately 10-30 days

Customization Options:

Voltage can be customized according to your inquiry

OEM Orders:

Yes, OEM orders are welcome

Spare Parts:

We provide spare parts for the machines

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After-sales Service: Improve After-Sales Service
Warranty: One Year
Principle: Reciprocating Compressor
Application: Back Pressure Type, High Back Pressure Type, Low Back Pressure Type
Performance: Low Noise, Variable Frequency
Mute: Mute


air compressor

What are the energy-saving technologies available for air compressors?

There are several energy-saving technologies available for air compressors that help improve their efficiency and reduce energy consumption. These technologies aim to optimize the operation of air compressors and minimize energy losses. Here are some common energy-saving technologies used:

1. Variable Speed Drive (VSD) Compressors:

VSD compressors are designed to adjust the motor speed according to the compressed air demand. By varying the motor speed, these compressors can match the output to the actual air requirement, resulting in energy savings. VSD compressors are particularly effective in applications with varying air demands, as they can operate at lower speeds during periods of lower demand, reducing energy consumption.

2. Energy-Efficient Motors:

The use of energy-efficient motors in air compressors can contribute to energy savings. High-efficiency motors, such as those with premium efficiency ratings, are designed to minimize energy losses and operate more efficiently than standard motors. By using energy-efficient motors, air compressors can reduce energy consumption and achieve higher overall system efficiency.

3. Heat Recovery Systems:

Air compressors generate a significant amount of heat during operation. Heat recovery systems capture and utilize this wasted heat for other purposes, such as space heating, water heating, or preheating process air or water. By recovering and utilizing the heat, air compressors can provide additional energy savings and improve overall system efficiency.

4. Air Receiver Tanks:

Air receiver tanks are used to store compressed air and provide a buffer during periods of fluctuating demand. By using appropriately sized air receiver tanks, the compressed air system can operate more efficiently. The tanks help reduce the number of starts and stops of the air compressor, allowing it to run at full load for longer periods, which is more energy-efficient than frequent cycling.

5. System Control and Automation:

Implementing advanced control and automation systems can optimize the operation of air compressors. These systems monitor and adjust the compressed air system based on demand, ensuring that only the required amount of air is produced. By maintaining optimal system pressure, minimizing leaks, and reducing unnecessary air production, control and automation systems help achieve energy savings.

6. Leak Detection and Repair:

Air leaks in compressed air systems can lead to significant energy losses. Regular leak detection and repair programs help identify and fix air leaks promptly. By minimizing air leakage, the demand on the air compressor is reduced, resulting in energy savings. Utilizing ultrasonic leak detection devices can help locate and repair leaks more efficiently.

7. System Optimization and Maintenance:

Proper system optimization and routine maintenance are essential for energy savings in air compressors. This includes regular cleaning and replacement of air filters, optimizing air pressure settings, ensuring proper lubrication, and conducting preventive maintenance to keep the system running at peak efficiency.

By implementing these energy-saving technologies and practices, air compressor systems can achieve significant energy efficiency improvements, reduce operational costs, and minimize environmental impact.

air compressor

What is the role of air compressors in manufacturing and industrial processes?

Air compressors play a crucial role in various manufacturing and industrial processes, providing a reliable source of compressed air that powers a wide range of equipment and tools. Here are some key roles of air compressors in manufacturing and industrial settings:

1. Pneumatic Tools and Equipment:

Air compressors power a wide range of pneumatic tools and equipment used in manufacturing processes. These tools include impact wrenches, air drills, sanders, grinders, nail guns, and spray guns. Compressed air provides the necessary force and energy for these tools, enabling efficient and precise operations.

2. Automation and Control Systems:

Compressed air is used in automation and control systems within manufacturing facilities. Pneumatic actuators and valves use compressed air to control the movement of machinery and components. These systems are widely used in assembly lines, packaging operations, and material handling processes.

3. Air Blowing and Cleaning:

Compressed air is employed for blowing and cleaning applications in manufacturing and industrial processes. Air blowguns and air nozzles are used to remove debris, dust, and contaminants from surfaces, machinery, and products. Compressed air is also used for drying, cooling, and purging operations.

4. Air Separation and Gas Generation:

Air compressors are used in air separation plants to generate industrial gases such as nitrogen, oxygen, and argon. These gases are essential for various industrial processes, including metal fabrication, chemical production, and food packaging.

5. HVAC Systems:

Compressed air is utilized in heating, ventilation, and air conditioning (HVAC) systems. It powers pneumatic actuators for damper control, pneumatic controls for pressure regulation, and pneumatic valves for flow control in HVAC applications.

6. Air Compression for Storage and Transport:

Compressed air is used for storage and transport purposes in manufacturing and industrial settings. It is often used to pressurize storage tanks or containers that hold gases or liquids. Compressed air also facilitates the transfer of materials through pipelines and pneumatic conveying systems.

7. Process Instrumentation:

Compressed air is utilized in process instrumentation and control systems. It powers pneumatic instruments such as pressure gauges, flow meters, and control valves. These instruments play a critical role in monitoring and regulating various parameters in industrial processes.

8. Material Handling and Pneumatic Conveying:

In manufacturing and industrial facilities, compressed air is used for material handling and pneumatic conveying systems. It enables the movement of bulk materials such as powders, granules, and pellets through pipelines, facilitating efficient and controlled material transfer.

Overall, air compressors are vital components in manufacturing and industrial processes, providing a versatile and efficient source of power for a wide range of applications. The specific role of air compressors may vary depending on the industry, process requirements, and operational needs.

air compressor

What is the difference between a piston and rotary screw compressor?

Piston compressors and rotary screw compressors are two common types of air compressors with distinct differences in their design and operation. Here’s a detailed explanation of the differences between these two compressor types:

1. Operating Principle:

  • Piston Compressors: Piston compressors, also known as reciprocating compressors, use one or more pistons driven by a crankshaft to compress air. The piston moves up and down within a cylinder, creating a vacuum during the intake stroke and compressing the air during the compression stroke.
  • Rotary Screw Compressors: Rotary screw compressors utilize two intermeshing screws (rotors) to compress air. As the male and female screws rotate, the air is trapped between them and gradually compressed as it moves along the screw threads.

2. Compression Method:

  • Piston Compressors: Piston compressors achieve compression through a positive displacement process. The air is drawn into the cylinder and compressed as the piston moves back and forth. The compression is intermittent, occurring in discrete cycles.
  • Rotary Screw Compressors: Rotary screw compressors also employ a positive displacement method. The compression is continuous as the rotating screws create a continuous flow of air and compress it gradually as it moves along the screw threads.

3. Efficiency:

  • Piston Compressors: Piston compressors are known for their high efficiency at lower flow rates and higher pressures. They are well-suited for applications that require intermittent or variable air demand.
  • Rotary Screw Compressors: Rotary screw compressors are highly efficient for continuous operation and are designed to handle higher flow rates. They are often used in applications with a constant or steady air demand.

4. Noise Level:

  • Piston Compressors: Piston compressors tend to generate more noise during operation due to the reciprocating motion of the pistons and valves.
  • Rotary Screw Compressors: Rotary screw compressors are generally quieter in operation compared to piston compressors. The smooth rotation of the screws contributes to reduced noise levels.

5. Maintenance:

  • Piston Compressors: Piston compressors typically require more frequent maintenance due to the higher number of moving parts, such as pistons, valves, and rings.
  • Rotary Screw Compressors: Rotary screw compressors have fewer moving parts, resulting in lower maintenance requirements. They often have longer service intervals and can operate continuously for extended periods without significant maintenance.

6. Size and Portability:

  • Piston Compressors: Piston compressors are available in both smaller portable models and larger stationary units. Portable piston compressors are commonly used in construction, automotive, and DIY applications.
  • Rotary Screw Compressors: Rotary screw compressors are typically larger and more suitable for stationary installations in industrial and commercial settings. They are less commonly used in portable applications.

These are some of the key differences between piston compressors and rotary screw compressors. The choice between the two depends on factors such as required flow rate, pressure, duty cycle, efficiency, noise level, maintenance needs, and specific application requirements.

China OEM CNG Air Compressor Manufacturers with Stable Quality for Sale   portable air compressorChina OEM CNG Air Compressor Manufacturers with Stable Quality for Sale   portable air compressor
editor by CX 2024-05-10