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China best Two Three Four Stage Air Cooled Condensing Unit with Semi-Hermetic Reciprocating Piston Compressor Unit air compressor for car

Product Description

Reciprocating Compressor Feature

The unique design of the CHINAMFG compressor* s piston and piston ring reduces the sound level effectively;

Depending on the conditions, the condenser operation mode can be switched between low noise and high efficiency with the variable speed motor.

With our Chinese and Japanese engineers hardworking in design, testing, and debugging during the last several decades, the angle and fixed position of each bend pipe has achieved the perfect accuracy, and the components selected can match each other exactly. Moreover, standardization, the inherent strength of the classic quality of CHINAMFG units, enables the perfect designs to be reproduced continuously.

A resin piston ring imported from Japan can reduce vibration and stress with patented technology;
For each unit, the vibration from multiple points units has been tested. With standardization, the design that can get the best test result i applied in each unit.

Based on standardization, there are various optional accessories according to national market conditions.
Furthermore, selecting optional accessories for the central unit can be customer-oriented, such as adding a condenser fan control system, removing the PLC controller, and selecting a vibration damper.

The machining center in which all the machines are imported from Japan ensures the high quality of CHINAMFG semi-hermetic piston compressors;
Unit protection devices are completely equipped.

The unit is equipped with an I0T intelligent module as standard;
On display, unit operating parameters are reported dynamical ly and fault codes are reported when alarming;
The mobile APP can view the unit running status, running history data, and alarm records (new products in 2019).

Capacity comparison of semi-enclosed reciprocating compressors ( CHINAMFG / Bizer )

HP Panasonic HP Bizer
Model Gas Displacement Cooling Capacity Cylinders Model Gas Displacement Cooling Capacity Cylinders
m³/h RT Qty. m³/h RT Qty.
5HP C-LN37M9A 19.9 2.43 2 5HP 4FES-5 21.78 2.66 4
7.5HP C-LN55M9A 30.7 3.74 2 7.5HP 4DES-7 32.39 3.95 4
10HP C-LN75M91 47.6 5.81 4 10HP 4VE-10 41.92 5.11 4
15HP C-LN113M91 63.4 7.73 4 15HP 4PE-15 58.53 7.14 4
20HP C-LN150M91 88.7 10.82 4 20HP 4NE-20 67.89 8.28 4
25HP 4HE-25 88.83 10.83 4
35HP C-LN250M91 152.1 18.55 6 6HE-28 133.4 16.27 6
30HP 4GE-30 101.98 12.44 4
6GE-34 153.0  18.65 6
40HP C-LN300M91 181.8 22.18 6 40HP 6GE-40 183.0  18.65 6
6FE-44 183.0  22.31 6
50HP 6FE-50 183.0  22.31 6

Panasonic/Sanyo Reciprocating Compressor Refrigeration Capacity Table

Serial Number
Specification MODEL NO Evaporation temperature(°C)
-40 -30 -20 -15 -10 -5
Piston compressors 5HP C-LN37M9A 1,932  3,809  6,571  7,594  9,437  11,507 
7.5HP C-LN55M9A 3,280  6,130  9,265  11,507  14,571  16,986 
10HP C-LN75M91 3,960  8,030  13,080  16,680  20,380  25,880 
15HP C-LN113M91 5,250  11,550  18,500  23,390  29,400  35,430 
20HP C-LN150M91 9,200  17,700  27,660  34,570  42,700  50,380 
35HP C-LN250M91 14,990  28,840  45,065  56,323  69,750  82,815 
40HP C-LN300M91 17,920  34,460  53,853  67,306  83,135  98,964 

Bingshan Group was founded in 1930(Investment by CHINAMFG & Chinese government); there are 43 enterprises, which include 1 public company, 9 subsidiary enterprises (domestically funded enterprises), and 32 Sino-foreign joint ventures. CHINAMFG Group has total assets of 9.5 billion RMB and 12000 contracted employees.  China’s largest manufacturing base of refrigeration and air-conditioning equipment, agricultural deep processing equipment base, and 1 of the main bases of China’s petrochemical general machinery equipment.


HangZhou CHINAMFG Engineering & Trading Co., Ltd. (Hereafter referred to as BSET) is a jointly funded professional trading company by HangZhou CHINAMFG Group Co., Ltd and HangZhou Refrigeration Co., Ltd. in 1988. Concentrating on consulting, design, and sales. 

BSET provides quality products to different application fields including fruit and vegetable, meat and poultry, seafood, beverage etc processing and freezing & refrigerating fifield etc. 

BSET has undertaken hundreds of turnkey projects in Asia, Africa, America etc. more than 60 countries and regions, as well as offer customized energy optimization and sustainable cold chain solutions. 


Main Application

Heating Ventilation Central Air Conditioning

Industrial Refrigeration

Food Refrigeration

Trading & Service



Main Products

Screw Compressor Unit Series

Piston Compressor Unit Series

LiBr Absorption Chiller Series

Condenser and Cooling Tower Series

Evaporator Series

Quick Freezer Series

Commercial VRF Series, Air Handling Unit Series, Terminal Equipment Series




Q1.What is our main product?

A1: Our company is a professional trading company funded by HangZhou Refrigeration Co., Ltd. in 1988. Concentrate on consulting, design, sales, installation, commissioning, and maintenance of the refrigeration equipment.


Q2.When can I get the price?

A2:We usually offer the quotation within 2-3 work days for equipment and 5-10 work days for the system after receiving your inquiry. For urgent offer, please contact with us for special.  


Q3.What is the Trade Term?

A3: We accept Ex-work factory, FOB HangZhou, CNF or CIF, as your requirement. 


Q4.How long is our Production leading time?

A4: It depends on the type of equipment.

For cold storage equipment, the lead time is 60-80 days after receiving the down payment or Letter of credit.

For Spiral Freezer, Tunnel Freezer, the lead time is 80-90 days after receiving down payment or Letter of credit.

For the flake ice making unit and plate freezer, the lead time is 45 days after receiving down payment or letter of credit.


Q5.What is the Payment term?

A5: By 100% T/T before shipment or By L/C at sight.


Q6. During shipping, if there is damage to products, how do you get a replacement?

A6: Firstly, we should investigate the reason cause the damage. At the same time, we will claim for the insurance by ourselves or assist the buyer.

Secondly, we will send the replacement to the buyer. The responsible person for the above damage will take charge of the cost of the replacement.


Q7. What are your terms of packing?

A7: Packing: export-worthy package suitable for container transportation.


Q8. Do you test all your goods before delivery?

A8: Yes, we have 100% test before delivery.


Q9: How do you make our business long-term and good relationship?

A9: HangZhou Refrigeration Co., Ltd was established on 1930. In past 88 years, we have set up our famous brand “Bingshan” not only in domestic market but also overseas market. How to make this brand life so long time?  Good quality and reliable service create good reputation among the customers. Many customers keep adopting our system in past 20days extension of the business. Win-win business is our main task for the long-term cooperation.


Q10: Are you a factory or a trading company?

A10: We are the only door to overseas market for HangZhou Refrigeration Co., Ltd. We have our own design team, installation team and after-sales team. We are professional engineering & trading company. We have set up branch office in Philippines, Malaysia, Thailand, Burma, Cambodia, Singapore, Bangladesh, Pakistan, Russian, Uzbekistan, Brazil, Argentina etc.


Q11: Where is your factory located?

A11: Our factory is located in HangZhou, ZheJiang  province.  


Q12: What is your warranty?

A12: Warranty: 12months after commercial running or 18months from the date of shipment, subject to the earlier expiry.


Q13: Can you arrange 30 party pre-shipment inspection

A13: Pre-shipment inspection: Supplier’s pre-shipment inspection is Final; pre-shipment inspection by third Party on buyers cost.


Q14:Can we do our OEM logo?
A14:Yes, for the products with drawing supplied by you, we of course apply your logo


After-sales Service: 12 Months
Warranty: 12 Months
Lubrication Style: Oil-free
Cooling System: Air Cooling
Cylinder Arrangement: Balanced Opposed Arrangement
Cylinder Position: Angular


air compressor

How are air compressors employed in the petrochemical industry?

Air compressors play a vital role in the petrochemical industry, where they are employed for various applications that require compressed air. The petrochemical industry encompasses the production of chemicals and products derived from petroleum and natural gas. Here’s an overview of how air compressors are utilized in the petrochemical industry:

1. Instrumentation and Control Systems:

Air compressors are used to power pneumatic instrumentation and control systems in petrochemical plants. These systems rely on compressed air to operate control valves, actuators, and other pneumatic devices that regulate processes such as flow control, pressure control, and temperature control. Compressed air provides a reliable and clean source of energy for these critical control mechanisms.

2. Pneumatic Tools and Equipment:

Petrochemical plants often utilize pneumatic tools and equipment for various tasks such as maintenance, repair, and construction activities. Air compressors supply the necessary compressed air to power these tools, including pneumatic drills, impact wrenches, grinders, sanders, and painting equipment. The versatility and convenience of compressed air make it an ideal energy source for a wide range of pneumatic tools used in the industry.

3. Process Air and Gas Supply:

Petrochemical processes often require a supply of compressed air and gases for specific applications. Air compressors are employed to generate compressed air for processes such as oxidation, combustion, and aeration. They may also be used to compress gases like nitrogen, hydrogen, and oxygen, which are utilized in various petrochemical reactions and treatment processes.

4. Cooling and Ventilation:

Petrochemical plants require adequate cooling and ventilation systems to maintain optimal operating conditions and ensure the safety of personnel. Air compressors are used to power cooling fans, blowers, and air circulation systems that help maintain the desired temperature, remove heat generated by equipment, and provide ventilation in critical areas.

5. Nitrogen Generation:

Nitrogen is widely used in the petrochemical industry for applications such as blanketing, purging, and inerting. Air compressors are utilized in nitrogen generation systems, where they compress atmospheric air, which is then passed through a nitrogen separation process to produce high-purity nitrogen gas. This nitrogen is used for various purposes, including preventing the formation of explosive mixtures, protecting sensitive equipment, and maintaining the integrity of stored products.

6. Instrument Air:

Instrument air is essential for operating pneumatic instruments, analyzers, and control devices throughout the petrochemical plant. Air compressors supply compressed air that is treated and conditioned to meet the stringent requirements of instrument air quality standards. Instrument air is used for tasks such as pneumatic conveying, pneumatic actuators, and calibration of instruments.

By employing air compressors in the petrochemical industry, operators can ensure reliable and efficient operation of pneumatic systems, power various tools and equipment, support critical processes, and maintain safe and controlled environments.

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 is the role of air compressor tanks?

Air compressor tanks, also known as receiver tanks or air receivers, play a crucial role in the operation of air compressor systems. They serve several important functions:

1. Storage and Pressure Regulation: The primary role of an air compressor tank is to store compressed air. As the compressor pumps air into the tank, it accumulates and pressurizes the air. The tank acts as a reservoir, allowing the compressor to operate intermittently while providing a steady supply of compressed air during periods of high demand. It helps regulate and stabilize the pressure in the system, reducing pressure fluctuations and ensuring a consistent supply of air.

2. Condensation and Moisture Separation: Compressed air contains moisture, which can condense as the air cools down inside the tank. Air compressor tanks are equipped with moisture separators or drain valves to collect and remove this condensed moisture. The tank provides a space for the moisture to settle, allowing it to be drained out periodically. This helps prevent moisture-related issues such as corrosion, contamination, and damage to downstream equipment.

3. Heat Dissipation: During compression, air temperature increases. The air compressor tank provides a larger surface area for the compressed air to cool down and dissipate heat. This helps prevent overheating of the compressor and ensures efficient operation.

4. Pressure Surge Mitigation: Air compressor tanks act as buffers to absorb pressure surges or pulsations that may occur during compressor operation. These surges can be caused by variations in demand, sudden changes in airflow, or the cyclic nature of reciprocating compressors. The tank absorbs these pressure fluctuations, reducing stress on the compressor and other components, and providing a more stable and consistent supply of compressed air.

5. Energy Efficiency: Air compressor tanks contribute to energy efficiency by reducing the need for the compressor to run continuously. The compressor can fill the tank during periods of low demand and then shut off when the desired pressure is reached. This allows the compressor to operate in shorter cycles, reducing energy consumption and minimizing wear and tear on the compressor motor.

6. Emergency Air Supply: In the event of a power outage or compressor failure, the stored compressed air in the tank can serve as an emergency air supply. This can provide temporary air for critical operations, allowing time for maintenance or repairs to be carried out without disrupting the overall workflow.

Overall, air compressor tanks provide storage, pressure regulation, moisture separation, heat dissipation, pressure surge mitigation, energy efficiency, and emergency backup capabilities. They are vital components that enhance the performance, reliability, and longevity of air compressor systems in various industrial, commercial, and personal applications.

China best Two Three Four Stage Air Cooled Condensing Unit with Semi-Hermetic Reciprocating Piston Compressor Unit   air compressor for carChina best Two Three Four Stage Air Cooled Condensing Unit with Semi-Hermetic Reciprocating Piston Compressor Unit   air compressor for car
editor by CX 2023-12-12