Tag Archives: compressor for cold room

China OEM 4HP Refcom Compressor Assemble with Air Cooled Condenser for Cold Room Refrigeration System air compressor lowes

Product Description

MJZBF serise open type air cooled condensing unit with B itzer compressor

Zhexue open type condensing unit is 1 of our main products. It features as compact structure, cool appearance and energy saving. It can control the room temperature from -50 ~+15 degree, it is very easy to operate, especially used for the refrigeration industrial, cold storage, food processing industrial, hotels, restaurants, shopping malls, chemical industrial and other fields.


1.Air cooled condenser was did tightness examination under 3.0MPa atmospheric pressure, to insure condenser quality.

2.Compressors are international brand, such as B itzer , CHINAMFG

3.Same type of compressors can use different refrigerant, such as R134a,R404A,R507A,R22, R407C.

4.The unit fits for different working conditions (high temperature, low temperature, low pressure, frozen)

5.Condenser is big to raise the cooling efficiency.

6.Air cooled condensers use alu, Fins and copper pipes.

Model Description:
For example
M  JZ  B  F  S  10  M  B  Y /  K  S

M: MEOJILE products
JZ: open type condensing unit
B: compressor type
    (B:piston  Q:enclosed)
F: cooling way
    (F: air cooled   W: water cooled)
S:two-stage compressor
10:  HP
    (H: high temp. +5~+20ºC   M: middle temp. -10~+5ºC
      L: low temp. -30~-10ºC     J: blast freezing -50~-30ºC)
 compressor brand:  
BZ: B itzer  HZ: Handbell  FS: CHINAMFG  RF: CHINAMFG  FR: Frascold
Y:R404a  /:R22
K: with main control only  E:with main control and room control
S: Single phase  /: 3 phase

Standard components:
Compressor , condenser , receiver , pressure gauge , pressure controller,filter drier, solenoid valve ,terminal box and other parts.


MJZBF series air cooled condensing unit with B itzer compressor
Unit model MJZBF03
Air Condenser Model MCN571 MCN015 MCN017 MCN571 MCN030 MCN032 MCB035 MCN045 MCN050 MCN066
Refrigerant R22(R404A/R507A)
Power supply 380V/3P/50HZ
Compressor Model 2FES-3Y 2CES-4Y 4FE-5Y 4EES-6Y 4DES-7Y 4CES-9Y 4VES-10Y 4TES-12Y 4PES-15Y 4NES-20Y
Qty 1 1 1 1 1 1 1 1 1 1
Condenser Fan quantity 1 1 2 2 3 3 3 3 3 2
Fan voltage(V) 380 380 380 380 380 380 380 380 380 380
Fan power(W) 370 500 740 740 1000 1110 1110 1500 1500 3800
Evap. Temp. Range -20ºC~+10ºC
Evap.Temp           (-25ºC) Cooling capacity(KW) 4.61 8.89 9.6 12.05 14.16 17.67 18.31 22.2 25.2 30.3
Power input(KW) 2.29 3.89 4.21 5.31 6.16 7.76 7.6 9.37 10.58 12.66
Running current(A) 4.32 7.02 7.82 9.34 11.04 13.32 13.72 16.31 19.13 22.1
Liquid pipe(mm) Φ12 Φ12 Φ12 Φ12 Φ12 Φ12 Φ16 Φ16 Φ16 Φ22
Suction pipe(mm) Φ22 Φ22 Φ22 Φ28 Φ28 Φ28 Φ28 Φ35 Φ42 Φ42
Overall size L(mm) 780 980 1380 1380 1780 1980 1980 2580 2580 1180
W(mm) 350 400 350 350 400 350 350 400 400 450
H(mm) 650 750 650 650 755 650 650 755 755 955
Cooling capacity and input power are calculated on 45 ddegree condensing temp., it is suitable for the air cooled condenser.

Production Line:

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After-sales Service: Oversea Aftersales Is Available
Warranty: 12 Months
Principle: Reciprocating Compressor


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Shipping Cost:

Estimated freight per unit.

about shipping cost and estimated delivery time.
Payment Method:


Initial Payment

Full Payment
Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

air compressor

What are the advantages of using rotary vane compressors?

Rotary vane compressors offer several advantages that make them a popular choice for various applications. These compressors are widely used in industries where a reliable and efficient source of compressed air is required. Here are the advantages of using rotary vane compressors:

1. Compact and Lightweight:

Rotary vane compressors are typically compact and lightweight compared to other types of compressors. Their compact design makes them suitable for installations where space is limited, such as in small workshops or mobile applications. The lightweight nature of these compressors allows for easy transportation and maneuverability.

2. High Efficiency:

Rotary vane compressors are known for their high efficiency. The design of the vanes and the compression chamber allows for smooth and continuous compression, resulting in minimal energy losses. This efficiency translates into lower energy consumption and reduced operating costs over time.

3. Quiet Operation:

Rotary vane compressors operate with relatively low noise levels. The design of the compressor, including the use of vibration damping materials and sound insulation, helps to minimize noise and vibrations during operation. This makes rotary vane compressors suitable for applications where noise reduction is important, such as in indoor environments or noise-sensitive areas.

4. Oil Lubrication:

Many rotary vane compressors utilize oil lubrication, which provides several benefits. The oil lubrication helps to reduce wear and friction between the moving parts, resulting in extended compressor life and improved reliability. It also contributes to better sealing and improved efficiency by minimizing internal leakage.

5. Versatile Applications:

Rotary vane compressors are versatile and can be used in a wide range of applications. They are suitable for both industrial and commercial applications, including automotive workshops, small manufacturing facilities, dental offices, laboratories, and more. They can handle various compressed air requirements, from light-duty tasks to more demanding applications.

6. Easy Maintenance:

Maintenance of rotary vane compressors is relatively straightforward. Routine maintenance tasks typically include oil changes, filter replacements, and periodic inspection of vanes and seals. The simplicity of the design and the availability of replacement parts make maintenance and repairs easier and more cost-effective.

These advantages make rotary vane compressors an attractive choice for many applications, providing reliable and efficient compressed air solutions.

air compressor

What are the environmental considerations when using air compressors?

When using air compressors, there are several environmental considerations to keep in mind. Here’s an in-depth look at some of the key factors:

Energy Efficiency:

Energy efficiency is a crucial environmental consideration when using air compressors. Compressing air requires a significant amount of energy, and inefficient compressors can consume excessive power, leading to higher energy consumption and increased greenhouse gas emissions. It is important to choose energy-efficient air compressors that incorporate features such as Variable Speed Drive (VSD) technology and efficient motor design, as they can help minimize energy waste and reduce the carbon footprint.

Air Leakage:

Air leakage is a common issue in compressed air systems and can contribute to energy waste and environmental impact. Leaks in the system result in the continuous release of compressed air, requiring the compressor to work harder and consume more energy to maintain the desired pressure. Regular inspection and maintenance of the compressed air system to detect and repair leaks can help reduce air loss and improve overall energy efficiency.

Noise Pollution:

Air compressors can generate significant noise levels during operation, which can contribute to noise pollution. Prolonged exposure to high noise levels can have detrimental effects on human health and well-being and can also impact the surrounding environment and wildlife. It is important to consider noise reduction measures such as sound insulation, proper equipment placement, and using quieter compressor models to mitigate the impact of noise pollution.


While air compressors do not directly emit pollutants, the electricity or fuel used to power them can have an environmental impact. If the electricity is generated from fossil fuels, the associated emissions from power plants contribute to air pollution and greenhouse gas emissions. Choosing energy sources with lower emissions, such as renewable energy, can help reduce the environmental impact of operating air compressors.

Proper Waste Management:

Proper waste management is essential when using air compressors. This includes the appropriate disposal of compressor lubricants, filters, and other maintenance-related materials. It is important to follow local regulations and guidelines for waste disposal to prevent contamination of soil, water, or air and minimize the environmental impact.

Sustainable Practices:

Adopting sustainable practices can further reduce the environmental impact of using air compressors. This can include implementing preventive maintenance programs to optimize performance, reducing idle time, and promoting responsible use of compressed air by avoiding overpressurization and optimizing system design.

By considering these environmental factors and taking appropriate measures, it is possible to minimize the environmental impact associated with the use of air compressors. Choosing energy-efficient models, addressing air leaks, managing waste properly, and adopting sustainable practices can contribute to a more environmentally friendly operation.

air compressor

Are there portable air compressors available for home use?

Yes, there are portable air compressors specifically designed for home use. These portable models offer convenience, versatility, and ease of use for various tasks around the house. Here are some key points about portable air compressors for home use:

1. Compact and Lightweight: Portable air compressors are typically compact and lightweight, making them easy to transport and store. They are designed with portability in mind, allowing homeowners to move them around the house or take them to different locations as needed.

2. Electric-Powered: Most portable air compressors for home use are electric-powered. They can be plugged into a standard household electrical outlet, eliminating the need for gasoline or other fuel sources. This makes them suitable for indoor use without concerns about emissions or ventilation.

3. Versatile Applications: Portable air compressors can be used for a wide range of home applications. They are commonly used for inflating tires, sports equipment, and inflatable toys. They are also handy for operating pneumatic tools such as nail guns, staplers, and paint sprayers. Additionally, portable air compressors can be used for cleaning tasks, powering airbrushes, and other light-duty tasks around the house.

4. Pressure and Capacity: Portable air compressors for home use typically have lower pressure and capacity ratings compared to larger industrial or commercial models. They are designed to meet the needs of common household tasks rather than heavy-duty applications. The pressure and capacity of these compressors are usually sufficient for most home users.

5. Oil-Free Operation: Many portable air compressors for home use feature oil-free operation. This means they do not require regular oil changes or maintenance, making them more user-friendly and hassle-free for homeowners.

6. Noise Level: Portable air compressors designed for home use often prioritize low noise levels. They are engineered to operate quietly, reducing noise disturbances in residential environments.

7. Cost: Portable air compressors for home use are generally more affordable compared to larger, industrial-grade compressors. They offer a cost-effective solution for homeowners who require occasional or light-duty compressed air applications.

When considering a portable air compressor for home use, it’s important to assess your specific needs and tasks. Determine the required pressure, capacity, and features that align with your intended applications. Additionally, consider factors such as portability, noise level, and budget to choose a suitable model that meets your requirements.

Overall, portable air compressors provide a practical and accessible compressed air solution for homeowners, allowing them to tackle a variety of tasks efficiently and conveniently within a home setting.

China OEM 4HP Refcom Compressor Assemble with Air Cooled Condenser for Cold Room Refrigeration System   air compressor lowesChina OEM 4HP Refcom Compressor Assemble with Air Cooled Condenser for Cold Room Refrigeration System   air compressor lowes
editor by CX 2023-12-20

China factory Hot Sale 140HP Csw Series Screw Air Compressor Csw9563-140y-40d with Refrigerant R134A for Cold Room Refrigeration air compressor for sale

Product Description

 Hot Sale 140HP csw Series Screw Air Compressor  CSW9563-140Y-40D with Refrigerant R134A  for Cold Room Refrigeration

Technical Data


Technical Data  
Displacement (2900 RPM 50 Hz) 195 m³/h
Displacement (3500 RPM 60 Hz) 235 m³/h
Weight 1280 kg
Max. pressure (LP/HP) 19 / 28 bar
Connection suction line 64 mm – 2 5/8”
Connection discharge line 54 mm – 2 1/8”
Oil type R1234yf/R1234ze(E)/R450A/R513A/R515B BSE170-L (Standard)
Oil type R134a BSE170-L (Standard)
Motor data  
Motor version 2
Motor voltage (more on request) 380-415V PW-3-50Hz
Max operating current 74.0 A
Winding ratio 50/50
Starting current (Rotor locked) 169.0 A D / 338.0 A DD
Max. Power input 43,0 kW
Extent of delivery (Standard)  
Enclosure class IP54
Oil heater 200 W (Standard)
Oil separator Standard
Oil filter Standard
Discharge gas temperature sensor Standard
Start unloading Standard
Capacity Control – 4-step % (Standard)
Capacity Control – infinite 100-25% (Standard)
Built-in check valve Standard
Motor protection SE-E1 (Standard), SE-E3(Standard for 660-690V)
Oil charge 35,0 dm³
Available Options  
Oil level switch min / max OLC-D1-S (Option)
Discharge shut-off valve Option
Suction shut-off valve Option
Shut-off valve for ECO with muffler Option
Bridges for DOL start Option
Vibration dampers Option
Motor protection SE-i1 (200-690V)

Refrigeration Compressors Scope
We are specialized in refrigeration compressors, including rotary, scroll, piston, screw, hermetic, semi-hermetic all kinds of brands refrigeration compressors. 

1.Rotary compressor:To shiba,Pa nasonic, GM CC, L G
2.Scroll compressor:Co peland,Dan foss per former,hi tachi,Dai kin,San yo
3.Piston hermetic compressor:Te cumseh Man europ MT,NTZ,MTZ series.
4.Semi-hermetic Reciprocating Compressor:Co peland,Bit-zer,Car rier
5.Screw compressor :Bit zer ,Car rier

Brand Range
Top Sale 40HP CSW Series Screw Air Compressor with Refrigerant R134a CSW6583-40Y for Cold Room Refrigeration


1. What is the price of a refrigeration compressor?
The price is decided by Quantity.
2. How about samples?
Sample Lead Time: 5 working days
Sample Fee:
1). It’s free for all for a regular customer
2). For new customers, we will charge first, it is fully refundable when the order is confirmed.
3. How many days for shipping?
Shipping Methods and Lead Time:
By Express: 3-5 working days to your door (DHL, UPS, TNT, FedEx…)
By Air: 5-8 working days to your airport
By Sea: Pls advise your port of destination, the exact days will be confirmed by our forwarders,  and the following lead time is for your reference. Europe and America (25 – 35 days), Asia (3-7 days), Australia ( 16-23 days)
4. What are the Terms of Payment?
Credit Card, T/T, L/C, Western Union;  30% T/T in advance, 70% before delivery.

5. Packaging & Shipping?
Pallet, wooden case or with outer carton, or as customers’ specific requirements.

6. Why choose your company?
We are focusing on all aspects of refrigeration compressor, high quality, and nice prices.
We strictly implement the rules according to the quality standard in every aspect from the purchase of raw material to the production process and outgoing of products.
Great service and Superior quality is provided all the time…
Packaging & Shipping Packing: Carton, wooden box, and pallet, or as customers’ requirements.
Shipping: By Express (DHL /UPS /TNT /FedEx /EMS), By Air, By Sea

Packaging and shipping

HVAC&R Exhibition


After-sales Service: Online Support
Warranty: 6 Months
Lubrication Style: Lubricated
Cooling System: Water Cooling
Power Source: AC Power
Cylinder Position: Vertical


air compressor

What role do air dryers play in compressed air systems?

Air dryers play a crucial role in compressed air systems by removing moisture and contaminants from the compressed air. Compressed air, when generated, contains water vapor from the ambient air, which can condense and cause issues in the system and end-use applications. Here’s an overview of the role air dryers play in compressed air systems:

1. Moisture Removal:

Air dryers are primarily responsible for removing moisture from the compressed air. Moisture in compressed air can lead to problems such as corrosion in the system, damage to pneumatic tools and equipment, and compromised product quality in manufacturing processes. Air dryers utilize various techniques, such as refrigeration, adsorption, or membrane separation, to reduce the dew point of the compressed air and eliminate moisture.

2. Contaminant Removal:

In addition to moisture, compressed air can also contain contaminants like oil, dirt, and particles. Air dryers help in removing these contaminants to ensure clean and high-quality compressed air. Depending on the type of air dryer, additional filtration mechanisms may be incorporated to enhance the removal of oil, particulates, and other impurities from the compressed air stream.

3. Protection of Equipment and Processes:

By removing moisture and contaminants, air dryers help protect the downstream equipment and processes that rely on compressed air. Moisture and contaminants can negatively impact the performance, reliability, and lifespan of pneumatic tools, machinery, and instrumentation. Air dryers ensure that the compressed air supplied to these components is clean, dry, and free from harmful substances, minimizing the risk of damage and operational issues.

4. Improved Productivity and Efficiency:

Utilizing air dryers in compressed air systems can lead to improved productivity and efficiency. Dry and clean compressed air reduces the likelihood of equipment failures, downtime, and maintenance requirements. It also prevents issues such as clogging of air lines, malfunctioning of pneumatic components, and inconsistent performance of processes. By maintaining the quality of compressed air, air dryers contribute to uninterrupted operations, optimized productivity, and cost savings.

5. Compliance with Standards and Specifications:

Many industries and applications have specific standards and specifications for the quality of compressed air. Air dryers play a vital role in meeting these requirements by ensuring that the compressed air meets the desired quality standards. This is particularly important in industries such as food and beverage, pharmaceuticals, electronics, and automotive, where clean and dry compressed air is essential for product integrity, safety, and regulatory compliance.

By incorporating air dryers into compressed air systems, users can effectively control moisture and contaminants, protect equipment and processes, enhance productivity, and meet the necessary quality standards for their specific applications.

air compressor

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.


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.


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.

air compressor

What are the different types of air compressors?

There are several different types of air compressors, each with its own unique design and operating principle. Here’s an overview of the most commonly used types:

1. Reciprocating Air Compressors: Reciprocating air compressors, also known as piston compressors, use one or more pistons driven by a crankshaft to compress air. They operate by drawing air into a cylinder, compressing it with the piston’s up-and-down motion, and discharging the compressed air into a storage tank. Reciprocating compressors are known for their high pressure capabilities and are commonly used in industrial applications.

2. Rotary Screw Air Compressors: Rotary screw air compressors utilize two interlocking screws 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. These compressors are known for their continuous duty cycle, high efficiency, and quiet operation. They are widely used in industrial, commercial, and automotive applications.

3. Centrifugal Air Compressors: Centrifugal air compressors rely on the principle of centrifugal force to compress air. They use a high-speed impeller to accelerate the incoming air and then convert the kinetic energy into pressure energy. Centrifugal compressors are commonly used in large-scale industrial applications that require high volumes of compressed air.

4. Rotary Vane Air Compressors: Rotary vane air compressors employ a rotor with sliding vanes that compress the air. As the rotor rotates, the vanes slide in and out of the rotor, creating compression chambers. Air is drawn in, trapped, and compressed as the vanes move. These compressors are compact, reliable, and suitable for small to medium-sized applications.

5. Axial Flow Air Compressors: Axial flow air compressors are primarily used in specialized applications such as aircraft engines and gas turbines. They utilize a series of rotating and stationary blades to compress air in a continuous flow. Axial flow compressors are known for their high flow rates and are designed for applications that require large volumes of compressed air.

6. Scroll Air Compressors: Scroll air compressors consist of two interlocking spirals or scrolls that compress the air. One spiral remains stationary while the other orbits around it, creating a series of expanding and contracting pockets that compress the air. Scroll compressors are compact, reliable, and commonly used in applications where low noise and oil-free air are required, such as medical and dental equipment.

These are just a few examples of the different types of air compressors available. Each type has its own advantages, capabilities, and ideal applications. The choice of air compressor depends on factors such as required pressure, flow rate, duty cycle, noise level, oil-free operation, and specific application requirements.

China factory Hot Sale 140HP Csw Series Screw Air Compressor Csw9563-140y-40d with Refrigerant R134A for Cold Room Refrigeration   air compressor for saleChina factory Hot Sale 140HP Csw Series Screw Air Compressor Csw9563-140y-40d with Refrigerant R134A for Cold Room Refrigeration   air compressor for sale
editor by CX 2023-10-19