Tag Archives: compressor condenser

China factory Compressor Racks with Separated Air Cooled Condenser for Blast Freezer with Hot selling

Product Description

The condensing unit with CHINAMFG CHINAMFG for low temperature room

Zhexue brand MFSLG series products are applicable to the large size -5ºC~-40ºC low temperature refrigeration system, as the large size low temperature cold rooms, ice making, and blast freezing etc.


1.Reliable system: famous brand compressor, PLC controller, high efficient oil separating system ,

2.German bitzer  low temperature screw compressor, with the features of high efficiency, long service life, tiny vibration and low noise
3.this series products have a complete set of world famous components, protection devices for compressor wrong direction, over heat, over load, over discharging temperature, low oil level, over high/low pressure of oil flow etc.
4.the unit is matched with economizer, which can effectively increase the capacity for low temperature operation.

Model Description:
M BZ LG F 2-S 100 / J Y
M: MEOJILE products
BZ: compressor brad   BZ: Bitzer
                                     HZ: Hanbell
                                      FS: FUSHENG
                                      RF: RefComp
                                      FR: Frascold
LG: Compressor type   LG: screw compressor
                                      BF:piston compressor
                                      WX: scroll compressor
F: condenser type      F: air cooled/ Evaporative condenser
                                   W: water cooled
2: compressor qty
S:  S: 2 stage compressor  /: single compressor
100: HP
J :  room temperature range  H: (+5~+20ºC)
                                               L: (-30~-10ºC)
                                               J: (-50~-30ºC)
Main Components :

Compressor, condenser , pressure controller, pressure oil gauge, pressure sensor,filter vat filter core, liquid angle valve , accumulator, suction check valve, oil separator , oil safety valve, oil pipe ball valve, oil cooler, oil cooler valves, filter, oil dry filter, filter core, solenoid valve, economizer, sight glass, expansion valve,touch screen, LP sensor , PLC controller, CHINAMFG HMI.


condensing unit with CHINAMFG screw compressor  
 Unit model MFSLGF-
  Refrigerant R507(R404A)
 Power supply 380V/3P/50HZ
 Compressor   Model SRL-330E SRL-350E SRL-370E SRL-400E SRL-480E SRL-510E SRL-580E
 Qty 1 1 1 1 1 1 1
 Evaporating Temperature ~-50ºC~-15ºC
 Evap.Temp -10ºC  Cooling capacity(KW) 190.3 204.4 220.6 242.2 291.8 308.4 356
-10ºC  Power input(KW) 67.4 72.2 73 79.6 92.3 98.6 111.6
-25ºC  Cooling capacity(KW) 138.2 148.1 159.9 175.8 211.9 223.9 258.1
-25ºC  Power input(KW) 67.1 71.7 72.1 78.5 91 97.3 109.8
-42ºC  Cooling capacity(KW) 65.6 70.4 76 83.5 100.6 106.4 122.6
-42ºC  Power input(KW) 59.9 64 64.2 69.9 80.9 86.5 97.6
 Liquid pipe(mm) Φ42 Φ42 Φ42 Φ42 DN50 DN50 DN50
 Suction pipe(mm) DN100 DN100 DN100 DN100 DN100 DN100 DN100
  Oil separator outlet(mm) DN65 DN65 DN65 DN65 DN80 DN80 DN80
 Reservoir inlet(mm) DN50 DN50 DN50 DN50 DN65 DN65 DN65
 Overall size L(mm) 2600 2600 2600 2600 2600 2600 2600
W(mm) 1700 1700 1700 1700 1700 1700 1700
H(mm) 2100 2100 2100 2100 2100 2100 2100
Cooling capacity is calculated @ 35ºC condensing temperature , it is suitable for evaporative condenser. 


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


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

air compressor

What is the role of air compressors in power generation?

Air compressors play a significant role in power generation, supporting various operations and equipment within the industry. Here are some key roles of air compressors in power generation:

1. Combustion Air Supply:

Air compressors are used to supply compressed air for the combustion process in power generation. In fossil fuel power plants, such as coal-fired or natural gas power plants, compressed air is required to deliver a steady flow of air to the burners. The compressed air helps in the efficient combustion of fuel, enhancing the overall performance and energy output of the power plant.

2. Instrumentation and Control:

Air compressors are utilized for instrumentation and control systems in power generation facilities. Compressed air is used to operate pneumatic control valves, actuators, and other pneumatic devices that regulate the flow of steam, water, and gases within the power plant. The reliable and precise control provided by compressed air ensures efficient and safe operation of various processes and equipment.

3. Cooling and Ventilation:

In power generation, air compressors are involved in cooling and ventilation applications. Compressed air is used to drive air-operated cooling fans and blowers, providing adequate airflow for cooling critical components such as generators, transformers, and power electronics. The compressed air also assists in maintaining proper ventilation in control rooms, substations, and other enclosed spaces, helping to dissipate heat and ensure a comfortable working environment.

4. Cleaning and Maintenance:

Air compressors are employed for cleaning and maintenance tasks in power generation facilities. Compressed air is utilized to blow away dust, dirt, and debris from equipment, machinery, and electrical panels. It helps in maintaining the cleanliness and optimal performance of various components, reducing the risk of equipment failure and improving overall reliability.

5. Pneumatic Tools and Equipment:

In power generation plants, air compressors provide the necessary compressed air for operating pneumatic tools and equipment. These tools include impact wrenches, pneumatic drills, grinders, and sandblasting equipment, which are utilized for installation, maintenance, and repair tasks. The high-pressure air generated by compressors enables efficient and reliable operation of these tools, enhancing productivity and reducing manual effort.

6. Nitrogen Generation:

Sometimes, air compressors are used in power generation for nitrogen generation. Compressed air is passed through a nitrogen generator system, which separates nitrogen from other components of air, producing a high-purity nitrogen gas stream. Nitrogen is commonly used in power plant applications, such as purging systems, blanketing in transformers, and generator cooling, due to its inert properties and low moisture content.

7. Start-up and Emergency Systems:

Air compressors are an integral part of start-up and emergency systems in power generation. Compressed air is utilized to power pneumatic starters for gas turbines, providing the initial rotation needed to start the turbine. In emergency situations, compressed air is also used to actuate emergency shutdown valves, safety systems, and fire suppression equipment, ensuring the safe operation and protection of the power plant.

Overall, air compressors contribute to the efficient and reliable operation of power generation facilities, supporting combustion processes, control systems, cooling, cleaning, and various other applications critical to the power generation industry.

air compressor

How are air compressors used in refrigeration and HVAC systems?

Air compressors play a vital role in refrigeration and HVAC (Heating, Ventilation, and Air Conditioning) systems, providing the necessary compression of refrigerant gases and facilitating the heat transfer process. Here are the key ways in which air compressors are used in refrigeration and HVAC systems:

1. Refrigerant Compression:

In refrigeration systems, air compressors are used to compress the refrigerant gas, raising its pressure and temperature. This compressed gas then moves through the system, where it undergoes phase changes and heat exchange to enable cooling or heating. The compressor is the heart of the refrigeration cycle, as it pressurizes and circulates the refrigerant.

2. Refrigeration Cycle:

The compression of refrigerant gas by the air compressor is an essential step in the refrigeration cycle. After compression, the high-pressure, high-temperature gas flows to the condenser, where it releases heat and condenses into a liquid. The liquid refrigerant then passes through an expansion valve or device, which reduces its pressure and temperature. This low-pressure, low-temperature refrigerant then enters the evaporator, absorbing heat from the surrounding environment and evaporating back into a gas. The cycle continues as the gas returns to the compressor for re-compression.

3. HVAC Cooling and Heating:

In HVAC systems, air compressors are used to facilitate cooling and heating processes. The compressor compresses the refrigerant gas, which allows it to absorb heat from the indoor environment in the cooling mode. The compressed gas releases heat in the outdoor condenser unit and then circulates back to the compressor to repeat the cycle. In the heating mode, the compressor reverses the refrigeration cycle, absorbing heat from the outdoor air or ground source and transferring it indoors.

4. Air Conditioning:

Air compressors are an integral part of air conditioning systems, which are a subset of HVAC systems. Compressed refrigerant gases are used to cool and dehumidify the air in residential, commercial, and industrial buildings. The compressor pressurizes the refrigerant, initiating the cooling cycle that removes heat from the indoor air and releases it outside.

5. Compressor Types:

Refrigeration and HVAC systems utilize different types of air compressors. Reciprocating compressors, rotary screw compressors, and scroll compressors are commonly used in these applications. The selection of the compressor type depends on factors such as system size, capacity requirements, efficiency, and application-specific considerations.

6. Energy Efficiency:

Efficient operation of air compressors is crucial for refrigeration and HVAC systems. Energy-efficient compressors help minimize power consumption and reduce operating costs. Additionally, proper compressor sizing and system design contribute to the overall energy efficiency of refrigeration and HVAC systems.

By effectively compressing refrigerant gases and facilitating the heat transfer process, air compressors enable the cooling and heating functions in refrigeration and HVAC systems, ensuring comfortable indoor environments and efficient temperature control.

air compressor

How do you choose the right size of air compressor for your needs?

Choosing the right size of air compressor is essential to ensure optimal performance and efficiency for your specific needs. Here are some factors to consider when selecting the appropriate size:

1. Air Demand: Determine the air demand requirements of your applications. Calculate the total CFM (Cubic Feet per Minute) needed by considering the air consumption of all the pneumatic tools and equipment that will be operated simultaneously. Choose an air compressor with a CFM rating that meets or exceeds this total demand.

2. Pressure Requirements: Consider the required operating pressure for your applications. Check the PSI (Pounds per Square Inch) rating of the tools and equipment you will be using. Ensure that the air compressor you choose can deliver the necessary pressure consistently.

3. Duty Cycle: Evaluate the duty cycle of the air compressor. The duty cycle represents the percentage of time the compressor can operate within a given time period without overheating or experiencing performance issues. If you require continuous or heavy-duty operation, choose a compressor with a higher duty cycle.

4. Power Source: Determine the available power source at your location. Air compressors can be powered by electricity or gasoline engines. Ensure that the chosen compressor matches the available power supply and consider factors such as voltage, phase, and fuel requirements.

5. Portability: Assess the portability requirements of your applications. If you need to move the air compressor frequently or use it in different locations, consider a portable or wheeled compressor that is easy to transport.

6. Space and Noise Constraints: Consider the available space for installation and the noise restrictions in your working environment. Choose an air compressor that fits within the allocated space and meets any noise regulations or requirements.

7. Future Expansion: Anticipate any potential future expansions or increases in air demand. If you expect your air demand to grow over time, it may be wise to choose a slightly larger compressor to accommodate future needs and avoid the need for premature replacement.

8. Budget: Consider your budgetary constraints. Compare the prices of different air compressor models while ensuring that the chosen compressor meets your specific requirements. Keep in mind that investing in a higher-quality compressor may result in better performance, durability, and long-term cost savings.

By considering these factors and evaluating your specific needs, you can choose the right size of air compressor that will meet your air demand, pressure requirements, and operational preferences, ultimately ensuring efficient and reliable performance.

China factory Compressor Racks with Separated Air Cooled Condenser for Blast Freezer   with Hot sellingChina factory Compressor Racks with Separated Air Cooled Condenser for Blast Freezer   with Hot selling
editor by CX 2024-04-16