China OEM Refrigeration Unit with Frascold Screw 2 Compressors 60HP air compressor lowes

Product Description

60HP Refrigeration unit with Frascold screw compressors 

Zhexue brand MFRLG series products are applicable to the large size -30ºC~-50ºC 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.


Refrigeration unit with Frascold screw compressors 
 Unit model MFRLGF2-                       60(L)JY MFRLGF2-               80(L)JY MFRLGF2-              100(L)JY MFRLGF2-             120(L)JY MFRLGF2-               140(L)JY
Refrigerant R507(R404A)
Power supply 380V/3P/50HZ
Compressor Model FVR-L-30-120Y FVR-L-40-140Y FVR-L-50-160Y FVR-L-60-200Y FVR-L-70-230Y
Qty 2 2 2 2 2
Evaporating Temperature -50ºC~-10ºC
Evap. Temp -25ºC Cooling capacity(KW) 106.2 126.6 143.6 191.8 220.4
-25ºC Power input(KW) 58 67 75.2 100 113.2
-42ºC Cooling capacity(KW) 50.2 61.6 70 92.4 105.6
-42ºC Power input(KW) 50.4 56.6 61 83.4 91.8
 Liquid pipe(mm) Φ28 Φ35 Φ35 Φ42 Φ42
 Suction pipe(mm) DN80 DN80 DN80 DN100 DN100
  Oil separator outlet(mm) DN50 DN50 DN50 DN65 DN65
Receiver inlet(mm) Φ35 DN40 DN40 DN50 DN50
 Overall size L(mm) 2600 2600 2600 2600 2600
W(mm) 1950 1950 1950 1950 1950
H(mm) 1800 1800 1800 1800 1800
cooling capacity and power are set based on condensing temperature of 35ºC,used for evaporation condenser.

Refrigeration unit with Frascold screw compressors 
 Unit model MFRLGF2-
Refrigerant R507(R404A)
Power supply 380V/3P/50HZ
Compressor Model FVR-L-80-270Y FVR-L-90-300Y FVR-L-100-350Y FVR-L-110-380Y FVR-L-125-430Y FVR-L-160-540Y
Qty 2 2 2 2 2 2
Evaporating Temperature -50ºC~-10ºC
Evap. Temp -25ºC Cooling capacity(KW) 253.8 284.6 325.2 344.4 406.6 480.2
-25ºC Power input(KW) 128 146.8 162.4 173.2 202.8 245.2
-42ºC Cooling capacity(KW) 125 137.8 157.2 167.8 194.6 232.2
-42ºC Power input(KW) 106.4 118.8 132.6 143.4 166.6 210.8
 Liquid pipe(mm) Φ42 DN50 DN50 DN50 DN50 DN50
 Suction pipe(mm) DN100 DN125 DN125 DN125 DN150 DN150
  Oil separator outlet(mm) DN65 DN80 DN80 DN80 DN80 DN80
Receiver inlet(mm) DN50 DN65 DN65 DN65 DN65 DN65
 Overall size L(mm) 2600 2600 2600 2600 3200 3200
W(mm) 1950 1950 1950 1950 2100 2100
H(mm) 1800 1800 1800 1800 2200 2200
cooling capacity and power are set based on condensing temperature of 35ºC,used for evaporation condenser.

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After-sales Service: Oversea Aftersales Is Available
Warranty: 12 Months
Principle: Screw Compressor
US$ 5000/Set
1 Set(Min.Order)


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

air compressor

What Industries Commonly Use Screw Compressors?

Screw compressors are widely used in various industries due to their efficiency, reliability, and versatility. Here’s a detailed overview of the industries that commonly utilize screw compressors:

  • 1. Manufacturing: Screw compressors find extensive use in manufacturing industries such as automotive, aerospace, electronics, and appliances. They are employed for applications such as powering pneumatic tools, operating production lines, providing compressed air for painting, and controlling automated processes.
  • 2. Oil and Gas: The oil and gas industry extensively utilizes screw compressors for various purposes. They are employed in upstream operations for natural gas gathering, gas lift systems, and wellhead compression. In downstream operations, screw compressors are used in refining processes, gas transmission, and storage facilities.
  • 3. Chemical and Petrochemical: Screw compressors play a crucial role in chemical and petrochemical industries. They are used for compressing gases in chemical reactions, providing instrument air for control systems, powering pneumatic conveying systems, and handling various process gases in refining and production processes.
  • 4. Food and Beverage: Screw compressors are employed in the food and beverage industry for applications such as refrigeration, freezing, and air supply for packaging processes. They help maintain optimal temperature and humidity conditions, ensuring the quality and safety of food and beverage products.
  • 5. Pharmaceutical and Healthcare: Screw compressors are utilized in pharmaceutical manufacturing facilities, research laboratories, and healthcare institutions. They provide clean, oil-free compressed air for critical processes, such as pharmaceutical production, medical device manufacturing, and laboratory analysis. High-quality compressed air is essential to meet stringent quality and regulatory standards in these industries.
  • 6. Power Generation: Screw compressors find applications in power generation facilities, including gas turbine power plants, combined heat and power (CHP) systems, and cogeneration plants. They are used for inlet air compression, fuel gas boosting, and other compressed air requirements in power generation processes.
  • 7. Construction and Mining: Screw compressors are widely used in construction and mining industries for powering pneumatic tools, drilling equipment, and material handling systems. They provide the necessary compressed air for efficient and reliable operation in demanding construction and mining environments.
  • 8. Municipal and Wastewater Treatment: Screw compressors are utilized in municipal water treatment and wastewater treatment plants. They play a vital role in aeration processes, where compressed air is introduced into water or wastewater to promote biological treatment and ensure effective removal of contaminants.
  • 9. Printing and Packaging: Screw compressors are employed in printing and packaging industries for applications such as air drying, air cushioning, and powering pneumatic systems in printing presses and packaging machinery. They ensure consistent and reliable compressed air supply for efficient production processes.
  • 10. Automotive and Transportation: Screw compressors are used in automotive and transportation industries for applications such as air conditioning systems in vehicles, pneumatic braking systems, and compressed air supply for tire inflation and maintenance.

These are just a few examples, and screw compressors find applications in numerous other industries, including textiles, plastics, pulp and paper, steel and metal fabrication, electronics manufacturing, and more. The versatility and reliability of screw compressors make them a popular choice across a wide range of industrial sectors.

air compressor

What Is the Role of Control Systems in Screw Compressor Operation?

Control systems play a crucial role in the operation of screw compressors. Here’s a detailed explanation:

Screw compressors are complex machines that require precise control and monitoring for optimal performance and efficiency. Control systems provide the necessary intelligence and automation to regulate various aspects of screw compressor operation. Here are the key roles of control systems:

1. Start-up and Shutdown Control:

Control systems manage the start-up and shutdown sequences of screw compressors. During start-up, the control system ensures a gradual ramp-up of motor speed and system pressure to prevent sudden surges and excessive wear on components. During shutdown, it safely brings the compressor to a stop and performs necessary cooling and ventilation processes.

2. Load and Unload Control:

Screw compressors often feature load and unload operation to match compressed air supply with demand. The control system monitors system pressure, flow requirements, and other parameters to determine when to load or unload the compressor. It engages or disengages the compressor’s capacity control mechanism, such as inlet modulation valves or variable-speed drives, to maintain optimal operation at varying loads.

3. Pressure Control:

Control systems regulate the discharge pressure of screw compressors. They continuously monitor the system pressure and adjust compressor operation to maintain the desired pressure setpoint. The control system modulates the compressor’s capacity, adjusts the speed of the drive motor, or controls the opening and closing of inlet or discharge valves to achieve the target pressure.

4. Temperature Control:

Control systems monitor and control various temperature parameters within the screw compressor system. They ensure that the compressor operates within safe temperature limits by monitoring coolant temperatures, lubricant temperatures, and interstage or discharge temperatures. If temperature limits are exceeded, the control system may activate cooling mechanisms, adjust operating parameters, or trigger alarms and shutdowns to prevent damage.

5. Monitoring and Protection:

Control systems provide comprehensive monitoring and protection functions for screw compressors. They continuously collect data from various sensors and instruments, such as pressure sensors, temperature sensors, vibration sensors, and current sensors. The control system analyzes this data to detect abnormalities, malfunctions, or potential failures. It can initiate alarms, shutdowns, or safety interlocks to protect the compressor and associated equipment.

6. Energy Management:

Control systems optimize energy efficiency in screw compressor operation. They analyze system demand, performance characteristics, and energy consumption to make intelligent decisions regarding load modulation, capacity control, and motor speed adjustments. By optimizing the compressor’s operation, the control system helps reduce energy consumption, operating costs, and environmental impact.

7. Remote Monitoring and Control:

Modern control systems often offer remote monitoring and control capabilities. They can be integrated into supervisory control and data acquisition (SCADA) systems or connected to networked platforms. Remote access allows operators to monitor compressor performance, adjust operating parameters, receive alarms, and perform diagnostics from a central control room or via mobile devices.

In summary, control systems play a vital role in the operation of screw compressors by providing intelligent control, monitoring, and protection. They manage start-up and shutdown sequences, regulate load and unload operation, control pressure and temperature, monitor system parameters, optimize energy efficiency, and enable remote monitoring and control. By effectively managing the compressor’s operation, control systems contribute to reliable performance, energy efficiency, and overall system optimization.

air compressor

What Are the Maintenance Requirements for Screw Compressors?

Screw compressors require regular maintenance to ensure optimal performance, reliability, and longevity. Here’s a detailed overview of the maintenance requirements for screw compressors:

  • 1. Lubrication: Screw compressors rely on proper lubrication to reduce friction, minimize wear, and maintain efficient operation. Regular lubrication of the rotor bearings, seals, and other moving parts is essential. The type and frequency of lubrication may vary depending on the compressor’s design and manufacturer’s recommendations.
  • 2. Filter Replacement: Screw compressors have intake filters that prevent dust, debris, and contaminants from entering the compression chamber. These filters need to be inspected regularly and replaced or cleaned as necessary to ensure unrestricted airflow and prevent damage to the compressor components.
  • 3. Cooling System Maintenance: Screw compressors may have cooling systems, such as air or water coolers, to dissipate heat generated during compression. The cooling system should be inspected periodically, and any blockages or leaks should be addressed promptly to maintain optimal cooling efficiency.
  • 4. Inspection of Belts and Couplings: If the screw compressor is belt-driven or connected through couplings, regular inspection of belts, pulleys, and couplings is necessary. Worn or damaged belts should be replaced, and couplings should be checked for alignment and tightness to ensure smooth power transmission.
  • 5. Cleaning of Heat Exchangers: Heat exchangers in screw compressors, such as intercoolers and aftercoolers, can accumulate dirt, scale, and other deposits over time. Regular cleaning of these heat exchangers is important to maintain their heat transfer efficiency and prevent overheating of the compressed air or gas.
  • 6. Inspection of Seals and Gaskets: The seals and gaskets in a screw compressor play a critical role in maintaining proper compression and preventing air or gas leakage. Regular inspection of these components is necessary to detect any signs of wear, damage, or leakage. Faulty seals or gaskets should be replaced promptly to maintain the compressor’s efficiency.
  • 7. Regular Performance Testing: Periodic performance testing of screw compressors is recommended to assess their operating parameters, such as discharge pressure, flow rate, and power consumption. This helps identify any deviations from the expected performance and allows for adjustments or repairs as needed.

It’s important to note that the specific maintenance requirements for screw compressors may vary depending on the compressor’s design, manufacturer’s recommendations, operating conditions, and usage. Consulting the compressor’s manual and following the manufacturer’s guidelines is crucial for maintaining the compressor effectively and ensuring its reliable operation over time.

China OEM Refrigeration Unit with Frascold Screw 2 Compressors 60HP   air compressor lowesChina OEM Refrigeration Unit with Frascold Screw 2 Compressors 60HP   air compressor lowes
editor by CX 2024-02-14

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