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LD -80℃~-30℃
LD -80℃~-30℃
LD -80℃~-30℃
LD -80℃~-30℃
LD -80℃~-30℃
LD -80℃~-30℃

LD -80℃~-30℃ Water Cooled Chiller

Rapid liquid cooling
  • Cooling capacity @-75℃4kW~180kW
  • Power range14kW~588kW
  • Expansion tank100L~750L
  • RefrigerantR404A/R23 or R508B
  • Weight950KG~8000KG
  • Details
  • Place of OriginChina

Parameters Detailed

LNEYA specializes in the production of single-fluid cryogenic chillers. The refrigeration temperature ranges from -150°C to -5°C, which can meet the needs of different refrigeration temperatures. The company developed a direct-cooled ultra-low temperature chiller, using international brand compressors Carrier, using automatic cascade refrigeration mode and mixed refrigerants, within 3 minutes can be refrigerated to minus 120°C.

Offer machine installation and system test, users only need to finish the installation of refrigerant and cooling water.

Configuration Details

ModelLD-4WLD-6WLD-8WLD-12WLD-20WLD-30WLD-40WLD-60WLD-90WLD-120WLD-180W
Temperature Range -80°C~ -30°C  
Cooling Capacity 
At -75°C
4kw6kw8kw12kw20kw30kw40kw60kw90kw120kw180kw
 3440Kcal/h5160Kcal/h6880Kcal/h10320Kcal/h17200Kcal/h25800Kcal/h34400Kcal/h51600Kcal/h77400Kcal/h103200Kcal/h154800kcal/h
Circulation Pump Info6.6m³/h6.6m³/h9m³/h15m³/h25m³/h25m³/h25m³/h////
 2.5bar max2.5bar max2.5bar max2.5bar max2.5bar max2.5bar max2.5bar max////
Inlet&outlet connection sizeDN-25
PN-10
DN-25
PN-10
DN-32
PN-10
DN-40
PN-10
DN-50
PN-10
DN-50
PN-10
DN-50
PN-10
DN-65
PN-10
DN-65
PN-10
DN-80
PN-10
DN-80
PN-10
Cooling Water at 30 degree10m³/h14m³/h20m³/h25m³/h35m³/h45m³/h65m³/h90m³/h120m³/h180m³/h250m³/h
Expansion tank(standard)100L175L250L350L500L600L750L////
CompressorDorin semi-closed compressorDorin compressor/HANBELL、Fusheng、Bitzer screw compressor
Operation Panel7-inch color touch screen display, temperature curve record
Control SystemPLC&Module,Set temperature difference of refrigeration on & off
Circulation PumpThe whole system is a full closed circulation, there is no oil mist at high temperature and no water vapor at low temperature, pressure do not rise up when system is running. The system will supplement oil automatically at low temperature
Circulation PumpLNEYA Mangetic Pump
EvaporatorPlate heat exchanger
CondenserCasing type water-cooled condenser / tube-type water-cooled condenser
Intermediate heat exchangerPlate heat exchanger
Refrigeration accessoryOil separators, drying filters, expansion valves, refrigeration solenoid valves, pressure control, mirrors, etc. all use Emerson / Danfoss and other brands
ElectricAC contactors, intermediate relays, circuit breakers, thermal relays, etc. are Schneider / ABB brand
RefrigerantR404A/R23/R508B
Secondary refrigerantEthanol, dichloromethane, heat transfer oil, etc.
Safety ProtectionHigh pressure protect; water supply cut-off protection; over-current protection; leakage protection; sequential and phase failure protection; High temperature protection; Sensor Failure protection; Liquid low level protection etc. multi-safety protection
Level IndicatorAdopt glass liquid level indication
Piping materialExpansion tank, cold storage tank and circulation pipeline are all made of SUS304
Case materialChannel steel + square tube + cold rolled plate        sealing plate spray 7035
Dimension cm100*150*185200*145*205200*145*205250*145*225250*145*205350*160*245400*160*245400*160*245500*200*260650*200*260650*220*260
Power24kW27kW38kW51kW69kW101kW136kW200kW295kW396kW588kW
dBwithin 75 dBwithin 80 dBwithin 90 dB
Weight (kg)950kg1100kg1400kg1800kg2200kg3000kg3500kg4000kg5000kg6000kg8000kg
OptionalOptional outside touch screen display controller (separated), the communication line distance is 10 meter
OptionalOptional explosion-proof touch screen control system (ExdeIIBT4), the communication line distance is 15 meter

Working Principle

1.The basic principle of Ultra-Low Temp. Water-Cooled Chiller is that under ultra-low temperature, the movement of molecules is slowed down until the surface of the trapped and frozen cryogenic coiled tubes is slowed down, and the vapor is easy to be arrested, set and frozen, and the capture rate is high.

2.The secondary supercooling technology is adopted, with rapid refrigeration and low temperature.

Widely used in chemical, pharmaceutical, biochemical and other industries in the field of low temperature reaction, refrigeration speed, safety and reliability. 

This model is a water-cooled chiller. Refrigerant lines and cooling water lines need to be installed.

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