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Double-machine cascade refrigeration unit

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Product description
Parameters
The RX (FD) series of cascade refrigeration units are designed to provide users with low temperature brines for recycling from -35 ° C to -80 ° C.
This product is suitable for all kinds of chemical, mechanical, pharmaceutical and other industries where low temperature brine is required as a refrigerant.
1. Compressor: Bock.Bitzer imported from Germany has stable performance and low failure rate. Refrigerant: low temperature environmentally friendly refrigerant R404A/R23
2. German siemens industrial grade PLC + color LCD touch screen control system, with high degree of automation, precise control and unattended value. Can meet the 24-hour continuous production needs.
3. Convenience: The unit adopts advanced PLC control technology to realize one-button automatic operation. We can also realize multi-machine joint control and remote control according to your requirements.
4. The unit has been calibrated and the whole machine is qualified for delivery. The user can simply use the water source and power supply to use.
 
Product Number
Project Unit RXH35D(FD) RXH40D(FD) RXH45D(FD) RXG54D(FD) RXG75D(FD) RXG98D(FD)
Coolant temperature / cooling capacity -45℃~-50℃ kW 29.7 34 38.5 45.9 54.1 83.4
-55℃~-60℃ 19.2 22.1 25.3 32.2 44.37 58.2
-65℃~-70℃ 11.5 14.8 16.5 20.6 33.6 37.8
Power Supply            
Distribution Power kW 33 43 50 68 88 102
Primary Compressor Operating Power kW 17.7 19.4 23 35.9 45.6 51
The Refrigerant              
Startup Mode      
Secondary Compressor Operating Power kW 16.35 19.2 21.1 25.2 33.2 41.6
The Refrigerant              
Startup Mode              
Condensing Evaporator Type              
Evaporator Type              
Coolant flow m³/h 12.7 14.6 16.5 19.7 23.2 35.7
Condenser Type              
Water flow m³/h 10.9 12.4 14.2 18.3 22.8 30.2
Refrigerant Control Expansion valve              
Safety Device                
Take Over Specifications Condenser mm DN40 DN50 DN50 DN65 DN65 DN80
Evaporator mm DN50 DN50 DN65 DN65 DN80 DN80
Dimensions (L) mm 2000 2200 2400 2600 2800 3000
(W) mm 1000 1000 1100 1100 1200 1200
(H) mm 1650 1700 1700 1750 1750 1800
Weight Net Weight kg 870 1053 1323 1695 1860 2280
Running Weight kg 957 1158 1455 1865 2046 2508
 
Product number
Project Unit RXG106D(FD) RXG130D(FD) RXG143D(FD) RXG168D(FD) RXG178D(FD) RXG195D(FD) RXG211D(FD) RXG232D(FD)
Coolant temperature / cooling capacity -45℃~-50℃ kW 90.8 110.7 121.5 143.2 151.2 165.4 179.1 197.2
-55℃~-60℃ 63.4 77.3 84.8 99.9 105.6 115.5 125.2 137.7
-65℃~-70℃ 40.8 49.8 54.6 64.3 68.2 71.8 80.6 88.6
Power Supply 3φ-380V-50Hz
Distribution Power kW 113 128 148 158 168 188 208 238
Primary Compressor Operating Power kW 59.7 67.1 76.4 80.3 88.3 96.1 105.2 124.3
The refrigerant   R404a
Startup mode   Y-△Start
Secondary compressor Operating power kW 45.6 55.6 60.5 68.2 71.7 78.9 86.1 95.7
The refrigerant   R23
Startup mode   Y-△Start
Condensing evaporator Type   Plate heat exchanger
Evaporator Type  
Coolant flow m³/h 38.9 47.4 52.1 61.4 64.8 70.9 76.8 84.5
Condenser Type   Shell and tube heat exchanger
Water flow m³/h 33.6 40.0 44.3 50.0 53.3 58.4 63.5 71.5
Refrigerant control Expansion valve   Temperature-sensitive external pressure equalizing thermal expansion valve / electronic expansion valve
Safety device     High and low voltage protection, antifreeze, heat protection, double protection, safety valve, overload protection, phase loss, reverse phase, under voltage, over voltage, water flow protection, etc.
Take over specifications Condenser mm DN80 DN80 DN80 DN100 DN100 DN100 DN100 DN100
Evaporator mm DN80 DN100 DN100 DN100 DN100 DN100 DN100 DN100
Dimensions (L) mm 3200 3400 3600 3800 3800 4000 4100 4200
(W) mm 1300 1400 1500 1500 1500 1600 1600 1800
(H) mm 1850 1900 1900 2000 2000 2100 2100 2200
weight Net weight kg 2880 3285 3480 3540 3600 3780 4140 4650
Running weight kg 3168 3614 3828 3894 3960 4158 4554 5115
 
Note:
1. The cooling capacity is measured under the following temperature conditions: the coolant is alcohol; the cooling water inlet/outlet temperature is 32/37 °C.
2. Working range:
         Cooling water outlet temperature is 22 ° C to 37 ° C
         Cooling water inlet temperature difference is 3.5 ° C to 10 ° C
         Freezing fluid outlet temperature is -40 ° C to -80 ° C
         The temperature difference between the inlet and outlet of the freezing liquid is 2.5 ° C to 10 ° C
3, the factory is equipped with pairs of cooling water, freezing fluid inlet and outlet connection flange, the carrier (alcohol) by the user.
4. The above specifications are subject to change without prior notice. This will help our company to bring the latest scientific and technological achievements to customers at any time.
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