Double-machine cascade refrigeration unit

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Double-machine cascade refrigeration unit

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Product description

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
Evaporator	Coolant flow	m³/h	12.7	14.6	16.5	19.7	23.2	35.7
Condenser	Type
Condenser	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
Take Over Specifications	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
Weight	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		Plate heat exchanger
Evaporator	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
Condenser	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
Take over specifications	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
weight	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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