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NRV NRVH Danfoss Type Refrigeraion Check Valve 1/4'' 3/8'' 1/2'' 5/8'' 3/4'' Flare
NRV and NRVH refrigeration check valves can be used in liquid, suction and hot gas lines in refrigeration and air conditioning plant with HCFC. HFC and HC flammable refrigerants. The valves ensure the correct flow direction and prevent back-condensation from a warm part of the system to the cold evaporator. A built-in damping piston makes the valves suitable for installation in lines where pulsation can occur. e. g. in the discharge line from the compressor.
Technical Data of NRV, NRVH Straightway Flare Check Valve:
| Model | Connection Type | Connection Size | Pressure drop across valve | Kv Value | Cv Value | Code no | ||
| inch | mm | bar | psi | m3/h | gal/min | |||
| NRV 6 | Straight-way, Flare | 1/4'' | 6 | 0.07 | 1.01 | 0.56 | 0.65 | 020-1040 |
| NRV 10 | 3/8'' | 10 | 0.07 | 1.01 | 1.2 | 1.39 | 020-1041 | |
| NRV 12 | 1/2'' | 12 | 0.05 | 0.72 | 2.05 | 2.37 | 020-1042 | |
| NRV 16 | 5/8'' | 16 | 0.05 | 0.72 | 3.6 | 4.16 | 020-1043 | |
| NRV 19 | 3/4'' | 19 | 0.05 | 0.72 | 5.5 | 6.36 | 020-1044 | |
Main Dimension of NRV, NRVH Straightway Flare Check Valve:
| Model | Connection | L | S | |
| Inch | mm | mm | mm | |
| NRV 6 | 1/4'' | 6 | 55 | 19 |
| NRV 10 | 3/8'' | 10 | 60 | 19 |
| NRV 12 | 1/2'' | 12 | 70 | 24 |
| NRV 16 | 5/8'' | 16 | 81 | 28 |
| NRV 19 | 3/4'' | 1995 | 34 | |
More Refrigeration Products for you to choose:
 |  |  |
| Refrigeration Solenoid Valve | Reversing Valve | Expansion Valve |
 |  |  |
| Hot Gas Bypass Valve | Crankcase Pressure Regulator | Ball Valve |
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