NRVA
Check valve type NRVA can be used in liquid,suction and hot gas lines in refrigeration and airconditioning plant with ammonia.NRVA can also be used in refrigerating systemswith fluorinated refrigerants.When the NRVA is used in liquid lines wherecold, thick oil or impurities may be present, it isrecommended that the standard spring bereplaced by a special spring."Important!The products described in this data sheet are not recommended for use in heat pump applications. For further information or to explore alternative products, please contact Danfoss."
Features and benefits
- Ensures correct direction of flow
- Valve housing made of steel
- Available for 40 bar / 580 psig working pressure
- Large range of flanges with connection dimensions in accordance with standards: DIN, ANSI, SOC, SA and FPT
- Fitted with damping piston that makes the valves suitable for installation in lines where pulsation can occur, e.g. in the discharge line from the compressor