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The range of check valves Danfoss NRVA can be used in liquid, suction and hot gas lines in refrigeration and air conditioning plants with HCFC, HFC and R717 (ammonia) refrigerants. Valves ensure the correct flow direction and prevent back-condensation from a warm part of the system to the cold evaporator. Maximum operating pressure 40 bar.

The valve body designed of low temperature steel. A wide range of flanges with connection dimensions in accordance with standards: DIN, ANSI, SOC, SA and FPT. Valves Danfoss NRVA are fitted with damping piston that makes them suitable for installation in lines where pulsation can occur, e.g. in the discharge line from the compressor.

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