NRVA Check Valves for Industrial Refrigeration

NRVA

Check valve type NRVA can be used in liquid, suction and hot gas lines in refrigeration and air conditioning plant with ammonia. NRVA can also be used in refrigerating systems with fluorinated refrigerants. When the NRVA is used in liquid lines where cold, thick oil or impurities may be present, it is recommended that the standard spring be replaced by a special spring.