NRVA Check Valves for Industrial Refrigeration
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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.