... .Nominal pressure:1.6MPa 2.working medium:cold&hot water.gas.oil.CODEDNLHH17715401021521097716brass reducing valve50120174118 Strainer check vavle:SIZE: 1/2'', 3 ... , 20, 25, 32, 40, 50Nominal pressure :PN ≤1.6MPaApplicable medium: water,gas ect.Applicable temperature : -20°c≤T≤120°c Welcome ...