... 3)Standard:HG,ANSI,DIN, HG 4)Pressure: 0.5-0.7MPA High quality UPVC swing check valve 1.Item: High quality UPVC swing check ... valve2.Size:DN25-DN2503.Material:UPVC,CPVC,FRPP,PVDF,PPH4.Standard:HG,ANSI, DIN,JIS ... be accepted.our product advantage:1.High quality with competitive price,short delivery time.2.Good quality material and advanced production equipment. ...