High quality plastic check valve 1)Material: UPVC,FRPP,PVDF, PPH,CPVC 2)Size:DIN15-100 3)HG,ANSI,DIN,ANSI High quality plastic check valve 1.Item: High quality plastic check valve2.Material ... : UPVC,FRPP,PVDF, PPH,CPVC3.Size: DIN15-1004.Standard:HG,ANSI, DIN ...