High quality PPH ball check valve 1)Mterial:PPH 2)Size: DIN15-250 3)Standard:HG,ANSI, DIN, HG High quality PPH ball check valve 1.Item: High quality PPH ball check valve2.Size:DN15-DN3003.Material:UPVC,CPVC,FRPP,PVDF,PPH4.Standard:HG,ANSI, DIN,JIS 5.Type: ball,swing our company advantage: 1.we have own factory for over 20 years with competitive price and good quality.2.our products is accepted by ...