... BoreMaterial: WCB, FC, CF8, CF3, CF8M, CF3M, etc.Ball and Stem: SS304, SS316, SS304L, SS316L, etc.Valve Seat: PTFE ... PetrochemecalPulp / Paper / Water / Wastewater / MarineNotesThe specifications can be designed and satisfied for customers’ special requirements. The product is designed by ... one year,life long serviceNote: our head office and main plant are located in Sanchung City,Taiwan. another two ...