... ,ISO,API, ABS Structure:butterfly valve Cast iron rubber lined wafer type butterfly valvesize: 2''- ... pressure: 150lb;4. self cleaning function Cast iron rubber lined wafer type butterfly valve feature: Design ... Iron , Bronze / Aluminum Iron, SS304Disc: Cast Iron , Ductile Iron , Bronze , SS304Seat: EPDM , PTFE , NBR , VITONShaft: Carbon Steel , Stainless SteelCoating: Epoxy Resin Or Other Available On ...