... PC and 3-PC, Z15W gate valve, J11W cut-off valve, H11W check valve and Y-type filter are all manufactured by casting through ... /2PC/3PC or wafer type, PTFE seat, reduced bore for 1PC ball valve, full bore for 2PC/3PC ball valve, with or without mounting pad ... ISO5211 5) Material: WCB, CF8, CF8M etc. 6) Investment Casting body and cap. 7) Operation: Lever with ...