... for DN50 and aboveGeneral features and options for customized brass ball valves: 1. Brass body material: CuZn39Pb2, CW617n, CW614n, HPb59-1, HPb57- ... , DZR.3. Body finish: brass color or nickle plating 4. Flow port: standard flow, full flow, reduced flow5. Ball material: brass, stainless steel, PVC6. Sealing ... Forged BodyCW614n, CW617n, Lead Free, DZR10Ball SeatPTFE PN40 BSP Threaded Brass Ball Valve