... brass gas valves FXF, nickle plated body chrome plated ball, PVC coated steel Handle PTFE, EPDM O-Ring seals China Manufacture Hot Forged Brass Gas ... ) General features and options for various brass gas valves: 1. Brass material: CuZn39Pb2, CW617n, CW614n, HPb59 ... standard flow, full flow, reduced flow5. Ball material: brass, stainless steel, PVC6. Sealing: PTFE, EPDM ... Chinese product brass gas valve