brass gas ball valve Surface: Plated nickel or plated chrome or nature color. Size: 1/4'', 3/8'', 1/2'' brass gas ball valveSurface ... : 16Bar-25BarWorking Media: Gas2-piece body, full port, chrome plated ball, metal-to-metal body seal, PTFE seat, brass spindleAdjustable packing ... , steel or zinc-alloy handle. PVC handle cover. brass gas ball valve