Cast/Ductile Iron Metal/Soft Seat Double Flange Centric Wafer Butterfly Valve

China Cast/Ductile Iron Metal/Soft Seat Double Flange Centric Wafer Butterfly Valve, Find details about China Gate Valve, BS5163 Gate Valve from Cast/Ductile Iron Metal/Soft Seat Double Flange Centric Wafer Butterfly Valve