Cast Steel Wedge Gate Valve
l Long threaded stem;
l Valves, of which pressure is 2.5MPa and above, use spacer ring and graphite seal; Valve, of which pressure is 1.6Mpa, use graphite seal. Dual packing spacer rings can be ordered;
l The overall rail in valve body could ensure the gate in central at any position in open and close;
l Elastic wedge gate could compensate distortion of seat surface and distortion of valve body due to pipe stress;
l Blow-out proof stem designation
l Elastic glide nut connecting wedge and stem can be disconnected in case of emergency, to prevent the stem to fracture at the connection;
l Seat with cobalt surfacing is installed with seal welding. Threaded seat could be customized as requirement.