Pressure seal gate valve is widely used in electric power, petroleum, chemical industry and other industries, belongs to the field of automation control technology. The characteristics of the WCD class pressure seal gate valve is inserted into the valve cover, stem on the valve stem head set of ram into the valve body, and the pressure sealing ring, sealing ring, snap ring, plate in turn into the valve body, valve installed on the valve cover, valve cover are installed on the right and left clip clip
