About Product:Soft seal gate valve, industrial valve, Soft seal gate valve opening and closing parts are the gate, the movement direction of the gate and the direction of the fluid vertical, Gate valve can only be fully open and closed, not for regulation and throttle. The gate has two sealing surfaces, and The two sealing surfaces of The most commonly, informs The pattern gate valves form a wedge, The wedge Angle varies with valve parameters, usually 50, and 2°52 \\\"\\\" when the medium temperature is not high.