Is the gate gate valve opening and closing parts, perpendicular to the direction of movement and direction of flow of the gate, gate valve can be fully open and fully closed, can not be adjusted and the throttle. Gate valve with the valve stem with linear motion, called the lift rod valve (also called clear shot valve) / gate two sealing surface, the most commonly used mode of gate valve two sealing surface form a wedge, the wedge angle varies with the valve parameters, usually 50, medium temperature is not high

252 degree 52'.

underground valve

valve has the following advantages: fluid resistance, the sealing surface is distressed by the media to brush and erosion of school open and close more effort. Medium flow unrestricted, non spoiler, do not reduce the pressure

Ming bar gate