Stem Gate Valve

The opening and closing part of the fire gate valve is the gate plate, the direction of the motion of the gate plate is perpendicular to the direction of the fluid, the gate valve can only be fully opened and fully closed, and can not be adjusted and throttled. The two sealing faces of the most commonly used mode gate valves form wedges, and the wedge Angle varies with the valve parameters, usually 50, and 2°52' when the medium temperature is not high.