A wedge gate valve is a type of gate valve. It is named because its sealing surface is at an angle to the vertical centerline, that is, the two sealing faces are wedge-shaped.
Different from parallel gate valves, wedge gate valves also have wedge-shaped single gate valves. The two sealing faces of the most commonly used wedge gate valves form a wedge shape, and the wedge angle varies with valve parameters, typically 50. The gate of the wedge gate valve can be made into a whole, called a rigid gate; it can also be made into a gate that can produce a small amount of deformation to improve its processability and make up for the deviation of the sealing surface angle during the machining process. The board is called a resilient shutter.
The opening and closing member of the wedge gate valve is a gate. The direction of movement of the gate is perpendicular to the direction of the fluid. The wedge gate valve can only be fully open and fully closed, and is not suitable for adjustment and throttling. The wedge gate valve generally opens and closes the valve through the valve stem moving up and down with the rotating handwheel. There are two types of open wedge wedge gate valves and dark wedge wedge gate valves. The stem wedge valve is a valve stem that moves up and down and the stem nut is fixed. The dark rod gate valve is fixed by the valve stem, and the stem nut has been moved up and down.
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