Introduction of Japanese standard gate valve

Japanese standard gate valve is a kind of gate valve. Its production standards are produced according to Japanese standards. The opening and closing part of the gate valve is the gate, and the movement direction of the gate valve is perpendicular to the direction of the fluid. Gate valves can only be fully opened and closed, and cannot be adjusted or throttled. The gate has two sealing surfaces, and the two sealing surfaces of the most commonly used mode gate valve form a wedge. The wedge angle varies with the valve parameters, generally 50, and 2 52 when the medium temperature is not high. #39; . The gate of wedge gate valve can be made into a whole, called rigid gate; It can also be made into a ram that can produce a small amount of deformation to improve its manufacturability and make up for the deviation of sealing surface angle during machining. This kind of hammer is called elastic hammer. The types of gate valves can be divided into wedge gate valves and parallel gate valves according to the sealing surface configuration, and wedge gate valves can be divided into single gate valve, double gate valve and elastic gate valve. Parallel gate valves can be divided into single gate type and double gate type. According to the thread position of the valve stem, it can be divided into two types: open stem gate valve and hidden stem gate valve.