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KITZ cast iron flange gate valve in Kitazawa, Japan: the opening and closing part of the gate valve is the gate, and the movement direction of the gate is perpendicular to the fluid direction. The gate valve can only be fully opened and fully closed, not adjusted and throttled. The ram has two sealing surfaces. In the common mode, the two sealing surfaces of the ram valve form a wedge, and the wedge angle varies with the valve parameters, usually 50. When the medium temperature is not high, it is 2 ° 52 '.
