Improved flat gate valve
A flat gate valve, an improved technology, applied in sliding valves, valve details, valve devices, etc., can solve the problems of reduced valve sealing performance, valve leakage, no valve seat dustproof structure, etc., to save spraying costs and prolong use. Longevity, effect of easy grinding process
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[0026] Below in conjunction with accompanying drawing, the present invention is described further below:
[0027] As shown in the accompanying drawings, the present invention includes a valve body, a valve seat, a valve stem, a gate plate, a valve cover and an operating mechanism, the valve seat is placed in the valve body, the gate plate and the valve seat are tightly fitted, and the One end of the valve stem is connected to the gate, the other end is connected to the operating mechanism, the valve cover is fixedly connected to the valve body, the bottom of the valve body cavity is provided with a sewage hole, and the sealing areas on both sides of the gate are or / or and the diversion area are sprayed with tungsten carbide alloy protrusions. The shape of the gate is automatic positioning (which mainly depends on the self-weight of the gate and the symmetrical structure of the gate lifting groove) and the guiding structure (as shown in the figure below, the gate has a symmetric...
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