Compound sealing high-temperature flat gate valve
A compound sealing, flat gate valve technology, applied in the direction of sliding valve, valve device, engine components, etc., can solve the problems of difficult to achieve valve sealing, easy leakage, elastic attenuation, etc., and achieve the effect of reliable sealing
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[0030] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings.
[0031] like figure 1 , figure 2 As shown, the present invention includes a valve seat 1, a spring seat 3 is provided between the valve seat 1 and the valve body 2, the non-sealed end of the valve seat 1 runs through the spring seat 3, and a seal is provided between the non-sealed valve seat 1 and the valve body 2. Gasket 4 and sealing gasket 4 are made of high temperature resistant materials, such as asbestos, etc. Graphite packing 5 is installed on the outer periphery of valve seat 1, and the non-sealed end of valve seat 1 and spring seat 3 are adapted through a circular structure;
[0032] The sealing surface of the valve seat 1 is provided with a grease injection groove 6 along the circumferential direction. The grease injection groove 6 divides the sealing s...
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