Fixing valve rod
A technology for fixing valves and valve stems, applied in sliding valves, valve details, valve devices, etc., it can solve problems such as affecting sealing, valve stem instability, valve seat and gate damage, etc., to extend service life, reduce tremor, Smooth running effect
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[0012] The present invention is described below in conjunction with accompanying drawing.
[0013] attached figure 1 It is a fixed valve stem according to the present invention, including a valve body 1, a valve stem 2, a valve cover 3 and a balance seat 4; the valve stem 2 is installed inside the valve body 1, and both ends pass through the valve cover 3; The balance seat 4 is arranged inside the valve body 1 and passed through by the valve stem 2; the inside of the balance seat 4 is provided with a balance rod 5; the intersection of the valve stem 2 and the valve cover 3 is provided with a sealing ring 6; The outer surface of the valve stem 2 is provided with a wear-resistant ring 7; the part of the valve stem 2 and the valve cover 3 inside the valve body 1 is also provided with a fixed block 8; the fixed block 8 is provided with a top spring 9; The valve body 1 is made of stainless steel.
[0014] The solution of the present invention installs the balance seat 4 in the va...
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