Overflow valve
A technology for overflow valves and valve bodies, which can be used in safety valves, balance valves, valve devices, etc., and can solve the problems such as the valve seat not being tightly sealed, and achieve the effects of ensuring linear motion, simple structure, and convenient use
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[0014] see Figure 1 to Figure 4 It is an embodiment of an overflow valve of the present invention, an overflow valve, comprising a valve sleeve 1, a valve body 2, and a stainless steel valve seat 3, the valve sleeve 1 is provided with a flow hole 4 along the axis, and the valve sleeve 1 A first setting cavity 5 is opened at the tail end of the first setting cavity 5, an inner thread is arranged on the inner wall of the first setting cavity 5, and the flow hole 4 is communicated with the first setting cavity 5;
[0015] The front part of the valve body 2 is matched with the first setting cavity 5, the outer circumference of the front part of the valve body 2 is provided with external threads, and the valve body 2 also has a circulation hole 4 along the axis. The front part of the body 2 is provided with a second setting cavity 6;
[0016] The front end of the stainless steel valve seat 3 is pressed against the first setting cavity 5 of the valve sleeve 1 to close the flow hol...
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