Erosion prevention structure for sealing surface of valve
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United States of America
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Feb 18, 2020
Grant Date -
Jan 10, 2019
app pub date -
Nov 14, 2016
filing date -
Nov 14, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
An erosion prevention structure for a sealing surface of a valve includes a valve body, a valve seat, a valve core, a valve sleeve and a valve rod. A valve seat mounting hole is provided in the valve body and located between a medium outlet and a cavity; the valve seat is arranged in the valve seat mounting hole; the top surface of the valve seat is provided with an annular table; the outside surface of the annular table is a sealing surface A, wherein an included angle is formed between the sealing surface A and a horizontal surface; an annular flange is arranged at the bottom of the valve core and located at the outer side of the valve core; the inside surface of the annular flange is a sealing surface B, wherein an included angle is formed between the sealing surface B and a horizontal surface.
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