发明名称 |
Seat for gate valve |
摘要 |
A gate valve is disclosed which includes a modified valve seat designed to reduce stress concentrations and wear between the gate and the valve seat. The valve seat includes a relief groove positioned on the inner diameter of the valve seat relatively close to the seating surface of the valve seat.
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申请公布号 |
US5762320(A) |
申请公布日期 |
1998.06.09 |
申请号 |
US19960699369 |
申请日期 |
1996.08.19 |
申请人 |
FMC CORPORATION |
发明人 |
WILLIAMS, MICHAEL R.;CHEN, LIEN-YAN |
分类号 |
F16K3/02;(IPC1-7):F16K3/00 |
主分类号 |
F16K3/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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