发明授权
- 专利标题： Seat for gate valve
- 专利标题（中）： 闸阀座
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申请号： US699369申请日： 1996-08-19
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公开(公告)号： US5762320A公开(公告)日： 1998-06-09
- 发明人: Michael R. Williams , Lien-Yan Chen
- 申请人： Michael R. Williams , Lien-Yan Chen
- 申请人地址： IL Chicago
- 专利权人： FMC Corporation
- 当前专利权人： FMC Corporation
- 当前专利权人地址： IL Chicago
- 主分类号： F16K3/02
- IPC分类号： F16K3/02 ; F16K3/00
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.
公开/授权文献
- US5143359A Swivel clamp guard 公开/授权日：1992-09-01
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