发明名称 |
High Temperature Ball Valve Seal |
摘要 |
A high temperature ball valve seal is disclosed that achieves Class IV shutoff for operating temperatures above 550 degrees F. The ball valve seal includes a C-seal positioned between a main seal and a seal housing to prevent fluid from flowing through a secondary flowpath when the ball valve is in a closed position.
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申请公布号 |
US2009065726(A1) |
申请公布日期 |
2009.03.12 |
申请号 |
US20070850981 |
申请日期 |
2007.09.06 |
申请人 |
FISHER CONTROLS INTERNATIONAL LLC |
发明人 |
HOSTETTER STEVEN K.;MILLER LISA M. |
分类号 |
F16K5/06 |
主分类号 |
F16K5/06 |
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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