发明授权
US4116208A Method of and apparatus for pressure buffering all leak paths of a lined
plug valve
失效
用于压力缓冲内衬旋塞阀的所有泄漏路径的方法和装置
- 专利标题: Method of and apparatus for pressure buffering all leak paths of a lined plug valve
- 专利标题(中): 用于压力缓冲内衬旋塞阀的所有泄漏路径的方法和装置
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申请号: US757355申请日: 1977-01-06
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公开(公告)号: US4116208A公开(公告)日: 1978-09-26
- 发明人: Russell G. Smith
- 申请人: Russell G. Smith
- 申请人地址: OH Cincinnati
- 专利权人: Xomox Corporation
- 当前专利权人: Xomox Corporation
- 当前专利权人地址: OH Cincinnati
- 主分类号: F16J15/40
- IPC分类号: F16J15/40 ; F16K5/02 ; F16K5/22 ; F16K5/16
摘要:
External and internal leakage of line media from a plug valve is prevented by the continuous application of a buffering media at all potential leak paths at pressure greater than the pressure of the line media.
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