CA1321574C - Valve stem seal - Google Patents
Valve stem sealInfo
- Publication number
- CA1321574C CA1321574C CA000587630A CA587630A CA1321574C CA 1321574 C CA1321574 C CA 1321574C CA 000587630 A CA000587630 A CA 000587630A CA 587630 A CA587630 A CA 587630A CA 1321574 C CA1321574 C CA 1321574C
- Authority
- CA
- Canada
- Prior art keywords
- base
- exterior
- interior
- axially
- extending
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Sealing With Elastic Sealing Lips (AREA)
- Details Of Valves (AREA)
- Gasket Seals (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP88302541A EP0333943B1 (en) | 1988-03-23 | 1988-03-23 | Valve stem seal |
EP88302541.3 | 1988-03-23 | ||
US18902788A | 1988-05-02 | 1988-05-02 | |
US07/189,027 | 1988-05-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1321574C true CA1321574C (en) | 1993-08-24 |
Family
ID=26115932
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA000587630A Expired - Fee Related CA1321574C (en) | 1988-03-23 | 1989-01-06 | Valve stem seal |
Country Status (3)
Country | Link |
---|---|
JP (1) | JP2619946B2 (no) |
CA (1) | CA1321574C (no) |
NO (1) | NO170439C (no) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9863551B2 (en) | 2014-12-22 | 2018-01-09 | Ge Oil & Gas Pressure Control Lp | Dynamic stem packing |
-
1989
- 1989-01-06 CA CA000587630A patent/CA1321574C/en not_active Expired - Fee Related
- 1989-02-10 JP JP1032514A patent/JP2619946B2/ja not_active Expired - Fee Related
- 1989-03-16 NO NO891138A patent/NO170439C/no unknown
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9863551B2 (en) | 2014-12-22 | 2018-01-09 | Ge Oil & Gas Pressure Control Lp | Dynamic stem packing |
US10302222B2 (en) | 2014-12-22 | 2019-05-28 | Ge Oil & Gas Pressure Control Lp | Dynamic stem packing |
Also Published As
Publication number | Publication date |
---|---|
NO170439B (no) | 1992-07-06 |
NO891138D0 (no) | 1989-03-16 |
NO891138L (no) | 1989-09-25 |
JP2619946B2 (ja) | 1997-06-11 |
JPH01242890A (ja) | 1989-09-27 |
NO170439C (no) | 1992-10-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US5031923A (en) | Valve stem seal | |
US6655658B2 (en) | Plug valve assembly and fluid flow control method with improved low pressure sealing | |
US5979491A (en) | Valve arrangement adaptable to meet different leakage requirements | |
US7249751B2 (en) | Ball valve with shear bushing and integral bracket for stem blowout protection | |
US4113268A (en) | Extended temperature range valve seal | |
EP0046663B1 (en) | Fluid flow control valve with fire-safe seal | |
US4750709A (en) | Diaphragm valve | |
US3515371A (en) | Valve and valve seat | |
JP3653279B2 (ja) | 改良された弁座を有するバルブ組立体 | |
GB2032583A (en) | Heat responsive back seat arrangement for valve stems | |
US3988000A (en) | Seals for a gas service butterfly valve | |
US5259590A (en) | Valve seat for high temperature valve | |
JP2002509230A (ja) | ボール弁棒シール | |
US5242148A (en) | Upper valve part | |
US3450385A (en) | Grooved valve disc | |
US4356997A (en) | Flow control mechanism for high pressure wells | |
CA1321574C (en) | Valve stem seal | |
CA1284978C (en) | Stem seal for tapered lubricated plug valves | |
CA1055005A (en) | Single double backseat | |
CA1208191A (en) | Bidirectional valve seal | |
US5209256A (en) | Sealing arrangements | |
JPH03157574A (ja) | 着脱自在挿入体を有する弁 | |
GB2074294A (en) | Plug Valve for Reduced Leakage | |
JPS6218788B2 (no) | ||
US5601276A (en) | Retrofit valve stem seal assembly |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
MKLA | Lapsed |