MX9401881A - Vastago de asiento trasero de bajo momento de torsion para una valvula decompuerta. - Google Patents
Vastago de asiento trasero de bajo momento de torsion para una valvula decompuerta.Info
- Publication number
- MX9401881A MX9401881A MX9401881A MX9401881A MX9401881A MX 9401881 A MX9401881 A MX 9401881A MX 9401881 A MX9401881 A MX 9401881A MX 9401881 A MX9401881 A MX 9401881A MX 9401881 A MX9401881 A MX 9401881A
- Authority
- MX
- Mexico
- Prior art keywords
- stem
- bearing ring
- low torque
- rear seat
- door valve
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K41/00—Spindle sealings
- F16K41/14—Spindle sealings with conical flange on the spindle which co-operates with a conical surface in the housing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K43/00—Auxiliary closure means in valves, which in case of repair, e.g. rewashering, of the valve, can take over the function of the normal closure means; Devices for temporary replacement of parts of valves for the same purpose
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/598—With repair, tapping, assembly, or disassembly means
- Y10T137/6065—Assembling or disassembling reciprocating valve
- Y10T137/6069—Having particularly packed or sealed mechanical movement actuator
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/598—With repair, tapping, assembly, or disassembly means
- Y10T137/6065—Assembling or disassembling reciprocating valve
- Y10T137/6072—Gate valve
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanically-Actuated Valves (AREA)
- Preventing Unauthorised Actuation Of Valves (AREA)
Abstract
Una válvula de compuerta adaptada para asentamiento posterior de vástagotiene un conjunto de vástago y sombrerete con un anillo de cojineterotatorio al cual se fija de manera liberable el vástago durante lasoperaciones normales de abertura y cierre de la compuerta. Durante elasentamiento posterior, el vástago es liberado del anillo de cojinete y elanillo de cojinete es fijado a la tapa de sombrerete, permitiendo unasentamiento posterior de bajo momento de torsión mediante la rotación delvástago relativo al anillo de cojinete y tapa de sombrerete.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/091,091 US5312087A (en) | 1993-07-12 | 1993-07-12 | Low torque back seating stem for gate valve |
Publications (1)
Publication Number | Publication Date |
---|---|
MX9401881A true MX9401881A (es) | 1995-01-31 |
Family
ID=22226025
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX9401881A MX9401881A (es) | 1993-07-12 | 1994-03-15 | Vastago de asiento trasero de bajo momento de torsion para una valvula decompuerta. |
Country Status (4)
Country | Link |
---|---|
US (1) | US5312087A (es) |
CA (1) | CA2116374C (es) |
GB (1) | GB2280011B (es) |
MX (1) | MX9401881A (es) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5732731A (en) * | 1996-09-24 | 1998-03-31 | Fmc Corporation | Secondary seal bypass valve for gate valves |
US5979483A (en) * | 1998-06-24 | 1999-11-09 | Occidental Chemical Corporation | Valve assembly and method |
SG11201401107QA (en) | 2011-09-30 | 2014-07-30 | Integrated Equipment Inc | Expanding gate valve assembly |
CN103453159B (zh) | 2012-06-03 | 2018-05-29 | 德朱瑞克公司 | 用于闸阀的耐磨环定位器 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2924233A (en) * | 1960-02-09 | michaels | ||
US3412750A (en) * | 1966-10-25 | 1968-11-26 | Alexander S. Volpin | Back sealing arrangement for gate valve stems |
US4149558A (en) * | 1977-05-25 | 1979-04-17 | Combustion Engineering, Inc. | Selective back seat valve |
GB2104194B (en) * | 1981-08-06 | 1985-02-06 | Combustion Eng | Backseating and stop for valve operator |
-
1993
- 1993-07-12 US US08/091,091 patent/US5312087A/en not_active Expired - Fee Related
-
1994
- 1994-02-24 CA CA002116374A patent/CA2116374C/en not_active Expired - Fee Related
- 1994-02-24 GB GB9403507A patent/GB2280011B/en not_active Expired - Fee Related
- 1994-03-15 MX MX9401881A patent/MX9401881A/es unknown
Also Published As
Publication number | Publication date |
---|---|
US5312087A (en) | 1994-05-17 |
CA2116374C (en) | 2000-10-10 |
CA2116374A1 (en) | 1995-01-13 |
GB2280011B (en) | 1997-07-16 |
GB9403507D0 (en) | 1994-04-13 |
GB2280011A (en) | 1995-01-18 |
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