IT7951111A0 - Complesso di tenuta per valvole a saracinesca - Google Patents
Complesso di tenuta per valvole a saracinescaInfo
- Publication number
- IT7951111A0 IT7951111A0 IT7951111A IT5111179A IT7951111A0 IT 7951111 A0 IT7951111 A0 IT 7951111A0 IT 7951111 A IT7951111 A IT 7951111A IT 5111179 A IT5111179 A IT 5111179A IT 7951111 A0 IT7951111 A0 IT 7951111A0
- Authority
- IT
- Italy
- Prior art keywords
- sealing assembly
- gate valves
- valves
- gate
- sealing
- Prior art date
Links
- 238000007789 sealing Methods 0.000 title 1
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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
- F16K3/0227—Packings
-
- 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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
- F16K3/16—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with special arrangements for separating the sealing faces or for pressing them together
- F16K3/20—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with special arrangements for separating the sealing faces or for pressing them together by movement of the seats
- F16K3/207—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with special arrangements for separating the sealing faces or for pressing them together by movement of the seats by means of hydraulic forces
-
- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S251/00—Valves and valve actuation
- Y10S251/90—Valves with o-rings
-
- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S277/00—Seal for a joint or juncture
- Y10S277/91—O-ring seal
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sliding Valves (AREA)
- Gasket Seals (AREA)
- Safety Valves (AREA)
- Details Of Valves (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/971,269 US4192483A (en) | 1978-12-20 | 1978-12-20 | One piece seat ring with O-ring seal |
Publications (2)
Publication Number | Publication Date |
---|---|
IT7951111A0 true IT7951111A0 (it) | 1979-12-18 |
IT1120223B IT1120223B (it) | 1986-03-19 |
Family
ID=25518134
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT51111/79A IT1120223B (it) | 1978-12-20 | 1979-12-18 | Complesso di tenuta per valvole a saracinesca |
Country Status (7)
Country | Link |
---|---|
US (1) | US4192483A (it) |
JP (1) | JPS55123051A (it) |
CA (1) | CA1110288A (it) |
DE (1) | DE2950182C2 (it) |
FR (1) | FR2444867B1 (it) |
GB (1) | GB2039001B (it) |
IT (1) | IT1120223B (it) |
Families Citing this family (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4316598A (en) * | 1980-07-25 | 1982-02-23 | Vapor Corporation | Balanced relief valve with novel seal |
US4625942A (en) * | 1982-01-27 | 1986-12-02 | Nl Industries, Inc. | Valve assembly, seat and seal |
US4568062A (en) * | 1983-03-07 | 1986-02-04 | Fmc Corporation | Fire-resistant gate valve |
US4512359A (en) * | 1984-04-13 | 1985-04-23 | Daniel Industries, Inc. | Valve mechanism with replaceable seal rings |
US5501424A (en) * | 1994-02-09 | 1996-03-26 | Fmc Corporation | Wire cutting insert for gate valve |
US5464036A (en) * | 1994-02-09 | 1995-11-07 | Valgro, Ltd. | Orifice fitting with venting passage and injection seal |
US6349947B1 (en) * | 1999-06-23 | 2002-02-26 | Mve, Inc. | High pressure chamber door seal with leak detection system |
US6454015B1 (en) * | 1999-07-15 | 2002-09-24 | Abb Vetco Gray Inc. | Shearing gate valve |
CN101067458B (zh) * | 2002-01-18 | 2011-01-19 | 斯瓦戈洛克公司 | 具有整体式填密件的球阀 |
US6929244B1 (en) * | 2002-03-12 | 2005-08-16 | Vetco Gray Inc. | Interference-fit seal for gate valves |
US20080029972A1 (en) * | 2004-10-08 | 2008-02-07 | Tosoh Smd, Inc. | Low Leak O-Ring Seal |
US8740174B2 (en) * | 2006-12-12 | 2014-06-03 | Hydril Usa Manufacturing Llc | Dual-direction ram-type blowout preventer seal |
US7975761B2 (en) * | 2008-12-18 | 2011-07-12 | Hydril Usa Manufacturing Llc | Method and device with biasing force for sealing a well |
US8844898B2 (en) * | 2009-03-31 | 2014-09-30 | National Oilwell Varco, L.P. | Blowout preventer with ram socketing |
US8567490B2 (en) | 2009-06-19 | 2013-10-29 | National Oilwell Varco, L.P. | Shear seal blowout preventer |
US8459608B2 (en) * | 2009-07-31 | 2013-06-11 | Curtiss-Wright Flow Control Corporation | Seat and valve systems for use in delayed coker system |
US8544538B2 (en) | 2010-07-19 | 2013-10-01 | National Oilwell Varco, L.P. | System and method for sealing a wellbore |
US8540017B2 (en) | 2010-07-19 | 2013-09-24 | National Oilwell Varco, L.P. | Method and system for sealing a wellbore |
WO2012121866A2 (en) | 2011-03-09 | 2012-09-13 | National Oilwell Varco, L.P. | Method and apparatus for sealing a wellbore |
US20130119288A1 (en) * | 2011-11-16 | 2013-05-16 | Vetco Gray Inc. | Gate shear valve |
WO2013103715A1 (en) | 2012-01-03 | 2013-07-11 | Forum Us, Inc. | Valve seat retention pin |
CN102720852A (zh) * | 2012-05-31 | 2012-10-10 | 圣博莱阀门有限公司 | 一种耐磨滑板阀 |
US9249643B2 (en) | 2013-03-15 | 2016-02-02 | National Oilwell Varco, L.P. | Blowout preventer with wedge ram assembly and method of using same |
DE102014001726A1 (de) * | 2014-02-07 | 2015-08-13 | Walter Kramer | Schieberventil |
US9885420B2 (en) | 2015-05-07 | 2018-02-06 | Sri Energy, Inc. | Gate valve |
USD793345S1 (en) | 2015-09-04 | 2017-08-01 | Automatic Switch Company | Seal groove vent |
CN109237061B (zh) * | 2018-11-13 | 2019-05-31 | 江苏圣泰阀门有限公司 | 一种核电闸阀及加工方法 |
US11041569B2 (en) | 2019-05-03 | 2021-06-22 | Tapcoenpro, Llc | Systems and methods for floating seat plate |
US11725738B2 (en) * | 2019-10-24 | 2023-08-15 | Oil States Energy Services, L.L.C. | Valve assembly method |
WO2021127310A1 (en) * | 2019-12-18 | 2021-06-24 | Cameron International Corporation | Valve insert system |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2542390A (en) * | 1947-06-23 | 1951-02-20 | Rheem Mfg Co | Reciprocating piston-type valve |
US2542391A (en) * | 1947-07-14 | 1951-02-20 | Rheem Mfg Co | Water softener valve |
US2688975A (en) * | 1952-09-08 | 1954-09-14 | Paul L Born | Gas governor and automatic shutoff valve |
US2885176A (en) * | 1953-02-24 | 1959-05-05 | Walworth Co | Valve construction |
US2882009A (en) * | 1953-07-03 | 1959-04-14 | Walworth Co | Valve construction |
US2861771A (en) * | 1954-02-23 | 1958-11-25 | Walworth Co | Gate valve |
US2810543A (en) * | 1954-12-14 | 1957-10-22 | Walworth Co | Valve construction |
US3044741A (en) * | 1958-07-30 | 1962-07-17 | Grove Valve And Reguiator Comp | Valve construction |
US3060957A (en) * | 1959-06-16 | 1962-10-30 | Liquid Controls Corp | Valve |
US3109623A (en) * | 1961-10-31 | 1963-11-05 | Grove Valve & Regulator Co | Valve construction having resilient sealing means |
US3746303A (en) * | 1970-03-09 | 1973-07-17 | M & J Valve Co | Valve construction and method |
JPS5138131A (ja) * | 1974-09-26 | 1976-03-30 | Kinka Kikai Kk | Shikiribennobenzatai |
US3981066A (en) * | 1974-11-11 | 1976-09-21 | Grove Valve And Regulator Company | Method and apparatus for inserting seal rings into restricted grooves |
-
1978
- 1978-12-20 US US05/971,269 patent/US4192483A/en not_active Expired - Lifetime
-
1979
- 1979-12-11 CA CA341,650A patent/CA1110288A/en not_active Expired
- 1979-12-13 GB GB7942987A patent/GB2039001B/en not_active Expired
- 1979-12-13 DE DE2950182A patent/DE2950182C2/de not_active Expired
- 1979-12-18 IT IT51111/79A patent/IT1120223B/it active
- 1979-12-19 JP JP16549179A patent/JPS55123051A/ja active Pending
- 1979-12-19 FR FR7931120A patent/FR2444867B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS55123051A (en) | 1980-09-22 |
DE2950182C2 (de) | 1984-09-13 |
CA1110288A (en) | 1981-10-06 |
FR2444867A1 (fr) | 1980-07-18 |
IT1120223B (it) | 1986-03-19 |
US4192483A (en) | 1980-03-11 |
GB2039001A (en) | 1980-07-30 |
DE2950182A1 (de) | 1980-07-10 |
GB2039001B (en) | 1982-12-01 |
FR2444867B1 (fr) | 1985-09-27 |
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