IT1111846B - Sede di valvola a saracinesca avente una tenuta frontale con labbro anteriore flessibile - Google Patents
Sede di valvola a saracinesca avente una tenuta frontale con labbro anteriore flessibileInfo
- Publication number
- IT1111846B IT1111846B IT20151/79A IT2015179A IT1111846B IT 1111846 B IT1111846 B IT 1111846B IT 20151/79 A IT20151/79 A IT 20151/79A IT 2015179 A IT2015179 A IT 2015179A IT 1111846 B IT1111846 B IT 1111846B
- Authority
- IT
- Italy
- Prior art keywords
- valve seat
- gate valve
- flexible
- lip
- seal
- 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
- 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
- F16K3/0236—Packings the packing being of a non-resilient material, e.g. ceramic, metal
-
- 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
- F16K3/18—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 closure members
- F16K3/184—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 closure members by means of cams
- F16K3/186—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 closure members by means of cams by means of cams of wedge from
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ceramic Engineering (AREA)
- Sliding Valves (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/877,592 US4208035A (en) | 1978-02-13 | 1978-02-13 | Metal gate valve seat having a flexible front lip face seal |
Publications (2)
Publication Number | Publication Date |
---|---|
IT7920151A0 IT7920151A0 (it) | 1979-02-13 |
IT1111846B true IT1111846B (it) | 1986-01-13 |
Family
ID=25370291
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT20151/79A IT1111846B (it) | 1978-02-13 | 1979-02-13 | Sede di valvola a saracinesca avente una tenuta frontale con labbro anteriore flessibile |
Country Status (3)
Country | Link |
---|---|
US (1) | US4208035A (it) |
EP (1) | EP0003613B1 (it) |
IT (1) | IT1111846B (it) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4489918A (en) * | 1983-02-18 | 1984-12-25 | Kalsi Manmohan S | Nonfloating seat for expanding gate valves |
US4568062A (en) * | 1983-03-07 | 1986-02-04 | Fmc Corporation | Fire-resistant gate valve |
GB2140896A (en) * | 1983-06-03 | 1984-12-05 | N H Engineering Limited | Ball valve seals |
US4911407A (en) * | 1989-03-17 | 1990-03-27 | Paul Jr Herman L | Valve seat structure and assembly |
US5211373A (en) * | 1990-11-14 | 1993-05-18 | Dwight Baker | Gate valve having expanding gate and floating seats |
US5346179A (en) * | 1993-05-05 | 1994-09-13 | Fmc Corporation | Galling resistant flex-seat for gate valves |
GB2288212B (en) * | 1994-03-03 | 1997-04-16 | Control Components | Seals |
GB9418408D0 (en) * | 1994-09-13 | 1994-11-02 | Seaboard Lloyd Ltd | High reliability metal sealing for ball valves and gate valves |
US5762320A (en) * | 1996-08-19 | 1998-06-09 | Fmc Corporation | Seat for gate valve |
US6629682B2 (en) * | 2001-01-11 | 2003-10-07 | Vat Holding Ag | Vacuum valve |
US6698719B2 (en) | 2002-06-26 | 2004-03-02 | Vat Holding Ag | Seal arrangement for a vacuum valve |
CA2515906C (en) * | 2004-08-20 | 2013-05-28 | Stream-Flo Industries Ltd. | Gate valve with tongue and groove or bridging seal to annular seat elements |
US7562859B2 (en) | 2004-08-20 | 2009-07-21 | Stream-Flo Industries Ltd. | Gate valve with tongue and groove or bridging seal to annular seat elements |
KR100705721B1 (ko) | 2005-07-13 | 2007-04-12 | (주)현우산업 | 시트 팽창식 본네트형 나이프 게이트 밸브장치 |
US8794593B2 (en) | 2011-03-10 | 2014-08-05 | Vetco Gray Inc. | Gate valve assembly with an axially flexible seat |
JP5173011B1 (ja) * | 2011-11-25 | 2013-03-27 | 日本バルカー工業株式会社 | ゲート弁 |
US10125874B2 (en) | 2016-10-24 | 2018-11-13 | Flowserve Management Company | Valves including multiple seats and related assemblies and methods |
US11047486B2 (en) | 2017-02-21 | 2021-06-29 | Stream-Flo Industries Ltd. | Expanding gate valve |
EP3622205A4 (en) * | 2017-05-09 | 2021-03-10 | Saint-Gobain Performance Plastics Corporation | GASKET, ASSEMBLY AND ASSOCIATED PROCEDURES FOR USE |
KR20210059698A (ko) * | 2018-07-05 | 2021-05-25 | 엠씨씨 홀딩스, 인크.(상호명 : 크레인 켐파마 앤 에너지) | 완전히 인캡슐레이팅된 시트 링을 갖춘 블록 단조형 밸브 바디를 제조하는 방법 |
US11852258B2 (en) * | 2020-12-31 | 2023-12-26 | Tapcoenpro, Llc | Systems and methods for purging an isolation valve with a liquid purge medium |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1874405A (en) * | 1932-08-30 | Valve seat | ||
US1756615A (en) * | 1927-10-27 | 1930-04-29 | Ohio Brass Co | Valve |
US2520364A (en) * | 1945-02-15 | 1950-08-29 | James C Hobbs | Gate valve |
US2869819A (en) * | 1954-06-25 | 1959-01-20 | Acf Ind Inc | Gate valve |
US2954960A (en) * | 1956-12-24 | 1960-10-04 | Acf Ind Inc | Non-floating seat structure for expanding gate valves |
US3054422A (en) * | 1958-09-26 | 1962-09-18 | Pellegrino E Napolitano | Fluid seal for pressure responsive valve |
FR1251575A (fr) * | 1960-03-08 | 1961-01-20 | Koehler Aircraft Products Comp | Vannes à volet |
DE1186711B (de) * | 1960-07-18 | 1965-02-04 | Babcock & Wilcox Dampfkessel | Absperrschieber mit beweglichen Dichtringen |
US3219311A (en) * | 1962-12-12 | 1965-11-23 | Chester A Siver | Valve assembly having particular head and seat cooperation |
US3273855A (en) * | 1963-07-11 | 1966-09-20 | Russel L Wells | Valve seat for gate valves |
US3356334A (en) * | 1965-05-17 | 1967-12-05 | Scaramucci Domer | Gate valve and seal |
US3433250A (en) * | 1966-12-27 | 1969-03-18 | Toa Valve | Pop safety valve |
GB1305554A (it) * | 1969-04-11 | 1973-02-07 | ||
DE2444716C3 (de) * | 1974-09-19 | 1980-09-18 | Ernst 2000 Hamburg Hoyer | Absperrhahn, insbesondere Kugelhahn, mit schwimmend gelagertem Küken |
US4124194A (en) * | 1977-06-20 | 1978-11-07 | Acf Industries, Incorporated | Metallic seat construction for valves |
-
1978
- 1978-02-13 US US05/877,592 patent/US4208035A/en not_active Expired - Lifetime
-
1979
- 1979-02-13 EP EP79100432A patent/EP0003613B1/en not_active Expired
- 1979-02-13 IT IT20151/79A patent/IT1111846B/it active
Also Published As
Publication number | Publication date |
---|---|
IT7920151A0 (it) | 1979-02-13 |
US4208035A (en) | 1980-06-17 |
EP0003613A1 (en) | 1979-08-22 |
EP0003613B1 (en) | 1981-12-09 |
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