IT7920151A0 - 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 flessibile.

Info

Publication number
IT7920151A0
IT7920151A0 IT7920151A IT2015179A IT7920151A0 IT 7920151 A0 IT7920151 A0 IT 7920151A0 IT 7920151 A IT7920151 A IT 7920151A IT 2015179 A IT2015179 A IT 2015179A IT 7920151 A0 IT7920151 A0 IT 7920151A0
Authority
IT
Italy
Prior art keywords
valve seat
gate valve
flexible
lip
seal
Prior art date
Application number
IT7920151A
Other languages
English (en)
Other versions
IT1111846B (it
Original Assignee
Acf Ind Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Acf Ind Inc filed Critical Acf Ind Inc
Publication of IT7920151A0 publication Critical patent/IT7920151A0/it
Application granted granted Critical
Publication of IT1111846B publication Critical patent/IT1111846B/it

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)
IT20151/79A 1978-02-13 1979-02-13 Sede di valvola a saracinesca avente una tenuta frontale con labbro anteriore flessibile IT1111846B (it)

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 true IT7920151A0 (it) 1979-02-13
IT1111846B 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)

* Cited by examiner, † Cited by third party
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
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
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
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
CN110612411A (zh) * 2017-05-09 2019-12-24 美国圣戈班性能塑料公司 密封件、组件及其使用方法
CA3111375A1 (en) * 2018-07-05 2020-01-09 Mcc Holdings, Inc. D/B/A Crane Chempharma & Energy Method for manufacturing a block forged valve body with a fully encapsulated seat ring
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)

* Cited by examiner, † Cited by third party
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
GB1164678A (en) * 1966-12-27 1969-09-17 Toa Valve Company Ltd Improvements relating to Pop Safety Valves
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

Also Published As

Publication number Publication date
EP0003613B1 (en) 1981-12-09
US4208035A (en) 1980-06-17
EP0003613A1 (en) 1979-08-22
IT1111846B (it) 1986-01-13

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