CA2128945C - Pressure equalized flow control valve - Google Patents

Pressure equalized flow control valve Download PDF

Info

Publication number
CA2128945C
CA2128945C CA 2128945 CA2128945A CA2128945C CA 2128945 C CA2128945 C CA 2128945C CA 2128945 CA2128945 CA 2128945 CA 2128945 A CA2128945 A CA 2128945A CA 2128945 C CA2128945 C CA 2128945C
Authority
CA
Canada
Prior art keywords
facing surface
recess
valve
seat
upstream
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
Application number
CA 2128945
Other languages
English (en)
French (fr)
Other versions
CA2128945A1 (en
Inventor
William J. Baker
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
FMC Corp
Original Assignee
FMC Corp
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 FMC Corp filed Critical FMC Corp
Publication of CA2128945A1 publication Critical patent/CA2128945A1/en
Application granted granted Critical
Publication of CA2128945C publication Critical patent/CA2128945C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
    • F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
    • F16K5/0663—Packings
    • F16K5/0673—Composite packings
    • F16K5/0678—Composite packings in which only one of the components of the composite packing is contacting the plug
    • 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
    • F16K15/00—Check valves
    • F16K15/14—Check valves with flexible valve members
    • F16K15/141—Check valves with flexible valve members the closure elements not being fixed to the valve body
    • F16K15/142—Check valves with flexible valve members the closure elements not being fixed to the valve body the closure elements being shaped as solids of revolution, e.g. toroidal or cylindrical rings

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Taps Or Cocks (AREA)
CA 2128945 1993-09-28 1994-07-27 Pressure equalized flow control valve Expired - Fee Related CA2128945C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/127,983 US5346178A (en) 1993-09-28 1993-09-28 Pressure equalized flow control valve
US08/127,983 1993-09-28

Publications (2)

Publication Number Publication Date
CA2128945A1 CA2128945A1 (en) 1995-03-29
CA2128945C true CA2128945C (en) 2001-12-04

Family

ID=22432993

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2128945 Expired - Fee Related CA2128945C (en) 1993-09-28 1994-07-27 Pressure equalized flow control valve

Country Status (8)

Country Link
US (1) US5346178A (OSRAM)
EP (1) EP0645566B1 (OSRAM)
JP (1) JPH07158751A (OSRAM)
CN (1) CN1042567C (OSRAM)
BR (1) BR9403198A (OSRAM)
CA (1) CA2128945C (OSRAM)
DE (1) DE69406238T2 (OSRAM)
NO (1) NO303242B1 (OSRAM)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5246203A (en) * 1992-06-29 1993-09-21 M&M Supply Co. Oilfield valve
US6358235B1 (en) 1998-07-29 2002-03-19 The Procter & Gamble Company Soft conformable hollow bag tampon
US6267353B1 (en) 1999-04-19 2001-07-31 Pbm, Inc. Self draining valve
US20030111631A1 (en) * 2001-06-08 2003-06-19 Frank Gosling Leakproof ball valve structure
CN100356096C (zh) * 2005-11-10 2007-12-19 邱金全 高压时无扭矩球阀
US20080099712A1 (en) * 2006-10-25 2008-05-01 Honeywell International Inc. Cartridge ball valve
US8534361B2 (en) * 2009-10-07 2013-09-17 Baker Hughes Incorporated Multi-stage pressure equalization valve assembly for subterranean valves
US8336628B2 (en) * 2009-10-20 2012-12-25 Baker Hughes Incorporated Pressure equalizing a ball valve through an upper seal bypass
US9062519B2 (en) * 2013-01-09 2015-06-23 Baker Hughes Incorporated Bi-directional pressure equalization valve
DK2959095T3 (da) * 2013-02-25 2018-11-26 Halliburton Energy Services Inc Trykudligning til dobbeltsædet kugleventil
US9896907B2 (en) 2015-10-26 2018-02-20 Baker Hughes, A Ge Company, Llc Equalizer valve with opposed seals biased toward closed from rising pressure on either of opposed sides
CN106801747A (zh) * 2017-03-01 2017-06-06 四川苏克流体控制设备有限公司 一种平衡式浮动球阀以及恒力矩开关装置
CN110785593B (zh) * 2017-06-20 2022-06-21 艾默生过程管理(印度)私人有限公司 一种非减压球阀
CN111456660A (zh) * 2020-04-15 2020-07-28 盐城市大冈石油工具厂有限责任公司 平衡式全通径高压控制阀
US20240142015A1 (en) * 2022-10-26 2024-05-02 M & M Oil Tools, LLC Cartridge-type ball valve

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3122352A (en) * 1961-07-10 1964-02-25 Acf Ind Inc Spherical plug valve having pressurized seats including body pressure relief means
US3228652A (en) * 1962-02-09 1966-01-11 Hoke Inc Valve having downstream fluid pressure seal
US3421733A (en) * 1967-10-16 1969-01-14 Acf Ind Inc Valve having pressure actuated seats
US3584641A (en) * 1968-01-03 1971-06-15 Rockwell Mfg Co Lubricated valve assembly
US3778029A (en) * 1972-11-22 1973-12-11 Armco Steel Corp Ball valve
US4236691A (en) * 1978-11-29 1980-12-02 Jamesbury Corporation Ball valve to relieve cavity pressure
US4254793A (en) * 1979-01-15 1981-03-10 Domer Scaramucci Ball valve having valve chamber venting seal assemblies
US4385747A (en) * 1982-01-07 1983-05-31 Worcester Controls Corporation Self-relieving seat and ball valve incorporating the same
JPS58104462U (ja) * 1982-01-09 1983-07-15 株式会社北沢バルブ プレツシヤ−リリ−フ機能を有するボ−ルバルブの弁座
US4796858A (en) * 1987-10-01 1989-01-10 Halliburton Company Dual seal valve
DE3819301A1 (de) * 1988-06-03 1989-12-07 Rautenkranz Int Hermann Kugelhahn zum absperren von rohrleitungen, mit schwimmendem kugelkueken und radial verschiebbaren sitzringen

Also Published As

Publication number Publication date
CN1106116A (zh) 1995-08-02
NO303242B1 (no) 1998-06-15
JPH07158751A (ja) 1995-06-20
DE69406238T2 (de) 1998-04-16
BR9403198A (pt) 1995-06-06
NO942909L (no) 1995-03-29
US5346178A (en) 1994-09-13
EP0645566A1 (en) 1995-03-29
CA2128945A1 (en) 1995-03-29
DE69406238D1 (de) 1997-11-20
CN1042567C (zh) 1999-03-17
NO942909D0 (OSRAM) 1994-08-05
EP0645566B1 (en) 1997-10-15

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