NO942909L - Strömningskontrollventil med trykkutjevning - Google Patents

Strömningskontrollventil med trykkutjevning

Info

Publication number
NO942909L
NO942909L NO942909A NO942909A NO942909L NO 942909 L NO942909 L NO 942909L NO 942909 A NO942909 A NO 942909A NO 942909 A NO942909 A NO 942909A NO 942909 L NO942909 L NO 942909L
Authority
NO
Norway
Prior art keywords
control valve
flow control
pressure equalization
equalization
pressure
Prior art date
Application number
NO942909A
Other languages
English (en)
Other versions
NO942909D0 (no
NO303242B1 (no
Inventor
William J Baker
Original Assignee
Nat Oilwell
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 Nat Oilwell filed Critical Nat Oilwell
Publication of NO942909D0 publication Critical patent/NO942909D0/no
Publication of NO942909L publication Critical patent/NO942909L/no
Publication of NO303242B1 publication Critical patent/NO303242B1/no

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)
NO942909A 1993-09-28 1994-08-05 Str÷mningskontrollventil med trykkutjevning NO303242B1 (no)

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
NO942909D0 NO942909D0 (no) 1994-08-05
NO942909L true NO942909L (no) 1995-03-29
NO303242B1 NO303242B1 (no) 1998-06-15

Family

ID=22432993

Family Applications (1)

Application Number Title Priority Date Filing Date
NO942909A NO303242B1 (no) 1993-09-28 1994-08-05 Str÷mningskontrollventil med trykkutjevning

Country Status (8)

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

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
WO2014130052A1 (en) * 2013-02-25 2014-08-28 Halliburton Energy Services, Inc. Pressure equalization for dual seat ball valve
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
US11313479B2 (en) * 2017-06-20 2022-04-26 Emerson Process Management (India) Private Limited Non-pressure relieving ball valve
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
CA2128945C (en) 2001-12-04
BR9403198A (pt) 1995-06-06
EP0645566A1 (en) 1995-03-29
CN1042567C (zh) 1999-03-17
US5346178A (en) 1994-09-13
DE69406238D1 (de) 1997-11-20
NO942909D0 (no) 1994-08-05
DE69406238T2 (de) 1998-04-16
JPH07158751A (ja) 1995-06-20
CN1106116A (zh) 1995-08-02
NO303242B1 (no) 1998-06-15
EP0645566B1 (en) 1997-10-15
CA2128945A1 (en) 1995-03-29

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