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AU7631996A - Valve actuator - Google Patents

Valve actuator

Info

Publication number
AU7631996A
AU7631996A AU76319/96A AU7631996A AU7631996A AU 7631996 A AU7631996 A AU 7631996A AU 76319/96 A AU76319/96 A AU 76319/96A AU 7631996 A AU7631996 A AU 7631996A AU 7631996 A AU7631996 A AU 7631996A
Authority
AU
Australia
Prior art keywords
valve actuator
actuator
valve
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.)
Abandoned
Application number
AU76319/96A
Inventor
Jeffrey Anthony Hughes
Martin James Wadsworth
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.)
EJA Ltd
Original Assignee
EJA Engineering Ltd
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 EJA Engineering Ltd filed Critical EJA Engineering Ltd
Publication of AU7631996A publication Critical patent/AU7631996A/en
Abandoned 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
    • F16K35/00—Means to prevent accidental or unauthorised actuation
    • F16K35/06—Means to prevent accidental or unauthorised actuation using a removable actuating or locking member, e.g. a key

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Preventing Unauthorised Actuation Of Valves (AREA)
AU76319/96A 1995-11-22 1996-11-20 Valve actuator Abandoned AU7631996A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9523878 1995-11-22
GBGB9523878.8A GB9523878D0 (en) 1995-11-22 1995-11-22 Valve actuator
PCT/GB1996/002862 WO1997019285A1 (en) 1995-11-22 1996-11-20 Valve actuator

Publications (1)

Publication Number Publication Date
AU7631996A true AU7631996A (en) 1997-06-11

Family

ID=10784274

Family Applications (1)

Application Number Title Priority Date Filing Date
AU76319/96A Abandoned AU7631996A (en) 1995-11-22 1996-11-20 Valve actuator

Country Status (3)

Country Link
AU (1) AU7631996A (en)
GB (1) GB9523878D0 (en)
WO (1) WO1997019285A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6152167A (en) * 1999-02-11 2000-11-28 Cooper Cameron Valve actuator with emergency shutdown feature
FR2917480B1 (en) * 2007-06-13 2012-07-27 Securite Machines Systemes SAFETY LOCKING OR INTERLOCKING DEVICE FOR PIPE VALVE

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR583318A (en) * 1923-09-11 1925-01-10 Wests Gas Improvement Co Ltd Improvement in gate valves
CH440887A (en) * 1966-10-17 1967-07-31 Nussbaum & Co Ag R Rooster
US3858843A (en) * 1973-03-29 1975-01-07 Chemetron Corp Ball valve and the like having locking handle
GB8500923D0 (en) * 1985-01-15 1985-02-20 Ellis A E H Lockable drive mechanism
GB8530315D0 (en) * 1985-12-09 1986-01-22 Colchester Ltd Ellis Lock mechanisms
GB2292207B (en) * 1991-03-18 1996-04-24 Sigma Controls Ltd Locking mechanism for a valve

Also Published As

Publication number Publication date
WO1997019285A1 (en) 1997-05-29
GB9523878D0 (en) 1996-01-24

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