GB2254128B - Valve indicators - Google Patents

Valve indicators

Info

Publication number
GB2254128B
GB2254128B GB9106475A GB9106475A GB2254128B GB 2254128 B GB2254128 B GB 2254128B GB 9106475 A GB9106475 A GB 9106475A GB 9106475 A GB9106475 A GB 9106475A GB 2254128 B GB2254128 B GB 2254128B
Authority
GB
United Kingdom
Prior art keywords
valve indicators
indicators
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.)
Expired - Lifetime
Application number
GB9106475A
Other versions
GB9106475D0 (en
GB2254128A (en
Inventor
Robert Anthony Johnson
Kevin Collins
Gianni Rea
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.)
Bryan Donkin Co Ltd
Original Assignee
Bryan Donkin Co 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 Bryan Donkin Co Ltd filed Critical Bryan Donkin Co Ltd
Priority to GB9106475A priority Critical patent/GB2254128B/en
Publication of GB9106475D0 publication Critical patent/GB9106475D0/en
Publication of GB2254128A publication Critical patent/GB2254128A/en
Application granted granted Critical
Publication of GB2254128B publication Critical patent/GB2254128B/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
    • F16K37/0058—Optical means, e.g. light transmission, observation ports

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Indication Of The Valve Opening Or Closing Status (AREA)
GB9106475A 1991-03-27 1991-03-27 Valve indicators Expired - Lifetime GB2254128B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9106475A GB2254128B (en) 1991-03-27 1991-03-27 Valve indicators

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9106475A GB2254128B (en) 1991-03-27 1991-03-27 Valve indicators

Publications (3)

Publication Number Publication Date
GB9106475D0 GB9106475D0 (en) 1991-05-15
GB2254128A GB2254128A (en) 1992-09-30
GB2254128B true GB2254128B (en) 1994-12-07

Family

ID=10692274

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9106475A Expired - Lifetime GB2254128B (en) 1991-03-27 1991-03-27 Valve indicators

Country Status (1)

Country Link
GB (1) GB2254128B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2080506C1 (en) * 1994-07-18 1997-05-27 Акционерная компания "Корвет" Mechanism for controlling and indicating position of valve gate

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB911576A (en) * 1960-06-03 1962-11-28 William Hume & Company Ltd Fluid-flow control valve operating-and-indicating device
GB1190307A (en) * 1968-10-15 1970-05-06 Kerotest Mfg Corp Fluid-flow Control Valve
US3994255A (en) * 1976-02-03 1976-11-30 Elkhart Brass Manufacturing Co., Inc. Open-closed indicator for a valve
GB1539428A (en) * 1976-04-05 1979-01-31 Dynamic Controls Ltd Indicators with rotary actuators
US4622994A (en) * 1984-08-15 1986-11-18 Rosaen Nils O Fluid handling device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB911576A (en) * 1960-06-03 1962-11-28 William Hume & Company Ltd Fluid-flow control valve operating-and-indicating device
GB1190307A (en) * 1968-10-15 1970-05-06 Kerotest Mfg Corp Fluid-flow Control Valve
US3994255A (en) * 1976-02-03 1976-11-30 Elkhart Brass Manufacturing Co., Inc. Open-closed indicator for a valve
GB1539428A (en) * 1976-04-05 1979-01-31 Dynamic Controls Ltd Indicators with rotary actuators
US4622994A (en) * 1984-08-15 1986-11-18 Rosaen Nils O Fluid handling device

Also Published As

Publication number Publication date
GB9106475D0 (en) 1991-05-15
GB2254128A (en) 1992-09-30

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PE20 Patent expired after termination of 20 years

Expiry date: 20110326