GB2077393B - Pneumatically assisted relief/safety valves - Google Patents

Pneumatically assisted relief/safety valves

Info

Publication number
GB2077393B
GB2077393B GB8018753A GB8018753A GB2077393B GB 2077393 B GB2077393 B GB 2077393B GB 8018753 A GB8018753 A GB 8018753A GB 8018753 A GB8018753 A GB 8018753A GB 2077393 B GB2077393 B GB 2077393B
Authority
GB
United Kingdom
Prior art keywords
safety valves
pneumatically assisted
relief
assisted relief
pneumatically
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
Application number
GB8018753A
Other versions
GB2077393A (en
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB8018753A priority Critical patent/GB2077393B/en
Publication of GB2077393A publication Critical patent/GB2077393A/en
Application granted granted Critical
Publication of GB2077393B publication Critical patent/GB2077393B/en
Expired 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
    • F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
    • F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
    • 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
    • F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
    • F16K17/168—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side combined with manually-controlled valves, e.g. a valve combined with a safety valve

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Safety Valves (AREA)
GB8018753A 1980-06-07 1980-06-07 Pneumatically assisted relief/safety valves Expired GB2077393B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8018753A GB2077393B (en) 1980-06-07 1980-06-07 Pneumatically assisted relief/safety valves

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8018753A GB2077393B (en) 1980-06-07 1980-06-07 Pneumatically assisted relief/safety valves

Publications (2)

Publication Number Publication Date
GB2077393A GB2077393A (en) 1981-12-16
GB2077393B true GB2077393B (en) 1984-06-06

Family

ID=10513899

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8018753A Expired GB2077393B (en) 1980-06-07 1980-06-07 Pneumatically assisted relief/safety valves

Country Status (1)

Country Link
GB (1) GB2077393B (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2524959A1 (en) * 1982-04-07 1983-10-14 Sarasin & Cie Ets METHOD AND DEVICE FOR CLOSING A SAFETY ASSISTED VALVE
GB2118329B (en) * 1982-04-08 1985-12-18 Leonard William Lamburn Improved pneumatically assisted relief or safety valve
FR2524960B1 (en) * 1982-04-13 1986-01-17 Framatome Sa AUTONOMOUS DEVICE FOR ASSISTING A SAFETY VALVE
AU2584284A (en) * 1983-03-09 1984-09-13 Robert MacGregor Fairweather Pressure and safety relief valve
US4572237A (en) * 1984-08-10 1986-02-25 Value Oriented Technology Inc. Function assist control for pressure relief valve
GB2193349B (en) * 1986-02-26 1990-10-03 Leonard William Lamburn A means applied to fluid pressure protected systems, to ensure relief and/or safety (r/s)valve preset pneumatic assistance, irrespective of preset valve lift
GB2275986B (en) * 1993-03-12 1996-12-18 Huntleigh Technology Plc Adjustable pressure relief valve
SE502861C2 (en) * 1994-07-07 1996-02-05 Kvaerner Pulping Tech Valve system for a space under vacuum
FR2817940B1 (en) * 2000-12-08 2004-04-30 Atofina SERVOMOTOR CONTROLLED FAUCET FOR TOXIC FLUIDS CONTAINER
US7744062B2 (en) * 2007-03-09 2010-06-29 Fisher Controls International Llc Apparatus to vary effective spring rate for use in diaphragm actuators
CN102147028B (en) * 2011-04-15 2012-11-07 王元清 Low-pressure pilot operated safety valve
DE102014119387B4 (en) * 2014-12-22 2017-03-16 Samson Ag Membrane drive for a control valve

Also Published As

Publication number Publication date
GB2077393A (en) 1981-12-16

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19920607