FR2345640A1 - AUTOMATIC SHUT-OFF VALVE - Google Patents

AUTOMATIC SHUT-OFF VALVE

Info

Publication number
FR2345640A1
FR2345640A1 FR7707507A FR7707507A FR2345640A1 FR 2345640 A1 FR2345640 A1 FR 2345640A1 FR 7707507 A FR7707507 A FR 7707507A FR 7707507 A FR7707507 A FR 7707507A FR 2345640 A1 FR2345640 A1 FR 2345640A1
Authority
FR
France
Prior art keywords
valve
automatic shut
shut
automatic
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.)
Granted
Application number
FR7707507A
Other languages
French (fr)
Other versions
FR2345640B1 (en
Inventor
Franco Longinotti
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.)
Industrie Buitoni Perugina SpA IBP
Original Assignee
Industrie Buitoni Perugina SpA IBP
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
Priority claimed from IT4872076A external-priority patent/IT1060494B/en
Priority claimed from IT4752977A external-priority patent/IT1117988B/en
Application filed by Industrie Buitoni Perugina SpA IBP filed Critical Industrie Buitoni Perugina SpA IBP
Publication of FR2345640A1 publication Critical patent/FR2345640A1/en
Application granted granted Critical
Publication of FR2345640B1 publication Critical patent/FR2345640B1/fr
Granted 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
    • F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
    • F16K3/22—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution
    • F16K3/24—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution with cylindrical valve members
    • F16K3/246—Combination of a sliding valve and a lift valve
    • 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
    • F16K17/04—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
    • F16K17/0466—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 with a special seating surface
    • 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
    • F16K17/164—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side and remaining closed after return of the normal pressure
    • 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
    • F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
    • F16K3/22—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution
    • F16K3/24—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution with cylindrical valve members
    • F16K3/26—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution with cylindrical valve members with fluid passages in the valve member

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Preventing Unauthorised Actuation Of Valves (AREA)
FR7707507A 1976-03-25 1977-03-14 AUTOMATIC SHUT-OFF VALVE Granted FR2345640A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT4872076A IT1060494B (en) 1976-03-25 1976-03-25 Shutoff safety valve esp. for inflammable gas - has valve hood forming part of the chamber which contains cage for valve piston
IT4752977A IT1117988B (en) 1977-01-05 1977-01-05 Shutoff safety valve esp. for inflammable gas - has valve hood forming part of the chamber which contains cage for valve piston

Publications (2)

Publication Number Publication Date
FR2345640A1 true FR2345640A1 (en) 1977-10-21
FR2345640B1 FR2345640B1 (en) 1981-07-31

Family

ID=26329199

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7707507A Granted FR2345640A1 (en) 1976-03-25 1977-03-14 AUTOMATIC SHUT-OFF VALVE

Country Status (3)

Country Link
DE (2) DE2711501A1 (en)
FR (1) FR2345640A1 (en)
GB (1) GB1523101A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2232745A (en) * 1989-06-12 1990-12-19 Chris Williamson A fluid control valve
DE102005034866A1 (en) * 2005-07-26 2007-02-08 Paley, Anatoly, Prof. dRF Flexible gas valve for gas equipment, has spring, where valve is automatically fixed to housing of equipment after closing valve with safety catch pin, with lack of gas pressure, and opened under normal pressure

Also Published As

Publication number Publication date
DE7708135U1 (en) 1980-07-17
GB1523101A (en) 1978-08-31
FR2345640B1 (en) 1981-07-31
DE2711501A1 (en) 1977-10-06

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Legal Events

Date Code Title Description
ST Notification of lapse