FR1290900A - Self-closing butterfly valve - Google Patents

Self-closing butterfly valve

Info

Publication number
FR1290900A
FR1290900A FR4339A FR38004339A FR1290900A FR 1290900 A FR1290900 A FR 1290900A FR 4339 A FR4339 A FR 4339A FR 38004339 A FR38004339 A FR 38004339A FR 1290900 A FR1290900 A FR 1290900A
Authority
FR
France
Prior art keywords
self
butterfly valve
closing butterfly
closing
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
Application number
FR4339A
Other languages
French (fr)
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.)
Neyrpic SA
Original Assignee
Neyrpic SA
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 Neyrpic SA filed Critical Neyrpic SA
Priority to FR4339A priority Critical patent/FR1290900A/en
Application granted granted Critical
Publication of FR1290900A publication Critical patent/FR1290900A/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
    • F16K17/20—Excess-flow valves
    • F16K17/34—Excess-flow valves in which the flow-energy of the flowing medium actuates the closing mechanism

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR4339A 1961-03-03 1961-03-03 Self-closing butterfly valve Expired FR1290900A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR4339A FR1290900A (en) 1961-03-03 1961-03-03 Self-closing butterfly valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR4339A FR1290900A (en) 1961-03-03 1961-03-03 Self-closing butterfly valve

Publications (1)

Publication Number Publication Date
FR1290900A true FR1290900A (en) 1962-04-20

Family

ID=8569987

Family Applications (1)

Application Number Title Priority Date Filing Date
FR4339A Expired FR1290900A (en) 1961-03-03 1961-03-03 Self-closing butterfly valve

Country Status (1)

Country Link
FR (1) FR1290900A (en)

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