JPS541432A - Check valve - Google Patents

Check valve

Info

Publication number
JPS541432A
JPS541432A JP5217978A JP5217978A JPS541432A JP S541432 A JPS541432 A JP S541432A JP 5217978 A JP5217978 A JP 5217978A JP 5217978 A JP5217978 A JP 5217978A JP S541432 A JPS541432 A JP S541432A
Authority
JP
Japan
Prior art keywords
check valve
check
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.)
Pending
Application number
JP5217978A
Other languages
Japanese (ja)
Inventor
Shianshia Antonio
Asentsuiooni Angero
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.)
Agenzia Nazionale per le Nuove Tecnologie lEnergia e lo Sviluppo Economico Sostenibile ENEA
Original Assignee
Comitato Nazionale per lEnergia Nucleare CNEN
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 Comitato Nazionale per lEnergia Nucleare CNEN filed Critical Comitato Nazionale per lEnergia Nucleare CNEN
Publication of JPS541432A publication Critical patent/JPS541432A/en
Pending 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
    • F16K41/00—Spindle sealings
    • F16K41/10—Spindle sealings with diaphragm, e.g. shaped as bellows or tube
    • 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
    • F16K27/00—Construction of housing; Use of materials therefor
    • F16K27/02—Construction of housing; Use of materials therefor of lift valves

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Check Valves (AREA)
  • Details Of Valves (AREA)
  • Taps Or Cocks (AREA)
  • Lift Valve (AREA)
JP5217978A 1977-04-28 1978-04-28 Check valve Pending JPS541432A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT4915777A IT1116432B (en) 1977-04-28 1977-04-28 REMOVABLE INTERCEPTION VALVE FOR USE IN THE PRESENCE OF HALOGENATED GASES

Publications (1)

Publication Number Publication Date
JPS541432A true JPS541432A (en) 1979-01-08

Family

ID=11269802

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5217978A Pending JPS541432A (en) 1977-04-28 1978-04-28 Check valve

Country Status (6)

Country Link
JP (1) JPS541432A (en)
DE (1) DE2817984A1 (en)
FR (1) FR2389058B1 (en)
GB (1) GB1603043A (en)
IT (1) IT1116432B (en)
NL (1) NL7804383A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62283280A (en) * 1986-04-28 1987-12-09 ニユプロ　コムパニ− Invert type bellows valve

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2517790A1 (en) * 1981-12-07 1983-06-10 British Nuclear Fuels Ltd Process gas valve esp. of uranium isotope separator - with sealed operating arrangement providing back-up for bellows seal
US4911412A (en) * 1989-05-19 1990-03-27 Nupro Company Valves with improved actuators
DE102020134025A1 (en) * 2020-12-17 2022-06-23 Arianegroup Gmbh Fluid line valve with improved stem

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR828145A (en) * 1937-01-23 1938-05-11 Fr Des Thermostats Soc Gate valve
FR1234306A (en) * 1959-05-15 1960-10-17 Improvements to taps and valves
DE1881359U (en) * 1963-06-19 1963-10-24 Kurt Melcher Fa SPINDLE SEAL, IN PARTICULAR FOR HYDRANTS.
FR1563167A (en) * 1968-02-29 1969-04-11
CH485156A (en) * 1968-12-23 1970-01-31 Lucifer Sa Electromagnetically operated valve, including vacuum valve
FR2184143A5 (en) * 1972-05-08 1973-12-21 Alsthom Cgee

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62283280A (en) * 1986-04-28 1987-12-09 ニユプロ　コムパニ− Invert type bellows valve

Also Published As

Publication number Publication date
NL7804383A (en) 1978-10-31
FR2389058A1 (en) 1978-11-24
DE2817984A1 (en) 1978-11-02
IT1116432B (en) 1986-02-10
GB1603043A (en) 1981-11-18
FR2389058B1 (en) 1985-10-25

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