FR2402138A1 - Dispositif destine a empecher un ecoulement en arriere, notamment pour vannes de sectionnement - Google Patents

Dispositif destine a empecher un ecoulement en arriere, notamment pour vannes de sectionnement

Info

Publication number
FR2402138A1
FR2402138A1 FR7823744A FR7823744A FR2402138A1 FR 2402138 A1 FR2402138 A1 FR 2402138A1 FR 7823744 A FR7823744 A FR 7823744A FR 7823744 A FR7823744 A FR 7823744A FR 2402138 A1 FR2402138 A1 FR 2402138A1
Authority
FR
France
Prior art keywords
valve element
shut
valves
back flow
prevention device
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
FR7823744A
Other languages
English (en)
French (fr)
Other versions
FR2402138B1 (de
Inventor
Alfred Waletzko
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.)
WALETZKO ALFRED APPARATEBAU
Original Assignee
WALETZKO ALFRED APPARATEBAU
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 WALETZKO ALFRED APPARATEBAU filed Critical WALETZKO ALFRED APPARATEBAU
Publication of FR2402138A1 publication Critical patent/FR2402138A1/fr
Application granted granted Critical
Publication of FR2402138B1 publication Critical patent/FR2402138B1/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
    • F16K47/00—Means in valves for absorbing fluid energy
    • F16K47/02—Means in valves for absorbing fluid energy for preventing water-hammer or noise
    • 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
    • F16K15/00—Check valves
    • F16K15/02—Check valves with guided rigid valve members
    • F16K15/025—Check valves with guided rigid valve members the valve being loaded by a spring

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Check Valves (AREA)
FR7823744A 1977-09-03 1978-08-11 Dispositif destine a empecher un ecoulement en arriere, notamment pour vannes de sectionnement Granted FR2402138A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19772739801 DE2739801A1 (de) 1977-09-03 1977-09-03 Rueckflussverhinderer, insbesondere fuer rohrtrenner

Publications (2)

Publication Number Publication Date
FR2402138A1 true FR2402138A1 (fr) 1979-03-30
FR2402138B1 FR2402138B1 (de) 1985-03-22

Family

ID=6018067

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7823744A Granted FR2402138A1 (fr) 1977-09-03 1978-08-11 Dispositif destine a empecher un ecoulement en arriere, notamment pour vannes de sectionnement

Country Status (5)

Country Link
AT (1) AT367823B (de)
CH (1) CH632572A5 (de)
DE (1) DE2739801A1 (de)
FR (1) FR2402138A1 (de)
NL (1) NL7806994A (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2471536A1 (fr) * 1979-12-17 1981-06-19 Pont A Mousson Clapet anti-retour
EP0341428A2 (de) * 1988-05-09 1989-11-15 Liebherr-Hausgeräte Gmbh Ventilartiges Verteilerstück zur Verbindung mit einer Wandung eines auszuschäumenden Hohlraums

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4340085A (en) * 1979-05-01 1982-07-20 Crawford Ronald H Pressure regulating device with damping means for preventing valve chatter
US4489752A (en) * 1982-09-28 1984-12-25 Compressor Valve Services, Inc. Guard guided multiple element flow configured poppet valve
DE3616589A1 (de) * 1986-05-16 1987-11-19 Baelz Juergen Controls Rueckflussverhinderungseinrichtung, insbesondere in trinkwasserleitungen
JPH0534390Y2 (de) * 1988-03-24 1993-08-31
DE102015211070A1 (de) * 2015-06-17 2016-12-22 Robert Bosch Gmbh Druckbegrenzungsventil

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1162029A (fr) * 1956-04-24 1958-09-08 Aeroquip Corp Obturateur de retenue à obus spécialement applicable aux canalisations de fluide grêles
US3193247A (en) * 1962-02-28 1965-07-06 Rockwell Mfg Co Sequentially seated valve
FR2039358A1 (de) * 1969-04-22 1971-01-15 Byron Jackson Inc
DE2628239A1 (de) * 1976-06-24 1978-01-05 Peter Dr Ing Daublebsky Hochdruck-rueckschlagventil fuer leitungen mit verhaeltnismaessig grossem querschnitt
DE2650934A1 (de) * 1976-11-08 1978-05-11 Waletzko Alfred Apparatebau Rueckflussverhinderer, insbesondere fuer rohrtrenner

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1162029A (fr) * 1956-04-24 1958-09-08 Aeroquip Corp Obturateur de retenue à obus spécialement applicable aux canalisations de fluide grêles
US3193247A (en) * 1962-02-28 1965-07-06 Rockwell Mfg Co Sequentially seated valve
FR2039358A1 (de) * 1969-04-22 1971-01-15 Byron Jackson Inc
DE2628239A1 (de) * 1976-06-24 1978-01-05 Peter Dr Ing Daublebsky Hochdruck-rueckschlagventil fuer leitungen mit verhaeltnismaessig grossem querschnitt
DE2650934A1 (de) * 1976-11-08 1978-05-11 Waletzko Alfred Apparatebau Rueckflussverhinderer, insbesondere fuer rohrtrenner

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2471536A1 (fr) * 1979-12-17 1981-06-19 Pont A Mousson Clapet anti-retour
EP0341428A2 (de) * 1988-05-09 1989-11-15 Liebherr-Hausgeräte Gmbh Ventilartiges Verteilerstück zur Verbindung mit einer Wandung eines auszuschäumenden Hohlraums
EP0341428A3 (de) * 1988-05-09 1991-09-11 Liebherr-Hausgeräte Gmbh Ventilartiges Verteilerstück zur Verbindung mit einer Wandung eines auszuschäumenden Hohlraums

Also Published As

Publication number Publication date
AT367823B (de) 1982-08-10
FR2402138B1 (de) 1985-03-22
DE2739801A1 (de) 1979-03-15
CH632572A5 (en) 1982-10-15
ATA460978A (de) 1981-12-15
NL7806994A (nl) 1979-03-06

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse