FR2341798A1 - DEVICE FOR REDUCING THE CAVITATION AT THE LEVEL OF A BUTTERFLY VALVE - Google Patents

DEVICE FOR REDUCING THE CAVITATION AT THE LEVEL OF A BUTTERFLY VALVE

Info

Publication number
FR2341798A1
FR2341798A1 FR7604932A FR7604932A FR2341798A1 FR 2341798 A1 FR2341798 A1 FR 2341798A1 FR 7604932 A FR7604932 A FR 7604932A FR 7604932 A FR7604932 A FR 7604932A FR 2341798 A1 FR2341798 A1 FR 2341798A1
Authority
FR
France
Prior art keywords
cavitation
reducing
level
butterfly valve
butterfly
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
FR7604932A
Other languages
French (fr)
Other versions
FR2341798B1 (en
Inventor
Jacques Genevey
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.)
Cegelec SA
Original Assignee
Cegelec 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 Cegelec SA filed Critical Cegelec SA
Priority to FR7604932A priority Critical patent/FR2341798A1/en
Priority to NL7701049A priority patent/NL7701049A/en
Priority to GB540077A priority patent/GB1546037A/en
Priority to IT2023077A priority patent/IT1076581B/en
Priority to DE19772706531 priority patent/DE2706531A1/en
Priority to DK77077A priority patent/DK77077A/en
Priority to ES456180A priority patent/ES456180A1/en
Publication of FR2341798A1 publication Critical patent/FR2341798A1/en
Application granted granted Critical
Publication of FR2341798B1 publication Critical patent/FR2341798B1/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
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
    • F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
    • F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
    • 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
    • F16K25/00—Details relating to contact between valve members and seats
    • F16K25/04—Arrangements for preventing erosion, not otherwise provided for
    • 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
    • F16K27/0272—Construction of housing; Use of materials therefor of lift valves valves provided with a lining

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lift Valve (AREA)
  • Details Of Valves (AREA)
FR7604932A 1976-02-23 1976-02-23 DEVICE FOR REDUCING THE CAVITATION AT THE LEVEL OF A BUTTERFLY VALVE Granted FR2341798A1 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
FR7604932A FR2341798A1 (en) 1976-02-23 1976-02-23 DEVICE FOR REDUCING THE CAVITATION AT THE LEVEL OF A BUTTERFLY VALVE
NL7701049A NL7701049A (en) 1976-02-23 1977-02-01 BUTTERFLY VALVE.
GB540077A GB1546037A (en) 1976-02-23 1977-02-09 Butterfly valve including a cavitation reduction device
IT2023077A IT1076581B (en) 1976-02-23 1977-02-11 DEVICE FOR CAVITATION REDUCTION AT THE LEVEL OF A BUTTERFLY VALVE
DE19772706531 DE2706531A1 (en) 1976-02-23 1977-02-16 ROTARY SLIDE VALVE
DK77077A DK77077A (en) 1976-02-23 1977-02-22 DEVICE FOR REDUCING CAVITATION BY DAMPER VALVES
ES456180A ES456180A1 (en) 1976-02-23 1977-02-23 Butterfly valve including a cavitation reduction device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7604932A FR2341798A1 (en) 1976-02-23 1976-02-23 DEVICE FOR REDUCING THE CAVITATION AT THE LEVEL OF A BUTTERFLY VALVE

Publications (2)

Publication Number Publication Date
FR2341798A1 true FR2341798A1 (en) 1977-09-16
FR2341798B1 FR2341798B1 (en) 1978-08-18

Family

ID=9169462

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7604932A Granted FR2341798A1 (en) 1976-02-23 1976-02-23 DEVICE FOR REDUCING THE CAVITATION AT THE LEVEL OF A BUTTERFLY VALVE

Country Status (7)

Country Link
DE (1) DE2706531A1 (en)
DK (1) DK77077A (en)
ES (1) ES456180A1 (en)
FR (1) FR2341798A1 (en)
GB (1) GB1546037A (en)
IT (1) IT1076581B (en)
NL (1) NL7701049A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3244103A1 (en) * 1982-11-29 1984-05-30 Vdo Adolf Schindling Ag, 6000 Frankfurt THROTTLE VALVE CONNECTOR
JPS631868A (en) * 1986-06-19 1988-01-06 Mitsubishi Electric Corp Flow rate control valve

Also Published As

Publication number Publication date
DK77077A (en) 1977-08-24
ES456180A1 (en) 1978-02-16
IT1076581B (en) 1985-04-27
DE2706531A1 (en) 1977-08-25
FR2341798B1 (en) 1978-08-18
NL7701049A (en) 1977-08-25
GB1546037A (en) 1979-05-16

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Legal Events

Date Code Title Description
ST Notification of lapse