IT1076581B - Dispositivo per la riduzione della cavitazione a livello di una valvola a farfalla - Google Patents

Dispositivo per la riduzione della cavitazione a livello di una valvola a farfalla

Info

Publication number
IT1076581B
IT1076581B IT2023077A IT2023077A IT1076581B IT 1076581 B IT1076581 B IT 1076581B IT 2023077 A IT2023077 A IT 2023077A IT 2023077 A IT2023077 A IT 2023077A IT 1076581 B IT1076581 B IT 1076581B
Authority
IT
Italy
Prior art keywords
level
butterfly valve
cavitation reduction
cavitation
reduction
Prior art date
Application number
IT2023077A
Other languages
English (en)
Original Assignee
Alsthom Cgee
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 Alsthom Cgee filed Critical Alsthom Cgee
Application granted granted Critical
Publication of IT1076581B publication Critical patent/IT1076581B/it

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)
  • Details Of Valves (AREA)
  • Lift Valve (AREA)
IT2023077A 1976-02-23 1977-02-11 Dispositivo per la riduzione della cavitazione a livello di una valvola a farfalla IT1076581B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7604932A FR2341798A1 (fr) 1976-02-23 1976-02-23 Dispositif pour la reduction de la cavitation au niveau d'une vanne papillon

Publications (1)

Publication Number Publication Date
IT1076581B true IT1076581B (it) 1985-04-27

Family

ID=9169462

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2023077A IT1076581B (it) 1976-02-23 1977-02-11 Dispositivo per la riduzione della cavitazione a livello di una valvola a farfalla

Country Status (7)

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

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3244103A1 (de) * 1982-11-29 1984-05-30 Vdo Adolf Schindling Ag, 6000 Frankfurt Drosselklappenstutzen
JPS631868A (ja) * 1986-06-19 1988-01-06 Mitsubishi Electric Corp 流量制御弁

Also Published As

Publication number Publication date
DK77077A (da) 1977-08-24
FR2341798B1 (it) 1978-08-18
GB1546037A (en) 1979-05-16
FR2341798A1 (fr) 1977-09-16
DE2706531A1 (de) 1977-08-25
ES456180A1 (es) 1978-02-16
NL7701049A (nl) 1977-08-25

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