IT979391B - Valvola di non ritorno - Google Patents

Valvola di non ritorno

Info

Publication number
IT979391B
IT979391B IT2074773A IT2074773A IT979391B IT 979391 B IT979391 B IT 979391B IT 2074773 A IT2074773 A IT 2074773A IT 2074773 A IT2074773 A IT 2074773A IT 979391 B IT979391 B IT 979391B
Authority
IT
Italy
Prior art keywords
return valve
return
valve
Prior art date
Application number
IT2074773A
Other languages
English (en)
Inventor
Sciascio N Di
G Dodero
Original Assignee
Nuovo Pignone Spa
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 Nuovo Pignone Spa filed Critical Nuovo Pignone Spa
Priority to IT2074773A priority Critical patent/IT979391B/it
Priority to CH228574A priority patent/CH582323A5/xx
Priority to BR133774A priority patent/BR7401337D0/pt
Priority to GB824774A priority patent/GB1427866A/en
Priority to DE19742408675 priority patent/DE2408675A1/de
Priority to FR7406134A priority patent/FR2219355B1/fr
Priority to ES423850A priority patent/ES423850A1/es
Application granted granted Critical
Publication of IT979391B publication Critical patent/IT979391B/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
    • F16K1/20—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 arranged externally of valve member
    • F16K1/2007—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 arranged externally of valve member specially adapted operating means therefor
    • 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
    • F16K1/20—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 arranged externally of valve member
    • F16K1/2014—Shaping of the valve member
    • 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
    • F16K15/03—Check valves with guided rigid valve members with a hinged closure member or with a pivoted closure member

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Check Valves (AREA)
  • Mechanically-Actuated Valves (AREA)
  • Lift Valve (AREA)
IT2074773A 1973-03-23 1973-03-23 Valvola di non ritorno IT979391B (it)

Priority Applications (7)

Application Number Priority Date Filing Date Title
IT2074773A IT979391B (it) 1973-03-23 1973-03-23 Valvola di non ritorno
CH228574A CH582323A5 (it) 1973-03-23 1974-02-19
BR133774A BR7401337D0 (pt) 1973-03-23 1974-02-21 Cabecote atirador de esferas para teste de tubulacoes submarinas
GB824774A GB1427866A (en) 1973-03-23 1974-02-22 Check valve
DE19742408675 DE2408675A1 (de) 1973-03-23 1974-02-22 Rueckschlagventil
FR7406134A FR2219355B1 (it) 1973-03-23 1974-02-22
ES423850A ES423850A1 (es) 1973-03-23 1974-02-22 Perfeccionamientos en valvulas de retencion.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2074773A IT979391B (it) 1973-03-23 1973-03-23 Valvola di non ritorno

Publications (1)

Publication Number Publication Date
IT979391B true IT979391B (it) 1974-09-30

Family

ID=11171460

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2074773A IT979391B (it) 1973-03-23 1973-03-23 Valvola di non ritorno

Country Status (7)

Country Link
BR (1) BR7401337D0 (it)
CH (1) CH582323A5 (it)
DE (1) DE2408675A1 (it)
ES (1) ES423850A1 (it)
FR (1) FR2219355B1 (it)
GB (1) GB1427866A (it)
IT (1) IT979391B (it)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4477053A (en) * 1980-11-21 1984-10-16 General Signal Corp. Shut-off valve for high temperature erosive flow
US4331316A (en) * 1980-11-21 1982-05-25 General Signal Corporation Shut-off valve for high temperature erosive flow
FR2523251B1 (fr) * 1982-03-09 1988-02-19 Gen Signal Corp Vanne d'arret pour ecoulement abrasif a haute temperature
NL8500650A (nl) * 1984-05-12 1985-12-02 Gestra Ag Terugslagklep.
GB8501806D0 (en) * 1985-01-24 1985-02-27 Simon Hartley Circular flap valve with buffer
US20070119170A1 (en) * 2005-11-29 2007-05-31 Patrick Masson Non-rotating turbocharger waste gate valve
CN101709785B (zh) * 2009-12-05 2012-01-04 张英华 快开门阀门
DE112013002002B4 (de) * 2012-04-10 2021-05-12 Ihi Corporation Turbolader mit einem Ventil im Einlass eines Turbinenspiralkanals
DE102012220504A1 (de) 2012-11-09 2014-05-15 BSH Bosch und Siemens Hausgeräte GmbH Rückschlagventil
CN103075548A (zh) * 2012-12-30 2013-05-01 张意 全自动右侧开保压卸荷安全阀
CN103075546A (zh) * 2012-12-30 2013-05-01 张意 全自动左侧开保压卸荷安全阀
GB2517904A (en) * 2013-07-31 2015-03-11 Ingegneria Ceramica S R L An Improved Obturator and Method of Fabrication Thereof
CN106801751A (zh) * 2015-11-26 2017-06-06 安徽纵横泵阀制造有限公司 一种旋转式止回水阀
CN109578636B (zh) * 2018-12-28 2024-09-10 安徽大众阀门集团有限公司 一种可调式止回阀

Also Published As

Publication number Publication date
GB1427866A (en) 1976-03-10
FR2219355B1 (it) 1976-12-03
FR2219355A1 (it) 1974-09-20
CH582323A5 (it) 1976-11-30
BR7401337D0 (pt) 1974-11-19
ES423850A1 (es) 1976-10-16
DE2408675A1 (de) 1974-09-12

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