ES423850A1 - Perfeccionamientos en valvulas de retencion. - Google Patents

Perfeccionamientos en valvulas de retencion.

Info

Publication number
ES423850A1
ES423850A1 ES423850A ES423850A ES423850A1 ES 423850 A1 ES423850 A1 ES 423850A1 ES 423850 A ES423850 A ES 423850A ES 423850 A ES423850 A ES 423850A ES 423850 A1 ES423850 A1 ES 423850A1
Authority
ES
Spain
Prior art keywords
valve body
cap
sealing disc
check valve
itself
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.)
Expired
Application number
ES423850A
Other languages
English (en)
Spanish (es)
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.)
Nuovo Pignone SpA
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
Publication of ES423850A1 publication Critical patent/ES423850A1/es
Expired 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
    • F16K1/20—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
ES423850A 1973-03-23 1974-02-22 Perfeccionamientos en valvulas de retencion. Expired ES423850A1 (es)

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
ES423850A1 true ES423850A1 (es) 1976-10-16

Family

ID=11171460

Family Applications (1)

Application Number Title Priority Date Filing Date
ES423850A Expired ES423850A1 (es) 1973-03-23 1974-02-22 Perfeccionamientos en valvulas de retencion.

Country Status (7)

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

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4331316A (en) * 1980-11-21 1982-05-25 General Signal Corporation Shut-off valve for high temperature erosive flow
US4477053A (en) * 1980-11-21 1984-10-16 General Signal Corp. 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
CN109578636A (zh) * 2018-12-28 2019-04-05 安徽大众阀门有限公司 一种可调式止回阀

Also Published As

Publication number Publication date
BR7401337D0 (pt) 1974-11-19
GB1427866A (en) 1976-03-10
FR2219355B1 (de) 1976-12-03
CH582323A5 (de) 1976-11-30
FR2219355A1 (de) 1974-09-20
IT979391B (it) 1974-09-30
DE2408675A1 (de) 1974-09-12

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