IT8620113A0 - Valvola a saracinesca, per alto vuoto, atta a garantire una perfetta tenuta, rispetto ai due tronchi di tubo, posti a monte ed a valle della stessa. - Google Patents

Valvola a saracinesca, per alto vuoto, atta a garantire una perfetta tenuta, rispetto ai due tronchi di tubo, posti a monte ed a valle della stessa.

Info

Publication number
IT8620113A0
IT8620113A0 IT8620113A IT2011386A IT8620113A0 IT 8620113 A0 IT8620113 A0 IT 8620113A0 IT 8620113 A IT8620113 A IT 8620113A IT 2011386 A IT2011386 A IT 2011386A IT 8620113 A0 IT8620113 A0 IT 8620113A0
Authority
IT
Italy
Prior art keywords
downstream
sections
ensure
designed
pipe
Prior art date
Application number
IT8620113A
Other languages
English (en)
Other versions
IT1190310B (it
IT8620113A1 (it
Inventor
Rolando Chiuppi
Original Assignee
Novatec S R L
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 Novatec S R L filed Critical Novatec S R L
Priority to IT20113/86A priority Critical patent/IT1190310B/it
Publication of IT8620113A0 publication Critical patent/IT8620113A0/it
Priority to EP86830283A priority patent/EP0241629A3/en
Publication of IT8620113A1 publication Critical patent/IT8620113A1/it
Application granted granted Critical
Publication of IT1190310B publication Critical patent/IT1190310B/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
    • F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
    • F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
    • F16K3/16—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with special arrangements for separating the sealing faces or for pressing them together
    • F16K3/18—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with special arrangements for separating the sealing faces or for pressing them together by movement of the closure members
    • F16K3/184—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with special arrangements for separating the sealing faces or for pressing them together by movement of the closure members by means of cams

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sliding Valves (AREA)
IT20113/86A 1986-04-17 1986-04-17 Valvola a saracinesca,per alto vuoto,atta a garantire una perfetta tenuta,rispetto ai due tronchi di tubo,posti a monte ed a valle della stessa IT1190310B (it)

Priority Applications (2)

Application Number Priority Date Filing Date Title
IT20113/86A IT1190310B (it) 1986-04-17 1986-04-17 Valvola a saracinesca,per alto vuoto,atta a garantire una perfetta tenuta,rispetto ai due tronchi di tubo,posti a monte ed a valle della stessa
EP86830283A EP0241629A3 (en) 1986-04-17 1986-10-03 A gate valve with improved sealing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT20113/86A IT1190310B (it) 1986-04-17 1986-04-17 Valvola a saracinesca,per alto vuoto,atta a garantire una perfetta tenuta,rispetto ai due tronchi di tubo,posti a monte ed a valle della stessa

Publications (3)

Publication Number Publication Date
IT8620113A0 true IT8620113A0 (it) 1986-04-17
IT8620113A1 IT8620113A1 (it) 1987-10-17
IT1190310B IT1190310B (it) 1988-02-16

Family

ID=11163900

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20113/86A IT1190310B (it) 1986-04-17 1986-04-17 Valvola a saracinesca,per alto vuoto,atta a garantire una perfetta tenuta,rispetto ai due tronchi di tubo,posti a monte ed a valle della stessa

Country Status (2)

Country Link
EP (1) EP0241629A3 (it)
IT (1) IT1190310B (it)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2211977C2 (ru) * 2001-09-26 2003-09-10 Экрам Абульфас оглы Исмиев Задвижка
CN101629636B (zh) * 2009-08-18 2012-09-26 吴晓磊 一种阀门
CN107013696B (zh) * 2017-06-16 2023-04-18 安徽闽之宇阀业科技有限公司 无磨损撑开式球面闸阀
CN110195784B (zh) * 2019-06-28 2024-06-21 郑州金诚信筛网设备有限公司 一种全自动气密性插板阀
CN114526348A (zh) * 2020-11-23 2022-05-24 中核苏阀科技实业股份有限公司 一种楔式闸阀密封副的制造方法及其楔式闸阀密封副
CN116412260B (zh) * 2022-01-05 2025-12-09 新莱应材科技有限公司 利用弹力启闭的闸阀

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1636297A (en) * 1920-08-13 1927-07-19 Fischbach Richard Stop valve
FR698228A (fr) * 1930-06-30 1931-01-28 Vanne
US1990762A (en) * 1933-01-16 1935-02-12 Leon J Vetrano Valve mechanism
US2863629A (en) * 1956-08-02 1958-12-09 Hydril Co Valve
FR1179088A (fr) * 1957-07-18 1959-05-20 Nantaise De Fonderies Reunies Perfectionnement aux vannes à sièges parallèles
US3575377A (en) * 1969-02-20 1971-04-20 Willamette Iron And Steel Co Closure seal for gate valve and method
FR2216492A1 (it) * 1973-02-02 1974-08-30 Bouchon Gaston
US4291861A (en) * 1980-08-04 1981-09-29 Thermionics Laboratory, Inc. Gate valve with slideable closure expandable upon oscillation

Also Published As

Publication number Publication date
EP0241629A3 (en) 1988-03-30
IT1190310B (it) 1988-02-16
IT8620113A1 (it) 1987-10-17
EP0241629A2 (en) 1987-10-21

Similar Documents

Publication Publication Date Title
IT8222713A0 (it) Struttura rotante di tenuta dipressione e metodo per ridurvi le sollecitazioni termiche.
ES551872A0 (es) Un procedimiento para la fabricacion de un par de miembros obturadores para valvulas y llaves.
DK118785D0 (da) Kobling for trykgasledning
IT8619725A1 (it) Procedimento di miglioramento di una fondazione e apparecchiatura relativa
NO167604C (no) Fremgangsmaater og anordninger til bruk ved akustisk broennlogging.
DE69008865D1 (de) Interferenzvermeidung zwischen nachbarkanälen und gebrauchtem kanal.
BR8502923A (pt) Valvula,retentor,refratario e metodo
IT1191761B (it) Perfezionamenti ai procedimento e dispositivi di bloccaggio di fasci di tubi
IT8620113A0 (it) Valvola a saracinesca, per alto vuoto, atta a garantire una perfetta tenuta, rispetto ai due tronchi di tubo, posti a monte ed a valle della stessa.
ES295919Y (es) Dispositivo de union de una tuberia de pequeno espesor.
DE3586890D1 (de) Einseitig/zweiseitig dichtender schieber.
NO894950L (no) Aksesymmetrisk tetning for retningsbestemt avgassmunnstykke.
IT1215168B (it) Valvola riduttrice della pressione
MX9300427A (es) Circuito de retraso para desintercalar canales de rdsi.
NO863931D0 (no) Forbedret silisiumnitrid og fremgangsmaate til dets fremstilling.
IT8121722A0 (it) Procedimento e profilo per chiudere a tenuta fessure.
DE3674647D1 (de) Fluessigkeitsgekuehltes zylinderrohr.
IT8422489U1 (it) Raccordo di collegamento per tubazioni con corpo di tenuta unico.
IT8348777A0 (it) Dispositivo di tenuta per dispositivo di chiusura a saracinesca ed impiego di due corpi di chiusura per la sua produzione
ES276712Y (es) Una valvula de compuerta
NO166893C (no) Tetningsanordning for forbindelser mellom innvendig tilgjengelig kammer- eller roerelementer.
KR880700196A (ko) 직접 동작식 감압 밸브
NO923337L (no) Anordning for drift av en sporbundet trekkenhet, og som er selvjusterende baade forover og bakover
KR840005627U (ko) 내 고압력 버터 플라이 밸브
SE8400160D0 (sv) Anordning vid tryckfluidumcylindrar