DE3378488D1 - A double seal valve assuring an absolute leak-tightness - Google Patents

A double seal valve assuring an absolute leak-tightness

Info

Publication number
DE3378488D1
DE3378488D1 DE8383400203T DE3378488T DE3378488D1 DE 3378488 D1 DE3378488 D1 DE 3378488D1 DE 8383400203 T DE8383400203 T DE 8383400203T DE 3378488 T DE3378488 T DE 3378488T DE 3378488 D1 DE3378488 D1 DE 3378488D1
Authority
DE
Germany
Prior art keywords
tightness
seal valve
double seal
absolute leak
assuring
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
DE8383400203T
Other languages
German (de)
English (en)
Inventor
Francis Timmermans
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.)
Jeumont Schneider SA
Original Assignee
Jeumont Schneider 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 Jeumont Schneider SA filed Critical Jeumont Schneider SA
Application granted granted Critical
Publication of DE3378488D1 publication Critical patent/DE3378488D1/de
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
    • F16K1/32—Details
    • F16K1/34—Cutting-off parts, e.g. valve members, seats
    • F16K1/44—Details of seats or valve members of double-seat 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
    • 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
    • F16K1/02—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 screw-spindle
    • F16K1/06—Special arrangements for improving the flow, e.g. special shape of passages or casings
    • F16K1/10—Special arrangements for improving the flow, e.g. special shape of passages or casings in which the spindle is inclined to the general direction of flow
    • 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
    • F16K1/32—Details
    • F16K1/34—Cutting-off parts, e.g. valve members, seats
    • F16K1/44—Details of seats or valve members of double-seat valves
    • F16K1/443—Details of seats or valve members of double-seat valves the seats being in series

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lift Valve (AREA)
  • Details Of Valves (AREA)
DE8383400203T 1982-02-01 1983-01-28 A double seal valve assuring an absolute leak-tightness Expired DE3378488D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8201534A FR2520835A1 (fr) 1982-02-01 1982-02-01 Vanne a double obturation assurant une etancheite absolue

Publications (1)

Publication Number Publication Date
DE3378488D1 true DE3378488D1 (en) 1988-12-22

Family

ID=9270530

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8383400203T Expired DE3378488D1 (en) 1982-02-01 1983-01-28 A double seal valve assuring an absolute leak-tightness

Country Status (9)

Country Link
US (1) US4529168A (US06174465-20010116-C00003.png)
EP (1) EP0088648B1 (US06174465-20010116-C00003.png)
JP (1) JPS58134285A (US06174465-20010116-C00003.png)
KR (1) KR850001584B1 (US06174465-20010116-C00003.png)
CA (1) CA1220402A (US06174465-20010116-C00003.png)
DE (1) DE3378488D1 (US06174465-20010116-C00003.png)
ES (1) ES8400574A1 (US06174465-20010116-C00003.png)
FR (1) FR2520835A1 (US06174465-20010116-C00003.png)
ZA (1) ZA83627B (US06174465-20010116-C00003.png)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0160841B1 (en) * 1984-04-11 1988-11-02 White Consolidated Industries, Inc. Erosion resistant soft seated valve trim
US4776513A (en) * 1985-05-28 1988-10-11 Navistar International Transportation Corp. Double seal thermostat
US4856711A (en) * 1987-05-13 1989-08-15 Navistar International Transportation Corp. Double seal thermostat
JP2711596B2 (ja) * 1991-02-15 1998-02-10 株式会社テイエルブイ 調節弁
JP2761676B2 (ja) * 1991-03-15 1998-06-04 株式会社テイエルブイ 調節弁
WO1994016838A1 (en) * 1993-01-28 1994-08-04 Nippon Steel Corporation Continuous hot rolling method and rolled material joining apparatus
US6182696B1 (en) 1998-10-27 2001-02-06 Nordstrom Valves, Inc. Dual isolation valve with rectangular flow passageways
US6609532B1 (en) 2001-03-15 2003-08-26 Dialysis Systems, Inc. Rotational connecting valve with quick disconnect
US20020166989A1 (en) * 2001-05-08 2002-11-14 Peterson Michael J. Valve assembly
DE102004028968B4 (de) * 2004-06-16 2006-04-27 Karl Dungs Gmbh & Co. Kg Ventil mit sicherer Öffnungsanzeige
DE102005026105B4 (de) * 2005-06-07 2008-09-18 Karl Dungs Gmbh & Co. Kg Ventil mit Endlagenschaltung
US7210667B1 (en) * 2005-07-08 2007-05-01 Gorin Barney F Redundant testable valve apparatus
WO2007098562A1 (en) * 2006-03-02 2007-09-07 Global Valve Technology Limited Dual seal valve
DE102017209959A1 (de) * 2017-06-13 2018-12-13 Robert Bosch Gmbh Ventilvorrichtung
JP6902789B2 (ja) * 2018-02-20 2021-07-14 株式会社不二工機 電動弁
WO2019221785A1 (en) * 2018-05-16 2019-11-21 Parker-Hannifin Corporation Valve comprising a dual piston assembly and method of forming a valve

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1724017A (en) * 1927-05-28 1929-08-13 Creamery Package Mfg Co Valve
US4166607A (en) * 1976-10-14 1979-09-04 Hoke, Inc. Bellows seal valve
US4232695A (en) * 1978-12-18 1980-11-11 The Garrett Corporation Fluid control valve and method

Also Published As

Publication number Publication date
ES519260A0 (es) 1983-11-01
ZA83627B (en) 1983-10-26
FR2520835A1 (fr) 1983-08-05
KR840003340A (ko) 1984-08-20
FR2520835B1 (US06174465-20010116-C00003.png) 1984-03-30
KR850001584B1 (ko) 1985-10-19
ES8400574A1 (es) 1983-11-01
EP0088648B1 (fr) 1988-11-17
JPS58134285A (ja) 1983-08-10
US4529168A (en) 1985-07-16
CA1220402A (fr) 1987-04-14
EP0088648A1 (fr) 1983-09-14

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee