PT70902A - Dispositif de commande de deux obturateurs en serie sur une meme conduite - Google Patents

Dispositif de commande de deux obturateurs en serie sur une meme conduite

Info

Publication number
PT70902A
PT70902A PT7090280A PT7090280A PT70902A PT 70902 A PT70902 A PT 70902A PT 7090280 A PT7090280 A PT 7090280A PT 7090280 A PT7090280 A PT 7090280A PT 70902 A PT70902 A PT 70902A
Authority
PT
Portugal
Prior art keywords
obturators
series
controlling
same conduct
conduct
Prior art date
Application number
PT7090280A
Other languages
English (en)
Portuguese (pt)
Original Assignee
Neyrpic 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 Neyrpic Sa filed Critical Neyrpic Sa
Publication of PT70902A publication Critical patent/PT70902A/fr

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
    • F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
    • F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
    • F16K5/0647—Spindles or actuating means
    • 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
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
    • F16K31/16—Actuating devices; Operating means; Releasing devices actuated by fluid with a mechanism, other than pulling-or pushing-rod, between fluid motor and closure member
    • F16K31/163—Actuating devices; Operating means; Releasing devices actuated by fluid with a mechanism, other than pulling-or pushing-rod, between fluid motor and closure member the fluid acting on a piston
    • F16K31/1635—Actuating devices; Operating means; Releasing devices actuated by fluid with a mechanism, other than pulling-or pushing-rod, between fluid motor and closure member the fluid acting on a piston for rotating valves

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Taps Or Cocks (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
PT7090280A 1979-03-13 1980-03-05 Dispositif de commande de deux obturateurs en serie sur une meme conduite PT70902A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7906322A FR2451529A1 (fr) 1979-03-13 1979-03-13 Dispositif de commande de deux obturateurs en serie sur une meme conduite

Publications (1)

Publication Number Publication Date
PT70902A true PT70902A (fr) 1980-04-01

Family

ID=9223043

Family Applications (1)

Application Number Title Priority Date Filing Date
PT7090280A PT70902A (fr) 1979-03-13 1980-03-05 Dispositif de commande de deux obturateurs en serie sur une meme conduite

Country Status (6)

Country Link
BR (1) BR8001443A (fr)
CA (1) CA1144038A (fr)
ES (1) ES489441A1 (fr)
FR (1) FR2451529A1 (fr)
PT (1) PT70902A (fr)
YU (1) YU42326B (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4832079A (en) * 1988-03-15 1989-05-23 Sterner Industries, Inc. Dual valve system

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3902694A (en) * 1974-03-05 1975-09-02 Morley V Friedell Swinging spherical gate valve and double seal quick disconnect coupling

Also Published As

Publication number Publication date
CA1144038A (fr) 1983-04-05
FR2451529A1 (fr) 1980-10-10
FR2451529B1 (fr) 1982-01-22
YU42326B (en) 1988-08-31
ES489441A1 (es) 1980-09-16
BR8001443A (pt) 1980-11-11
YU50380A (en) 1983-04-30

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Legal Events

Date Code Title Description
MM3A Annulment or lapse

Free format text: LAPSE DUE TO NON-PAYMENT OF FEES

Effective date: 19940831