NO320881B1 - Fremgangsmate og anordning for direkte detektering av lekkasje i nodavstengningsventiler eller andre ventiler - Google Patents

Fremgangsmate og anordning for direkte detektering av lekkasje i nodavstengningsventiler eller andre ventiler Download PDF

Info

Publication number
NO320881B1
NO320881B1 NO19996403A NO996403A NO320881B1 NO 320881 B1 NO320881 B1 NO 320881B1 NO 19996403 A NO19996403 A NO 19996403A NO 996403 A NO996403 A NO 996403A NO 320881 B1 NO320881 B1 NO 320881B1
Authority
NO
Norway
Prior art keywords
upstream
downstream
valve
seal
fluid
Prior art date
Application number
NO19996403A
Other languages
English (en)
Norwegian (no)
Other versions
NO996403L (no
NO996403D0 (no
Inventor
Robert L Leon
David Q Heagerty
Original Assignee
Crane Nuclear Inc
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 Crane Nuclear Inc filed Critical Crane Nuclear Inc
Publication of NO996403D0 publication Critical patent/NO996403D0/no
Publication of NO996403L publication Critical patent/NO996403L/no
Publication of NO320881B1 publication Critical patent/NO320881B1/no

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
    • G01M3/28—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
    • G01M3/2876—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for 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
    • F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
    • F16K37/0025—Electrical or magnetic means
    • F16K37/005—Electrical or magnetic means for measuring fluid parameters
    • 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
    • F16K5/0663—Packings
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
    • G01M3/24—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using infrasonic, sonic or ultrasonic vibrations

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Examining Or Testing Airtightness (AREA)
  • Pipeline Systems (AREA)
  • Near-Field Transmission Systems (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
NO19996403A 1997-06-26 1999-12-22 Fremgangsmate og anordning for direkte detektering av lekkasje i nodavstengningsventiler eller andre ventiler NO320881B1 (no)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US5572897P 1997-06-26 1997-06-26
US6059097P 1997-10-01 1997-10-01
PCT/US1998/012868 WO1999000619A1 (en) 1997-06-26 1998-06-18 Method and apparatus for on-line detection of leaky emergency shut down or other valves

Publications (3)

Publication Number Publication Date
NO996403D0 NO996403D0 (no) 1999-12-22
NO996403L NO996403L (no) 2000-02-25
NO320881B1 true NO320881B1 (no) 2006-02-06

Family

ID=26734566

Family Applications (2)

Application Number Title Priority Date Filing Date
NO19996403A NO320881B1 (no) 1997-06-26 1999-12-22 Fremgangsmate og anordning for direkte detektering av lekkasje i nodavstengningsventiler eller andre ventiler
NO20055161A NO335721B1 (no) 1997-06-26 2005-11-03 Fremgangsmåte for direkte detektering av lekkasje i nødavstengningsventiler eller andre ventiler

Family Applications After (1)

Application Number Title Priority Date Filing Date
NO20055161A NO335721B1 (no) 1997-06-26 2005-11-03 Fremgangsmåte for direkte detektering av lekkasje i nødavstengningsventiler eller andre ventiler

Country Status (7)

Country Link
US (2) US6128946A (de)
EP (1) EP0991888B1 (de)
AT (1) ATE249000T1 (de)
AU (1) AU8156798A (de)
DE (1) DE69817821D1 (de)
NO (2) NO320881B1 (de)
WO (1) WO1999000619A1 (de)

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Also Published As

Publication number Publication date
EP0991888B1 (de) 2003-09-03
US6128946A (en) 2000-10-10
EP0991888A1 (de) 2000-04-12
NO335721B1 (no) 2015-02-02
NO996403L (no) 2000-02-25
ATE249000T1 (de) 2003-09-15
WO1999000619A1 (en) 1999-01-07
NO20055161L (no) 2000-02-25
EP0991888A4 (de) 2001-04-18
DE69817821D1 (de) 2003-10-09
US6134949A (en) 2000-10-24
AU8156798A (en) 1999-01-19
NO996403D0 (no) 1999-12-22

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