FR1519349A - Device and method for checking the tightness of two shut-off valves connected in series in a gas line - Google Patents

Device and method for checking the tightness of two shut-off valves connected in series in a gas line

Info

Publication number
FR1519349A
FR1519349A FR103165A FR103165A FR1519349A FR 1519349 A FR1519349 A FR 1519349A FR 103165 A FR103165 A FR 103165A FR 103165 A FR103165 A FR 103165A FR 1519349 A FR1519349 A FR 1519349A
Authority
FR
France
Prior art keywords
tightness
shut
checking
series
gas line
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
FR103165A
Other languages
French (fr)
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.)
LUEDI AG R
Original Assignee
LUEDI AG R
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
Priority claimed from CH608966A external-priority patent/CH441810A/en
Application filed by LUEDI AG R filed Critical LUEDI AG R
Priority to FR103165A priority Critical patent/FR1519349A/en
Application granted granted Critical
Publication of FR1519349A publication Critical patent/FR1519349A/en
Expired legal-status Critical Current

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
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N5/00—Systems for controlling combustion
    • F23N5/24—Preventing development of abnormal or undesired conditions, i.e. safety arrangements
    • F23N5/245—Preventing development of abnormal or undesired conditions, i.e. safety arrangements using electrical or electromechanical 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
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L2101/00—Uses or applications of pigs or moles
    • F16L2101/30—Inspecting, measuring or testing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2231/00—Fail safe
    • F23N2231/18—Detecting fluid leaks

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR103165A 1966-04-27 1967-04-18 Device and method for checking the tightness of two shut-off valves connected in series in a gas line Expired FR1519349A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR103165A FR1519349A (en) 1966-04-27 1967-04-18 Device and method for checking the tightness of two shut-off valves connected in series in a gas line

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH608966A CH441810A (en) 1966-04-27 1966-04-27 Device for testing the tightness of two shut-off valves connected in series in a line for flowable, pressurized media, in particular gas, and a method for operating the same
FR103165A FR1519349A (en) 1966-04-27 1967-04-18 Device and method for checking the tightness of two shut-off valves connected in series in a gas line

Publications (1)

Publication Number Publication Date
FR1519349A true FR1519349A (en) 1968-03-29

Family

ID=25698951

Family Applications (1)

Application Number Title Priority Date Filing Date
FR103165A Expired FR1519349A (en) 1966-04-27 1967-04-18 Device and method for checking the tightness of two shut-off valves connected in series in a gas line

Country Status (1)

Country Link
FR (1) FR1519349A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0064560A1 (en) * 1980-11-21 1982-11-17 Yamatake-Honeywell Co. Ltd. Safety shut-off valve
WO1992011457A1 (en) * 1990-12-21 1992-07-09 Beta Machinery Analysis Ltd. Method and apparatus for analyzing the operating condition of a machine

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0064560A1 (en) * 1980-11-21 1982-11-17 Yamatake-Honeywell Co. Ltd. Safety shut-off valve
EP0064560A4 (en) * 1980-11-21 1983-03-04 Yamatake Honeywell Co Ltd Safety shut-off valve.
WO1992011457A1 (en) * 1990-12-21 1992-07-09 Beta Machinery Analysis Ltd. Method and apparatus for analyzing the operating condition of a machine

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