FR2171344B1 - - Google Patents

Info

Publication number
FR2171344B1
FR2171344B1 FR7304619A FR7304619A FR2171344B1 FR 2171344 B1 FR2171344 B1 FR 2171344B1 FR 7304619 A FR7304619 A FR 7304619A FR 7304619 A FR7304619 A FR 7304619A FR 2171344 B1 FR2171344 B1 FR 2171344B1
Authority
FR
France
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
FR7304619A
Other versions
FR2171344A1 (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.)
Dresser Industries Inc
Original Assignee
Dresser Industries 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 Dresser Industries Inc filed Critical Dresser Industries Inc
Publication of FR2171344A1 publication Critical patent/FR2171344A1/fr
Application granted granted Critical
Publication of FR2171344B1 publication Critical patent/FR2171344B1/fr
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
    • F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
    • F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
    • F16K17/10—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with auxiliary valve for fluid operation of the main valve

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Safety Valves (AREA)
FR7304619A 1972-02-09 1973-02-09 Expired FR2171344B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US22486272A 1972-02-09 1972-02-09

Publications (2)

Publication Number Publication Date
FR2171344A1 FR2171344A1 (fr) 1973-09-21
FR2171344B1 true FR2171344B1 (fr) 1976-09-10

Family

ID=22842544

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7304619A Expired FR2171344B1 (fr) 1972-02-09 1973-02-09

Country Status (11)

Country Link
JP (1) JPS4892920A (fr)
AT (1) AT325910B (fr)
BE (1) BE795088A (fr)
CA (1) CA971856A (fr)
CH (1) CH569214A5 (fr)
DE (1) DE2306220A1 (fr)
ES (1) ES411393A1 (fr)
FR (1) FR2171344B1 (fr)
GB (1) GB1377331A (fr)
IT (1) IT977281B (fr)
NL (1) NL7301513A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4586533A (en) * 1985-07-01 1986-05-06 Crosby Valve & Gage Company Non-flowing modulating pilot operated relief valve
US5217047A (en) * 1991-05-30 1993-06-08 Coltec Industries Inc. Solenoid operated pressure regulating valve
CN112797221B (zh) * 2021-03-01 2022-09-06 四川长仪油气集输设备股份有限公司 先导轴流式安全阀

Also Published As

Publication number Publication date
AT325910B (de) 1975-11-10
DE2306220A1 (de) 1973-08-23
ATA79573A (de) 1975-01-15
GB1377331A (en) 1974-12-11
IT977281B (it) 1974-09-10
ES411393A1 (es) 1976-06-01
CA971856A (en) 1975-07-29
JPS4892920A (fr) 1973-12-01
NL7301513A (fr) 1973-08-13
BE795088A (fr) 1973-05-29
FR2171344A1 (fr) 1973-09-21
CH569214A5 (fr) 1975-11-14

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Legal Events

Date Code Title Description
ST Notification of lapse