BE795088A - PILOT OPERATOR FOR RELIEF VALVE AND DEVICE INCLUDING SUCH A DEVICE - Google Patents

PILOT OPERATOR FOR RELIEF VALVE AND DEVICE INCLUDING SUCH A DEVICE

Info

Publication number
BE795088A
BE795088A BE795088DA BE795088A BE 795088 A BE795088 A BE 795088A BE 795088D A BE795088D A BE 795088DA BE 795088 A BE795088 A BE 795088A
Authority
BE
Belgium
Prior art keywords
relief valve
pilot operator
device including
pilot
operator
Prior art date
Application number
Other languages
French (fr)
Inventor
H E Ferrill
Original Assignee
Dresser Ind
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.)
Publication date
Publication of BE795088A publication Critical patent/BE795088A/en

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)
BE795088D 1972-02-09 PILOT OPERATOR FOR RELIEF VALVE AND DEVICE INCLUDING SUCH A DEVICE BE795088A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
BE795088A true BE795088A (en) 1973-05-29

Family

ID=22842544

Family Applications (1)

Application Number Title Priority Date Filing Date
BE795088D BE795088A (en) 1972-02-09 PILOT OPERATOR FOR RELIEF VALVE AND DEVICE INCLUDING SUCH A DEVICE

Country Status (11)

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

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 (en) * 2021-03-01 2022-09-06 四川长仪油气集输设备股份有限公司 Pilot axial flow type safety valve

Also Published As

Publication number Publication date
CH569214A5 (en) 1975-11-14
IT977281B (en) 1974-09-10
ATA79573A (en) 1975-01-15
JPS4892920A (en) 1973-12-01
DE2306220A1 (en) 1973-08-23
ES411393A1 (en) 1976-06-01
CA971856A (en) 1975-07-29
FR2171344A1 (en) 1973-09-21
FR2171344B1 (en) 1976-09-10
GB1377331A (en) 1974-12-11
NL7301513A (en) 1973-08-13
AT325910B (en) 1975-11-10

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