FR2115565A5 - - Google Patents

Info

Publication number
FR2115565A5
FR2115565A5 FR7042282A FR7042282A FR2115565A5 FR 2115565 A5 FR2115565 A5 FR 2115565A5 FR 7042282 A FR7042282 A FR 7042282A FR 7042282 A FR7042282 A FR 7042282A FR 2115565 A5 FR2115565 A5 FR 2115565A5
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
FR7042282A
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.)
PERNIN SA
Original Assignee
PERNIN 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 PERNIN SA filed Critical PERNIN SA
Priority to FR7042282A priority Critical patent/FR2115565A5/fr
Priority to DE19712158321 priority patent/DE2158321A1/en
Application granted granted Critical
Publication of FR2115565A5 publication Critical patent/FR2115565A5/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
    • F16K39/00—Devices for relieving the pressure on the sealing faces
    • F16K39/02—Devices for relieving the pressure on the sealing faces for lift valves
    • F16K39/024—Devices for relieving the pressure on the sealing faces for lift valves using an auxiliary valve on the main valve
    • 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
FR7042282A 1970-11-25 1970-11-25 Expired FR2115565A5 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR7042282A FR2115565A5 (en) 1970-11-25 1970-11-25
DE19712158321 DE2158321A1 (en) 1970-11-25 1971-11-24 Valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7042282A FR2115565A5 (en) 1970-11-25 1970-11-25

Publications (1)

Publication Number Publication Date
FR2115565A5 true FR2115565A5 (en) 1972-07-07

Family

ID=9064679

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7042282A Expired FR2115565A5 (en) 1970-11-25 1970-11-25

Country Status (2)

Country Link
DE (1) DE2158321A1 (en)
FR (1) FR2115565A5 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4699351A (en) * 1984-07-11 1987-10-13 Target Rock Corporation Pressure responsive, pilot actuated, modulating valve
US5048790A (en) * 1990-07-18 1991-09-17 Target Rock Corporation Self-modulating control valve for high-pressure fluid flow

Also Published As

Publication number Publication date
DE2158321A1 (en) 1972-06-08

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Legal Events

Date Code Title Description
ST Notification of lapse