NL7907152A - Onder veerspanning staande veiligheidsklep. - Google Patents

Onder veerspanning staande veiligheidsklep. Download PDF

Info

Publication number
NL7907152A
NL7907152A NL7907152A NL7907152A NL7907152A NL 7907152 A NL7907152 A NL 7907152A NL 7907152 A NL7907152 A NL 7907152A NL 7907152 A NL7907152 A NL 7907152A NL 7907152 A NL7907152 A NL 7907152A
Authority
NL
Netherlands
Prior art keywords
valve
spring
adjusting
auxiliary load
sleeves
Prior art date
Application number
NL7907152A
Other languages
English (en)
Dutch (nl)
Original Assignee
Bopp & Reuther Gmbh
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 Bopp & Reuther Gmbh filed Critical Bopp & Reuther Gmbh
Publication of NL7907152A publication Critical patent/NL7907152A/nl

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
    • F16K17/105—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 using choking or throttling means to control the fluid operation of the main valve
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7758—Pilot or servo controlled
    • Y10T137/7762—Fluid pressure type
    • Y10T137/7764—Choked or throttled pressure type
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7758—Pilot or servo controlled
    • Y10T137/7762—Fluid pressure type
    • Y10T137/7769—Single acting fluid servo
    • Y10T137/777—Spring biased

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Safety Valves (AREA)
NL7907152A 1979-06-30 1979-09-26 Onder veerspanning staande veiligheidsklep. NL7907152A (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2926522 1979-06-30
DE2926522A DE2926522C2 (de) 1979-06-30 1979-06-30 Federbelastetes Sicherheitsventil

Publications (1)

Publication Number Publication Date
NL7907152A true NL7907152A (nl) 1981-01-05

Family

ID=6074628

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7907152A NL7907152A (nl) 1979-06-30 1979-09-26 Onder veerspanning staande veiligheidsklep.

Country Status (10)

Country Link
US (1) US4362183A (de)
JP (1) JPS5610867A (de)
AT (1) AT382219B (de)
DE (1) DE2926522C2 (de)
ES (1) ES485132A1 (de)
FR (1) FR2460433A1 (de)
GB (1) GB2052802B (de)
IT (1) IT1123817B (de)
NL (1) NL7907152A (de)
SE (1) SE438367B (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT405675B (de) * 1996-06-26 1999-10-25 Hygrama Ag Vorrichtung zur begrenzung der vorspannung einer regelfeder
US5890508A (en) * 1996-08-15 1999-04-06 Flow-Safe, Inc. Main relief valve for safety relief system
WO1998008015A1 (en) * 1996-08-23 1998-02-26 Flow Safe, Inc. Pilot operated safety relief valve
US5842501A (en) * 1996-08-23 1998-12-01 Flow Safe, Inc. Pilot operated safety relief valve
CN1098431C (zh) * 1997-10-13 2003-01-08 赵文轩 新型无泄漏安全阀
EP1108934A1 (de) * 1999-12-16 2001-06-20 Techspace Aero S.A. Antrieb für ein Sicherheitsventil
US9708872B2 (en) 2013-06-19 2017-07-18 Wwt North America Holdings, Inc Clean out sub

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3077898A (en) * 1959-01-28 1963-02-19 Racine Hydraulics And Machiner Fluid relief valve
DE1650613B2 (de) * 1967-11-04 1972-09-21 Carl Herbert Zikesch GmbH, 4230 Wesel Sicherheisventil mit zusatzbelastung
DE1675485B1 (de) * 1968-03-02 1970-09-24 Bopp & Reuther Gmbh Sicherheitsventil mit Zusatzbelastung
US3512549A (en) * 1968-10-15 1970-05-19 Charles W Wiegand Pilot operated relief valve
US3865132A (en) * 1973-08-17 1975-02-11 Charles W Wiegand Pilot operated relief valve

Also Published As

Publication number Publication date
DE2926522A1 (de) 1981-01-08
IT1123817B (it) 1986-04-30
ES485132A1 (es) 1980-05-16
DE2926522C2 (de) 1983-10-06
US4362183A (en) 1982-12-07
GB2052802B (en) 1983-01-06
FR2460433B1 (de) 1985-02-08
JPS5610867A (en) 1981-02-03
GB2052802A (en) 1981-01-28
SE438367B (sv) 1985-04-15
ATA622079A (de) 1986-06-15
SE7908825L (sv) 1980-12-31
AT382219B (de) 1987-01-26
IT7926426A0 (it) 1979-10-11
FR2460433A1 (fr) 1981-01-23

Similar Documents

Publication Publication Date Title
US5564673A (en) Pilot-operated hydraulic valve
US4445671A (en) Gas spring including hydraulic locking means
JP2630439B2 (ja) 調整器
US3512549A (en) Pilot operated relief valve
US4226259A (en) Regulator module
EP0511444A2 (de) Regel- und Absperrventil
JPS621505Y2 (de)
NL7907152A (nl) Onder veerspanning staande veiligheidsklep.
US4977925A (en) Safety valve
GB2039663A (en) Gas spring with safety brake
US1949150A (en) Safety valve
US4973026A (en) High pressure water jet cutting nozzle on-off valve
NO137517B (no) Styreventil for en trykkavlastningsventil
US4595033A (en) Low pressure high temperature safety valve
US5305780A (en) Pressure relief valve with auxiliary loading device
US6047728A (en) Spring loaded bellows regulator
US3920216A (en) Lever operated control valve
US1724891A (en) Reducing valve
GB2066932A (en) Pressure regulator and safety valve assembly
US5950657A (en) Modulating action non-flowing pilot operated relief valve
US3683955A (en) Gas control valve
US3794062A (en) Fluid pressure reducing valve
US2899976A (en) Release relief valve
CA1223499A (en) Low pressure high temperature safety valve
KR101574182B1 (ko) 방출량 제어가 용이한 파일럿 구동형 비례제어식 압력방출밸브

Legal Events

Date Code Title Description
A85 Still pending on 85-01-01
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
BV The patent application has lapsed