DE2526789A1 - Pilotventilbetaetiger fuer ein sicherheitsueberdruckventil - Google Patents

Pilotventilbetaetiger fuer ein sicherheitsueberdruckventil

Info

Publication number
DE2526789A1
DE2526789A1 DE19752526789 DE2526789A DE2526789A1 DE 2526789 A1 DE2526789 A1 DE 2526789A1 DE 19752526789 DE19752526789 DE 19752526789 DE 2526789 A DE2526789 A DE 2526789A DE 2526789 A1 DE2526789 A1 DE 2526789A1
Authority
DE
Germany
Prior art keywords
disc
seat
pressure
pilot
valve
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.)
Pending
Application number
DE19752526789
Other languages
German (de)
English (en)
Inventor
Harold Eugene Bass
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 DE2526789A1 publication Critical patent/DE2526789A1/de
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K17/00Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/02Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
    • F16K17/04Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
    • F16K17/10Safety 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
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00Fluid handling
    • Y10T137/7722Line condition change responsive valves
    • Y10T137/7738Pop valves
    • Y10T137/7744Adjustable choke
    • Y10T137/7745Annular lip or baffle
    • Y10T137/7747Screw threaded
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00Fluid handling
    • Y10T137/7722Line condition change responsive valves
    • Y10T137/7758Pilot or servo controlled
    • Y10T137/7762Fluid pressure type
    • Y10T137/7764Choked or throttled pressure type
    • Y10T137/7766Choked passage through main valve head

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Safety Valves (AREA)
DE19752526789 1974-06-17 1975-06-13 Pilotventilbetaetiger fuer ein sicherheitsueberdruckventil Pending DE2526789A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US47969574 US3897802A (en) 1974-06-17 1974-06-17 Pilot valve operator for safety relief valve

Publications (1)

Publication Number Publication Date
DE2526789A1 true DE2526789A1 (de) 1976-01-02

Family

ID=23905036

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19752526789 Pending DE2526789A1 (de) 1974-06-17 1975-06-13 Pilotventilbetaetiger fuer ein sicherheitsueberdruckventil

Country Status (14)

Country Link
US (1) US3897802A (enExample)
JP (1) JPS5111221A (enExample)
AR (1) AR210737A1 (enExample)
AU (1) AU8182675A (enExample)
BE (1) BE830295A (enExample)
BR (1) BR7503801A (enExample)
CA (1) CA1039616A (enExample)
CH (1) CH594154A5 (enExample)
DE (1) DE2526789A1 (enExample)
ES (1) ES438618A1 (enExample)
GB (1) GB1482386A (enExample)
IT (1) IT1035983B (enExample)
NL (1) NL7506813A (enExample)
ZA (1) ZA753475B (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51116262A (en) * 1974-08-01 1976-10-13 Saburou Ochiai Plural yarn guide pipe mechanism for multicolor pattern knitting machine
US4708164A (en) * 1986-06-16 1987-11-24 Dresser Industries, Inc. Safety relief valve
US5046524A (en) * 1990-07-23 1991-09-10 Dresser Industries, Inc. Safety relief valve
US5094266A (en) * 1991-05-22 1992-03-10 Ledbetter Harold J Pressure release valve
US5782259A (en) * 1994-06-16 1998-07-21 Ledbetter; Harold J. Pressure relief valve
US7134447B2 (en) * 2002-11-22 2006-11-14 Victor Equipment Company Gas pressure regulator

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2754842A (en) * 1952-06-25 1956-07-17 Hagiwara Noboru Pressure responsive pop valves
US2821208A (en) * 1955-10-19 1958-01-28 Farris Victor Wallace Safety valves
US2875978A (en) * 1956-04-25 1959-03-03 Mcdonnell & Miller Inc Valve construction
US3354900A (en) * 1965-02-24 1967-11-28 Dresser Ind Safety valve having variable area secondary orifice
US3439702A (en) * 1966-06-13 1969-04-22 Dresser Ind Pilot operated safety relief valve

Also Published As

Publication number Publication date
ES438618A1 (es) 1977-07-01
CA1039616A (en) 1978-10-03
NL7506813A (nl) 1975-12-19
CH594154A5 (enExample) 1977-12-30
ZA753475B (en) 1976-04-28
US3897802A (en) 1975-08-05
AU8182675A (en) 1976-12-09
JPS5111221A (enExample) 1976-01-29
BE830295A (fr) 1975-10-16
GB1482386A (en) 1977-08-10
IT1035983B (it) 1979-10-20
AR210737A1 (es) 1977-09-15
BR7503801A (pt) 1976-07-06

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