GB1228827A - - Google Patents

Info

Publication number
GB1228827A
GB1228827A GB1228827DA GB1228827A GB 1228827 A GB1228827 A GB 1228827A GB 1228827D A GB1228827D A GB 1228827DA GB 1228827 A GB1228827 A GB 1228827A
Authority
GB
United Kingdom
Prior art keywords
valve
piston
pressure
spring
seat
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.)
Expired
Application number
Other languages
English (en)
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 filed Critical
Publication of GB1228827A publication Critical patent/GB1228827A/en
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
    • F16K17/044—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 more than one spring
    • 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
    • F16K17/042—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 locking or disconnecting arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Safety Valves (AREA)
GB1228827D 1968-08-13 1968-08-13 Expired GB1228827A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3868668 1968-08-13

Publications (1)

Publication Number Publication Date
GB1228827A true GB1228827A (zh) 1971-04-21

Family

ID=10405056

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1228827D Expired GB1228827A (zh) 1968-08-13 1968-08-13

Country Status (1)

Country Link
GB (1) GB1228827A (zh)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4046165A (en) * 1975-06-04 1977-09-06 Ibec Industries, Inc. Valve-positioning apparatus
US6047731A (en) * 1994-05-27 2000-04-11 Siemens Aktiengesellschaft Pressure fitting, in particular a pressure relief and safety valve
CN100380033C (zh) * 2003-08-19 2008-04-09 查谦 背压平衡式最小压力阀
FR2953578A1 (fr) * 2009-12-04 2011-06-10 Spirax Sarco Clapet anti-retour transformable en vanne d'isolement
WO2015168558A1 (en) * 2014-05-02 2015-11-05 Goehler Dannie Pressure release valve for oil recovery systems
CN106763941A (zh) * 2016-12-07 2017-05-31 扬中市阀门厂有限公司 一种浮球式控海水单吸阀
CN113090791A (zh) * 2021-03-03 2021-07-09 江苏八方工业装备有限公司 一种防前泻的新型安全阀

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4046165A (en) * 1975-06-04 1977-09-06 Ibec Industries, Inc. Valve-positioning apparatus
US6047731A (en) * 1994-05-27 2000-04-11 Siemens Aktiengesellschaft Pressure fitting, in particular a pressure relief and safety valve
CN100380033C (zh) * 2003-08-19 2008-04-09 查谦 背压平衡式最小压力阀
FR2953578A1 (fr) * 2009-12-04 2011-06-10 Spirax Sarco Clapet anti-retour transformable en vanne d'isolement
WO2015168558A1 (en) * 2014-05-02 2015-11-05 Goehler Dannie Pressure release valve for oil recovery systems
CN106537009A (zh) * 2014-05-02 2017-03-22 Bs和B创新有限公司 用于采油系统的减压阀
US10451190B2 (en) 2014-05-02 2019-10-22 Bs&B Innovations Limited Pressure release valve for oil recovery systems
CN106763941A (zh) * 2016-12-07 2017-05-31 扬中市阀门厂有限公司 一种浮球式控海水单吸阀
CN113090791A (zh) * 2021-03-03 2021-07-09 江苏八方工业装备有限公司 一种防前泻的新型安全阀

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees