ES2006604A6 - Un poston escalonado pra una valvula de escape de seguridad de accionamiento equilibrado por valvula auxiliar. - Google Patents

Un poston escalonado pra una valvula de escape de seguridad de accionamiento equilibrado por valvula auxiliar.

Info

Publication number
ES2006604A6
ES2006604A6 ES8800869A ES8800869A ES2006604A6 ES 2006604 A6 ES2006604 A6 ES 2006604A6 ES 8800869 A ES8800869 A ES 8800869A ES 8800869 A ES8800869 A ES 8800869A ES 2006604 A6 ES2006604 A6 ES 2006604A6
Authority
ES
Spain
Prior art keywords
pressure
piston
area end
end portion
relief 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.)
Expired
Application number
ES8800869A
Other languages
English (en)
Inventor
Lai Ying San
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 ES2006604A6 publication Critical patent/ES2006604A6/es
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
    • 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)

Abstract

UN PISTON ESCALONADO PARA UNA VALVULA DE ESCAPE DE SEGURIDAD DE ACCIONAMIENTO EQUILIBRADO POR VALVULA AUXILIAR, QUE ELIMINA LA NECESIDAD DE UTILIZAR POR SEPARADO UN DISPOSITIVO PROTECTOR CONTRA REFLUJOS, COMPRENDE UNA PORCION EXTREMA DE MENOR AREA PARA ASENTARSE SOBRE EL ASIENTO DE VALVULA ENTRE UNA LINEA DE PRESION PRINCIPAL Y UNA LINEA DE ESCAPE Y UNA PORCION EXTREMA DE MAYOR AREA DISPUESTA DESLIZABLEMENTE DENTRO DE UNA CAMARA O BOVEDA A PRESION.
ES8800869A 1987-03-23 1988-03-22 Un poston escalonado pra una valvula de escape de seguridad de accionamiento equilibrado por valvula auxiliar. Expired ES2006604A6 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US2880387A 1987-03-23 1987-03-23

Publications (1)

Publication Number Publication Date
ES2006604A6 true ES2006604A6 (es) 1989-05-01

Family

ID=21845522

Family Applications (1)

Application Number Title Priority Date Filing Date
ES8800869A Expired ES2006604A6 (es) 1987-03-23 1988-03-22 Un poston escalonado pra una valvula de escape de seguridad de accionamiento equilibrado por valvula auxiliar.

Country Status (9)

Country Link
JP (1) JPS63254278A (es)
KR (1) KR880011511A (es)
CN (1) CN88101490A (es)
AU (1) AU1320088A (es)
BR (1) BR8801154A (es)
ES (1) ES2006604A6 (es)
FR (1) FR2613020A1 (es)
GB (1) GB2202612A (es)
IT (1) IT1219508B (es)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
LU88384A1 (de) * 1993-07-16 1995-02-01 Hydrolux Sarl 2-Wege-Einbauventil als Sitzventil
DE69602905T2 (de) * 1995-11-16 2000-01-27 Boc Group Plc Druckreduzierventil
DE19727003A1 (de) * 1997-06-25 1999-01-07 Bosch Gmbh Robert Hydraulisch vorsteuerbares Druckventil
CN100380033C (zh) * 2003-08-19 2008-04-09 查谦 背压平衡式最小压力阀
US8870233B2 (en) 2007-07-03 2014-10-28 S.P.M. Flow Control, Inc. Swivel joint with uniform ball bearing requirements
CN101220881B (zh) * 2007-12-18 2010-06-23 刘梦真 断压装置
BE1018073A3 (nl) * 2008-03-27 2010-04-06 Atlas Copco Airpower Nv Minimum-drukventiel.
CN101476564B (zh) * 2009-01-20 2010-12-01 曹康年 安全诱导阀
EP2422120B1 (en) 2009-04-20 2016-05-25 S.P.M. Flow Control, Inc. Flowline flapper valve
CN101876388B (zh) * 2009-05-01 2014-05-07 丛洋 减压阀、压缩气体供气系统及制冷系统
SG176534A1 (en) 2009-06-03 2012-01-30 Weir Spm Inc Plug valve indicator
CN101839359B (zh) * 2009-11-18 2012-01-11 南京工程学院 变差溢流阀
KR101315063B1 (ko) * 2012-01-25 2013-10-08 주식회사 만도 제동감 향상을 위한 초기 유량 증대 시스템 및 이를 이용한 초기 유량 증대 방법
GB2520218A (en) 2012-08-16 2015-05-13 Spm Flow Control Inc Plug valve having preloaded seal segments
US9322243B2 (en) 2012-08-17 2016-04-26 S.P.M. Flow Control, Inc. Automated relief valve control system and method
US9273543B2 (en) 2012-08-17 2016-03-01 S.P.M. Flow Control, Inc. Automated relief valve control system and method
USD707332S1 (en) 2013-03-15 2014-06-17 S.P.M. Flow Control, Inc. Seal assembly
USD707797S1 (en) 2013-03-15 2014-06-24 S.P.M. Flow Control, Inc. Seal segment
CA2916699A1 (en) 2013-07-01 2015-01-08 S.P.M. Flow Control, Inc. Manifold assembly
RU2560651C2 (ru) * 2013-08-08 2015-08-20 Российская Федерация, от имени которой выступает Министерство обороны Российской Федерации Динамически устойчивый дренажно-предохранительный клапан
CN103644339A (zh) * 2013-11-25 2014-03-19 大连元利流体技术有限公司 一种耐污染先导式溢流阀
CN107850243A (zh) 2015-06-15 2018-03-27 S.P.M.流量控制股份有限公司 具有增加壁厚的全根部半径螺纹蝶型螺母
US10677365B2 (en) 2015-09-04 2020-06-09 S.P.M. Flow Control, Inc. Pressure relief valve assembly and methods
CN108105399B (zh) * 2016-11-25 2019-10-15 环境保护部核与辐射安全中心 用于安全阀的触发装置
CN106523750B (zh) * 2016-12-26 2018-11-23 苏州艾尔泰流体控制有限公司 一种泄压阀加速器及泄压结构

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB229147A (en) * 1924-05-03 1925-02-19 Babcock & Wilcox Ltd Improvements relating to safety valves
GB267978A (en) * 1926-03-20 1927-06-23 Forges Chantiers Mediterranee Safety valve
DE1078837B (de) * 1956-06-22 1960-03-31 Ludwig Rexroth Vorrichtung zum Einhalten eines festgelegten Solldrucks in hydraulischen Anlagen mit einem Vorregelventil und einem Hauptventil
GB901061A (en) * 1958-12-02 1962-07-11 Von Roll Ag Improvements in or relating to safety valves
US3083726A (en) * 1959-09-04 1963-04-02 Cameron Iron Works Inc High and low pressure responsive cut-off valve
FR1263250A (fr) * 1960-04-07 1961-06-09 Zenith Carburateur Soc Du Dispositif de sécurité pour installation de distribution de fluide sous pression, en vue notamment de la protection contre les ruptures de canalisations de carburant
GB1116474A (en) * 1966-06-14 1968-06-06 Exni Instttut Metallorezhuschi Safety valve
US3578019A (en) * 1968-01-04 1971-05-11 Marco Turolla Relief valve unit for hydraulic pressure lines
US3608580A (en) * 1969-12-18 1971-09-28 Kelsey Hayes Co Pilot-operated relief valve
US4075928A (en) * 1974-05-31 1978-02-28 Ross Operating Valve Company Safety valve for fluid systems
US4462420A (en) * 1982-06-14 1984-07-31 Teledyne Farris Engineering Safety pressure relief valve
US4586533A (en) * 1985-07-01 1986-05-06 Crosby Valve & Gage Company Non-flowing modulating pilot operated relief valve

Also Published As

Publication number Publication date
FR2613020A1 (fr) 1988-09-30
BR8801154A (pt) 1988-10-25
IT8847750A0 (it) 1988-03-18
AU1320088A (en) 1988-09-22
JPS63254278A (ja) 1988-10-20
CN88101490A (zh) 1988-10-26
GB2202612A (en) 1988-09-28
KR880011511A (ko) 1988-10-28
GB8804944D0 (en) 1988-03-30
IT1219508B (it) 1990-05-18

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19991102