GB8804944D0 - Stepped piston for balanced pilot operated safety relief valve - Google Patents
Stepped piston for balanced pilot operated safety relief valveInfo
- Publication number
- GB8804944D0 GB8804944D0 GB888804944A GB8804944A GB8804944D0 GB 8804944 D0 GB8804944 D0 GB 8804944D0 GB 888804944 A GB888804944 A GB 888804944A GB 8804944 A GB8804944 A GB 8804944A GB 8804944 D0 GB8804944 D0 GB 8804944D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- relief valve
- pilot operated
- stepped piston
- safety relief
- operated safety
- 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.)
- Withdrawn
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US2880387A | 1987-03-23 | 1987-03-23 |
Publications (2)
Publication Number | Publication Date |
---|---|
GB8804944D0 true GB8804944D0 (en) | 1988-03-30 |
GB2202612A GB2202612A (en) | 1988-09-28 |
Family
ID=21845522
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB08804944A Withdrawn GB2202612A (en) | 1987-03-23 | 1988-03-02 | Safety relief valve |
Country Status (9)
Country | Link |
---|---|
JP (1) | JPS63254278A (en) |
KR (1) | KR880011511A (en) |
CN (1) | CN88101490A (en) |
AU (1) | AU1320088A (en) |
BR (1) | BR8801154A (en) |
ES (1) | ES2006604A6 (en) |
FR (1) | FR2613020A1 (en) |
GB (1) | GB2202612A (en) |
IT (1) | IT1219508B (en) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
LU88384A1 (en) * | 1993-07-16 | 1995-02-01 | Hydrolux Sarl | 2-way cartridge valve as a seat valve |
CA2189613C (en) * | 1995-11-16 | 2004-07-20 | David William Birch | Pressure reduction valve |
DE19727003A1 (en) * | 1997-06-25 | 1999-01-07 | Bosch Gmbh Robert | Hydraulically pilot operated pressure valve |
CN100380033C (en) * | 2003-08-19 | 2008-04-09 | 查谦 | Back-pressure balancing minimum pressure valves |
US8870233B2 (en) | 2007-07-03 | 2014-10-28 | S.P.M. Flow Control, Inc. | Swivel joint with uniform ball bearing requirements |
CN101220881B (en) * | 2007-12-18 | 2010-06-23 | 刘梦真 | Pressure breaking device |
BE1018073A3 (en) * | 2008-03-27 | 2010-04-06 | Atlas Copco Airpower Nv | MINIMUM PRESSURE VALVE. |
CN101476564B (en) * | 2009-01-20 | 2010-12-01 | 曹康年 | Security induction valve |
WO2010123889A2 (en) | 2009-04-20 | 2010-10-28 | Weir Spm, Inc. | Flowline flapper valve |
CN101876388B (en) * | 2009-05-01 | 2014-05-07 | 丛洋 | Pressure-reducing valve, compressed gas supply system and cooling system |
WO2010141651A2 (en) | 2009-06-03 | 2010-12-09 | Weir Spm, Inc. | Plug valve indicator |
CN101839359B (en) * | 2009-11-18 | 2012-01-11 | 南京工程学院 | Variable-difference relief valve |
KR101315063B1 (en) * | 2012-01-25 | 2013-10-08 | 주식회사 만도 | Pre-fill system to improve brake feeling and method for flux increase beginning thereof |
WO2014028498A2 (en) | 2012-08-16 | 2014-02-20 | S.P.M. 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 |
WO2015002863A1 (en) | 2013-07-01 | 2015-01-08 | S.P.M. Flow Control, Inc. | Manifold assembly |
RU2560651C2 (en) * | 2013-08-08 | 2015-08-20 | Российская Федерация, от имени которой выступает Министерство обороны Российской Федерации | Dynamically stable drain safety valve |
CN103644339A (en) * | 2013-11-25 | 2014-03-19 | 大连元利流体技术有限公司 | Pollution resistant pilot operated relief valve |
WO2016205208A1 (en) | 2015-06-15 | 2016-12-22 | S.P.M. Flow Control, Inc. | Full-root-radius-threaded wing nut having increased wall thickness |
US10677365B2 (en) | 2015-09-04 | 2020-06-09 | S.P.M. Flow Control, Inc. | Pressure relief valve assembly and methods |
CN108105399B (en) * | 2016-11-25 | 2019-10-15 | 环境保护部核与辐射安全中心 | Trigger device for safety valve |
CN106523750B (en) * | 2016-12-26 | 2018-11-23 | 苏州艾尔泰流体控制有限公司 | A kind of relief valve accelerator and pressure relief |
Family Cites Families (12)
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 (en) * | 1956-06-22 | 1960-03-31 | Ludwig Rexroth | Device for maintaining a specified target pressure in hydraulic systems with a pre-control valve and a main valve |
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 (en) * | 1960-04-07 | 1961-06-09 | Zenith Carburateur Soc Du | Safety device for pressurized fluid distribution installation, with a view in particular to protection against ruptured fuel lines |
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 |
-
1988
- 1988-03-01 FR FR8802551A patent/FR2613020A1/en active Pending
- 1988-03-02 GB GB08804944A patent/GB2202612A/en not_active Withdrawn
- 1988-03-14 BR BR8801154A patent/BR8801154A/en unknown
- 1988-03-17 AU AU13200/88A patent/AU1320088A/en not_active Abandoned
- 1988-03-18 IT IT47750/88A patent/IT1219508B/en active
- 1988-03-18 CN CN198888101490A patent/CN88101490A/en active Pending
- 1988-03-22 ES ES8800869A patent/ES2006604A6/en not_active Expired
- 1988-03-23 JP JP63067469A patent/JPS63254278A/en active Pending
- 1988-03-23 KR KR1019880003082A patent/KR880011511A/en not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
JPS63254278A (en) | 1988-10-20 |
ES2006604A6 (en) | 1989-05-01 |
IT8847750A0 (en) | 1988-03-18 |
BR8801154A (en) | 1988-10-25 |
FR2613020A1 (en) | 1988-09-30 |
KR880011511A (en) | 1988-10-28 |
GB2202612A (en) | 1988-09-28 |
CN88101490A (en) | 1988-10-26 |
IT1219508B (en) | 1990-05-18 |
AU1320088A (en) | 1988-09-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |