GB8912236D0 - A pipeline check valve - Google Patents

A pipeline check valve

Info

Publication number
GB8912236D0
GB8912236D0 GB898912236A GB8912236A GB8912236D0 GB 8912236 D0 GB8912236 D0 GB 8912236D0 GB 898912236 A GB898912236 A GB 898912236A GB 8912236 A GB8912236 A GB 8912236A GB 8912236 D0 GB8912236 D0 GB 8912236D0
Authority
GB
United Kingdom
Prior art keywords
check valve
pipeline check
pipeline
valve
check
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Withdrawn
Application number
GB898912236A
Other versions
GB2222230A (en
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.)
SCORE UK Ltd
Original Assignee
SCORE UK Ltd
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
Priority claimed from GB888819967A external-priority patent/GB8819967D0/en
Priority claimed from GB888820509A external-priority patent/GB8820509D0/en
Priority claimed from GB888824814A external-priority patent/GB8824814D0/en
Application filed by SCORE UK Ltd filed Critical SCORE UK Ltd
Publication of GB8912236D0 publication Critical patent/GB8912236D0/en
Publication of GB2222230A publication Critical patent/GB2222230A/en
Withdrawn legal-status Critical Current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
    • F16K17/20—Excess-flow valves
    • F16K17/22—Excess-flow valves actuated by the difference of pressure between two places in the flow line
    • F16K17/24—Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member
    • 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
    • F16K15/00—Check valves
    • F16K15/02—Check valves with guided rigid valve members
    • F16K15/04—Check valves with guided rigid valve members shaped as balls
GB8912236A 1988-08-23 1989-05-26 A pipeline check valve Withdrawn GB2222230A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB888819967A GB8819967D0 (en) 1988-08-23 1988-08-23 Pipeline check valve
GB888820509A GB8820509D0 (en) 1988-08-30 1988-08-30 Pipeline check valve
GB888824814A GB8824814D0 (en) 1988-10-22 1988-10-22 Pipeline check valve

Publications (2)

Publication Number Publication Date
GB8912236D0 true GB8912236D0 (en) 1989-07-12
GB2222230A GB2222230A (en) 1990-02-28

Family

ID=27264038

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8912236A Withdrawn GB2222230A (en) 1988-08-23 1989-05-26 A pipeline check valve

Country Status (1)

Country Link
GB (1) GB2222230A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105156725A (en) * 2015-10-08 2015-12-16 江苏神通阀门股份有限公司 Check valve

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2102168C (en) * 1993-11-01 1995-08-15 Jean-Marc Lamoureux Air outlet for household, commercial and industrial applicances
DE29708655U1 (en) * 1997-05-15 1997-07-10 Xomox Int Gmbh check valve
GB2344635B (en) * 1998-12-09 2003-04-30 Kitz Corp Ball check valve and pumping apparatus using the check valve
PL195924B1 (en) 2000-10-10 2007-11-30 Przed Inzynierii Srodowiska Ek Check valve with a spherical closing component and method of flushing such valve
DE10239622C1 (en) * 2002-08-29 2003-11-06 Niklas-Simon Graul Back-flow prevention valve, for drainage pipe, uses floating ball lifted for closing valve seat adjacent bottom end of drainage pipe
DE102004045687A1 (en) * 2004-09-17 2006-03-23 Almatec Maschinenbau Gmbh Diaphragm pump for transporting liquids
US8256444B2 (en) * 2009-11-06 2012-09-04 GM Global Technology Operations LLC Check ball valve assembly with check ball guide
CN103727272A (en) * 2014-01-21 2014-04-16 抚顺新钢铁有限责任公司 Novel energy-saving check valve
BG67081B1 (en) * 2016-09-26 2020-06-15 Александрова Стефанова Елена Self-closing non-return valve for full stopping of return air flow through ventilation devices and equipment
CN110056696B (en) * 2019-04-15 2021-02-23 湖北省天然气发展有限公司 Slide way type rolling ball check valve
CN112113010B (en) * 2020-09-18 2022-05-03 浙江中南铜业有限公司 Flap type ball sealing check valve and use method thereof
CN112096930B (en) * 2020-09-18 2022-11-25 浙江冠霖阀门有限公司 Straight-flow ball sealing check valve and using method thereof
CN112228598A (en) * 2020-09-28 2021-01-15 陈艳 Ball check valve capable of being opened and closed quickly
CN112128436A (en) * 2020-09-28 2020-12-25 金博 Spherical check valve that opens and shuts efficiently
CN112128434A (en) * 2020-09-28 2020-12-25 杨永建 Ball-type check valve with sensitive reaction
CN112283414A (en) * 2020-09-28 2021-01-29 范甬挺 Negative pressure type spherical check valve

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB638728A (en) * 1948-03-24 1950-06-14 Midland Ind Computing Improvements in and relating to check or non-return valves
US3590850A (en) * 1968-12-16 1971-07-06 Grise Frederick Gerard J Tank precharge pressure check valve
US4040441A (en) * 1973-01-09 1977-08-09 Brown Cicero C Check valve assembly
US4046164A (en) * 1975-10-14 1977-09-06 Rockwell International Corporation Lift check valve with dashpot
US4069840A (en) * 1976-01-30 1978-01-24 Brown Cicero C Ball check valve
US4244395A (en) * 1979-02-09 1981-01-13 Griswold Controls Check valve assembly
GB8426573D0 (en) * 1984-10-19 1984-11-28 Gkn Technology Ltd Valve
US4667696A (en) * 1985-04-04 1987-05-26 Rensburg Gert N J Van Flow valve

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105156725A (en) * 2015-10-08 2015-12-16 江苏神通阀门股份有限公司 Check valve

Also Published As

Publication number Publication date
GB2222230A (en) 1990-02-28

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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)