GB9007913D0 - Improvements relating to the prevention of contamination of fluid or water supplies by backsiphonage or backflow - Google Patents

Improvements relating to the prevention of contamination of fluid or water supplies by backsiphonage or backflow

Info

Publication number
GB9007913D0
GB9007913D0 GB909007913A GB9007913A GB9007913D0 GB 9007913 D0 GB9007913 D0 GB 9007913D0 GB 909007913 A GB909007913 A GB 909007913A GB 9007913 A GB9007913 A GB 9007913A GB 9007913 D0 GB9007913 D0 GB 9007913D0
Authority
GB
United Kingdom
Prior art keywords
backsiphonage
backflow
contamination
prevention
fluid
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Withdrawn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
GB909007913A
Other versions
GB2243667A (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.)
BAILEY ROGER J
Original Assignee
BAILEY ROGER J
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 BAILEY ROGER J filed Critical BAILEY ROGER J
Priority to GB9007913A priority Critical patent/GB2243667A/en
Publication of GB9007913D0 publication Critical patent/GB9007913D0/en
Publication of GB2243667A publication Critical patent/GB2243667A/en
Withdrawn legal-status Critical Current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
    • F16K5/00Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
    • F16K5/06Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
    • F16K5/0605Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor with particular plug arrangements, e.g. particular shape or built-in means
    • 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
    • F16K15/00Check valves
    • F16K15/18Check valves with actuating mechanism; Combined check valves and actuated valves
    • F16K15/184Combined check valves and actuated valves
    • F16K15/1848Check valves combined with valves having a rotating tap or cock

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Check Valves (AREA)
  • Taps Or Cocks (AREA)
GB9007913A 1990-04-06 1990-04-06 Reversible check valve Withdrawn GB2243667A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9007913A GB2243667A (en) 1990-04-06 1990-04-06 Reversible check valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9007913A GB2243667A (en) 1990-04-06 1990-04-06 Reversible check valve

Publications (2)

Publication Number Publication Date
GB9007913D0 true GB9007913D0 (en) 1990-06-06
GB2243667A GB2243667A (en) 1991-11-06

Family

ID=10674071

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9007913A Withdrawn GB2243667A (en) 1990-04-06 1990-04-06 Reversible check valve

Country Status (1)

Country Link
GB (1) GB2243667A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20000071966A (en) * 2000-05-16 2000-12-05 곽원복 Valve union with water saving function
AU2012100486B4 (en) * 2006-05-08 2012-07-19 Australian Valve Group Pty Ltd Fluid Flow Control Device
CN104358899B (en) * 2014-11-25 2017-07-28 天津百利展发集团有限公司 A kind of water filling check-valves capable of reversing
CN108930823B (en) * 2018-09-28 2020-12-25 苏州丹顿机电有限公司 Swing check valve

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE524716A (en) * 1952-12-31 1900-01-01
BE657275A (en) * 1963-12-26
GB2203819A (en) * 1987-04-10 1988-10-26 Richard Alder Valve

Also Published As

Publication number Publication date
GB2243667A (en) 1991-11-06

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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)