GB2579363B - Double check valve arrangement - Google Patents

Double check valve arrangement Download PDF

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Publication number
GB2579363B
GB2579363B GB1819387.0A GB201819387A GB2579363B GB 2579363 B GB2579363 B GB 2579363B GB 201819387 A GB201819387 A GB 201819387A GB 2579363 B GB2579363 B GB 2579363B
Authority
GB
United Kingdom
Prior art keywords
check valve
valve arrangement
double check
double
arrangement
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.)
Active
Application number
GB1819387.0A
Other versions
GB201819387D0 (en
GB2579363A (en
Inventor
Hanson Allan
David Illingworth Paul
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.)
MERCANTILE VENTURES Ltd
Original Assignee
MERCANTILE VENTURES 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
Application filed by MERCANTILE VENTURES Ltd filed Critical MERCANTILE VENTURES Ltd
Priority to GB1819387.0A priority Critical patent/GB2579363B/en
Publication of GB201819387D0 publication Critical patent/GB201819387D0/en
Publication of GB2579363A publication Critical patent/GB2579363A/en
Application granted granted Critical
Publication of GB2579363B publication Critical patent/GB2579363B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D1/00—Water flushing devices with cisterns ; Setting up a range of flushing devices or water-closets; Combinations of several flushing devices
    • E03D1/30—Valves for high or low level cisterns; Their arrangement ; Flushing mechanisms in the cistern, optionally with provisions for a pre-or a post- flushing and for cutting off the flushing mechanism in case of leakage
    • E03D1/32—Arrangement of inlet valves
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/02—Plumbing installations for fresh water
    • E03C1/10—Devices for preventing contamination of drinking-water pipes, e.g. means for aerating self-closing flushing valves
    • E03C1/106—Devices for preventing contamination of drinking-water pipes, e.g. means for aerating self-closing flushing valves using two or more check 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
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L37/00—Couplings of the quick-acting type
    • F16L37/28—Couplings of the quick-acting type with fluid cut-off means
    • F16L37/38—Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in only one of the two pipe-end fittings
    • F16L37/40—Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in only one of the two pipe-end fittings with a lift valve being opened automatically when the coupling is applied
    • F16L37/42—Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in only one of the two pipe-end fittings with a lift valve being opened automatically when the coupling is applied the valve having an axial bore communicating with lateral apertures
    • 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
    • F16K21/00—Fluid-delivery valves, e.g. self-closing valves
    • F16K21/04—Self-closing valves, i.e. closing automatically after operation
    • 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
    • F16K31/00—Actuating devices; Operating means; Releasing devices
GB1819387.0A 2018-11-28 2018-11-28 Double check valve arrangement Active GB2579363B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1819387.0A GB2579363B (en) 2018-11-28 2018-11-28 Double check valve arrangement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1819387.0A GB2579363B (en) 2018-11-28 2018-11-28 Double check valve arrangement

Publications (3)

Publication Number Publication Date
GB201819387D0 GB201819387D0 (en) 2019-01-09
GB2579363A GB2579363A (en) 2020-06-24
GB2579363B true GB2579363B (en) 2023-03-29

Family

ID=65024402

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1819387.0A Active GB2579363B (en) 2018-11-28 2018-11-28 Double check valve arrangement

Country Status (1)

Country Link
GB (1) GB2579363B (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3538950A (en) * 1969-04-16 1970-11-10 Locking Devices Inc Quick connect lugged coupling
WO2004081302A1 (en) * 2003-03-14 2004-09-23 Alfred Kärcher Gmbh & Co. Kg Device for preventing backflow
US20040238777A1 (en) * 2003-06-02 2004-12-02 Shih-Sheng Yang Instantly-released joint for water conduits
CN102864828A (en) * 2012-07-27 2013-01-09 厦门瑞尔特卫浴科技股份有限公司 Quick disassembly mechanism for water inlet valve
US20160348347A1 (en) * 2015-05-27 2016-12-01 Flow Fitting, LLC Universal Valve Adaptor for toilet fill-valves

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3538950A (en) * 1969-04-16 1970-11-10 Locking Devices Inc Quick connect lugged coupling
WO2004081302A1 (en) * 2003-03-14 2004-09-23 Alfred Kärcher Gmbh & Co. Kg Device for preventing backflow
US20040238777A1 (en) * 2003-06-02 2004-12-02 Shih-Sheng Yang Instantly-released joint for water conduits
CN102864828A (en) * 2012-07-27 2013-01-09 厦门瑞尔特卫浴科技股份有限公司 Quick disassembly mechanism for water inlet valve
US20160348347A1 (en) * 2015-05-27 2016-12-01 Flow Fitting, LLC Universal Valve Adaptor for toilet fill-valves

Also Published As

Publication number Publication date
GB201819387D0 (en) 2019-01-09
GB2579363A (en) 2020-06-24

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