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ZA892960B - Backflow prevention valve - Google Patents

Backflow prevention valve

Info

Publication number
ZA892960B
ZA892960B ZA892960A ZA892960A ZA892960B ZA 892960 B ZA892960 B ZA 892960B ZA 892960 A ZA892960 A ZA 892960A ZA 892960 A ZA892960 A ZA 892960A ZA 892960 B ZA892960 B ZA 892960B
Authority
ZA
South Africa
Prior art keywords
backflow prevention
prevention valve
valve
backflow
prevention
Prior art date
Application number
ZA892960A
Inventor
David Dowley Beattie
Dowley Beattie David
Original Assignee
Burnetta Pty 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 Burnetta Pty Ltd filed Critical Burnetta Pty Ltd
Publication of ZA892960B publication Critical patent/ZA892960B/en

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
    • F16K15/00—Check valves
    • F16K15/02—Check valves with guided rigid valve members
    • F16K15/025—Check valves with guided rigid valve members the valve being loaded by a spring
    • F16K15/026—Check valves with guided rigid valve members the valve being loaded by a spring the valve member being a movable body around which the medium flows when the valve is open
    • 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
    • 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
    • E03C1/108—Devices for preventing contamination of drinking-water pipes, e.g. means for aerating self-closing flushing valves having an aerating valve
    • 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
    • F16K24/00—Devices, e.g. valves, for venting or aerating enclosures
    • F16K24/02—Devices, e.g. valves, for venting or aerating enclosures the enclosure being itself a valve, tap, or cock

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Mechanical Engineering (AREA)
  • Check Valves (AREA)
ZA892960A 1988-04-22 1989-04-21 Backflow prevention valve ZA892960B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AUPI786588 1988-04-22

Publications (1)

Publication Number Publication Date
ZA892960B true ZA892960B (en) 1989-12-27

Family

ID=3773039

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA892960A ZA892960B (en) 1988-04-22 1989-04-21 Backflow prevention valve

Country Status (4)

Country Link
EP (1) EP0375754A4 (en)
JP (1) JPH02504300A (en)
WO (1) WO1989010509A1 (en)
ZA (1) ZA892960B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19515282A1 (en) * 1995-04-26 1996-10-31 Seppelfricke Armaturen Gmbh & Pipeline and plant venting bore
US6695000B2 (en) * 2001-11-15 2004-02-24 Fisher Controls International Llc Control valve pressure bleed inspection port
JP5189399B2 (en) 2008-04-07 2013-04-24 国立大学法人信州大学 Check valve
JP5189403B2 (en) * 2008-05-08 2013-04-24 国立大学法人信州大学 Backflow prevention device

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3636968A (en) * 1970-10-05 1972-01-25 Watts Regulator Co Cross-connection control valve
US4420010A (en) * 1978-03-28 1983-12-13 Amtrol Inc. In-line back flow preventer
DE2948841A1 (en) * 1979-12-05 1981-06-11 Braukmann Armaturen AG, Rothrist BACKFLOW PREVENTION
EP0084754B2 (en) * 1982-01-26 1991-12-11 SOCLA SA Société dite Back flow preventer for hydraulic conduits
ATE27323T1 (en) * 1985-01-30 1987-06-15 Honeywell Braukmann Gmbh PIPE SEPARATOR.
US4658852A (en) * 1985-10-21 1987-04-21 Zvi Weingarten Backflow preventer apparatus for fluid flow lines

Also Published As

Publication number Publication date
EP0375754A4 (en) 1990-10-24
JPH02504300A (en) 1990-12-06
WO1989010509A1 (en) 1989-11-02
EP0375754A1 (en) 1990-07-04

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