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AU6130790A - Dual check valve - Google Patents

Dual check valve

Info

Publication number
AU6130790A
AU6130790A AU61307/90A AU6130790A AU6130790A AU 6130790 A AU6130790 A AU 6130790A AU 61307/90 A AU61307/90 A AU 61307/90A AU 6130790 A AU6130790 A AU 6130790A AU 6130790 A AU6130790 A AU 6130790A
Authority
AU
Australia
Prior art keywords
check valve
dual check
dual
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.)
Abandoned
Application number
AU61307/90A
Inventor
Rand H. Ackroyd
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.)
Watts Regulator Co
Original Assignee
Watts Regulator Co
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 Watts Regulator Co filed Critical Watts Regulator Co
Publication of AU6130790A publication Critical patent/AU6130790A/en
Abandoned legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Check Valves (AREA)
  • Domestic Plumbing Installations (AREA)
AU61307/90A 1989-09-19 1990-08-24 Dual check valve Abandoned AU6130790A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US40957089A 1989-09-19 1989-09-19
US409570 1989-09-19

Publications (1)

Publication Number Publication Date
AU6130790A true AU6130790A (en) 1991-04-11

Family

ID=23621078

Family Applications (1)

Application Number Title Priority Date Filing Date
AU61307/90A Abandoned AU6130790A (en) 1989-09-19 1990-08-24 Dual check valve

Country Status (3)

Country Link
EP (1) EP0418580A1 (en)
JP (1) JPH03129186A (en)
AU (1) AU6130790A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3185908B2 (en) * 1994-06-14 2001-07-11 ノーリツ鋼機株式会社 Photo printing equipment
JP5537108B2 (en) * 2009-09-28 2014-07-02 株式会社テイエルブイ Check valve and steam supply system using the same
CN213171279U (en) * 2020-09-27 2021-05-11 富阳通力机械制造有限公司 Jack with double high-pressure structures

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4172469A (en) * 1978-02-06 1979-10-30 Mcdonnell Douglas Corporation Soft seat check valve
US4284097A (en) * 1978-03-28 1981-08-18 Amtrol Inc. In line back flow preventer
AT366803B (en) * 1979-06-15 1982-05-10 C H Zikesch Ges Mit Beschraenk SHUT-OFF AND CONTROL VALVE

Also Published As

Publication number Publication date
JPH03129186A (en) 1991-06-03
EP0418580A1 (en) 1991-03-27

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