DE3868925D1 - Rueckflussverhinderer, insbesondere zum einbau in trinkwasserleitungen. - Google Patents

Rueckflussverhinderer, insbesondere zum einbau in trinkwasserleitungen.

Info

Publication number
DE3868925D1
DE3868925D1 DE8989900218T DE3868925T DE3868925D1 DE 3868925 D1 DE3868925 D1 DE 3868925D1 DE 8989900218 T DE8989900218 T DE 8989900218T DE 3868925 T DE3868925 T DE 3868925T DE 3868925 D1 DE3868925 D1 DE 3868925D1
Authority
DE
Germany
Prior art keywords
inlet
installation
drinking water
water pipes
valves
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.)
Expired - Fee Related
Application number
DE8989900218T
Other languages
English (en)
Inventor
Walter Evers
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.)
WALETZKO ARMATUREN GmbH
Original Assignee
WALETZKO ARMATUREN GmbH
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 WALETZKO ARMATUREN GmbH filed Critical WALETZKO ARMATUREN GmbH
Priority to DE8989900218T priority Critical patent/DE3868925D1/de
Application granted granted Critical
Publication of DE3868925D1 publication Critical patent/DE3868925D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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

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)
  • Safety Valves (AREA)
  • Fluid-Driven Valves (AREA)
DE8989900218T 1987-12-12 1988-11-30 Rueckflussverhinderer, insbesondere zum einbau in trinkwasserleitungen. Expired - Fee Related DE3868925D1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE8989900218T DE3868925D1 (de) 1987-12-12 1988-11-30 Rueckflussverhinderer, insbesondere zum einbau in trinkwasserleitungen.

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19873742207 DE3742207A1 (de) 1987-12-12 1987-12-12 Rueckflussverhinderer, insbesondere zum einbau in trinkwasserleitungen
DE8989900218T DE3868925D1 (de) 1987-12-12 1988-11-30 Rueckflussverhinderer, insbesondere zum einbau in trinkwasserleitungen.
PCT/EP1988/001087 WO1989005382A1 (fr) 1987-12-12 1988-11-30 Clapet de non-retour, notamment pour conduits d'eau potable

Publications (1)

Publication Number Publication Date
DE3868925D1 true DE3868925D1 (de) 1992-04-09

Family

ID=6342484

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19873742207 Withdrawn DE3742207A1 (de) 1987-12-12 1987-12-12 Rueckflussverhinderer, insbesondere zum einbau in trinkwasserleitungen
DE8989900218T Expired - Fee Related DE3868925D1 (de) 1987-12-12 1988-11-30 Rueckflussverhinderer, insbesondere zum einbau in trinkwasserleitungen.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE19873742207 Withdrawn DE3742207A1 (de) 1987-12-12 1987-12-12 Rueckflussverhinderer, insbesondere zum einbau in trinkwasserleitungen

Country Status (6)

Country Link
EP (2) EP0353266B1 (de)
DE (2) DE3742207A1 (de)
DK (1) DK396489A (de)
ES (1) ES2030596T3 (de)
FI (1) FI893642A0 (de)
WO (1) WO1989005382A1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4204386C2 (de) * 1992-02-14 1994-01-20 Honeywell Braukmann Gmbh Systemtrenner
DE4217334C2 (de) * 1992-05-26 1994-06-09 Heinrich W Kiesewetter Systemtrennungsarmatur
ES2178915B1 (es) * 2000-03-07 2004-04-16 Plasticos Mondragon, S.A. Valvula hidraulica de membrana perfeccionada, para regulacion del caudal de fluidos.
CN102486237A (zh) * 2010-12-01 2012-06-06 刘永 内置过滤网和无须外置配管的倒流防止器
CN102322541B (zh) * 2011-09-02 2013-08-28 陈银周 低阻力倒流防止器

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2503424A (en) * 1945-01-15 1950-04-11 Leonard L Snyder Backflow preventer
US3083723A (en) * 1959-11-04 1963-04-02 Paul J Duchin Vacuum breaker
IL45802A (en) * 1973-10-26 1977-05-31 Griswold Controls Check valve useful in backflow prevention apparatus
DE2650934A1 (de) * 1976-11-08 1978-05-11 Waletzko Alfred Apparatebau Rueckflussverhinderer, insbesondere fuer rohrtrenner
DE2930819C2 (de) * 1979-07-30 1985-04-11 Amtrol Inc., West Warwick, R.I. Vorrichtung zur Verhinderung des Rückströmens von Wasser in einer Versorgungsleitung
DE3537484C1 (en) * 1985-10-22 1987-03-05 Baelz Juergen Controls Shut-off and aeration device, in particular for drinking-water systems

Also Published As

Publication number Publication date
DE3742207A1 (de) 1989-06-22
DK396489D0 (da) 1989-08-11
EP0353266B1 (de) 1992-03-04
WO1989005382A1 (fr) 1989-06-15
ES2030596T3 (es) 1992-11-01
DK396489A (da) 1989-08-11
EP0320700A1 (de) 1989-06-21
EP0353266A1 (de) 1990-02-07
FI893642A0 (fi) 1989-08-01

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee