FI893642A0 - BAKSLAGSVENTIL, SPECIELLT FOER INSTALLATION AV DRICKSVATTENROER. - Google Patents

BAKSLAGSVENTIL, SPECIELLT FOER INSTALLATION AV DRICKSVATTENROER.

Info

Publication number
FI893642A0
FI893642A0 FI893642A FI893642A FI893642A0 FI 893642 A0 FI893642 A0 FI 893642A0 FI 893642 A FI893642 A FI 893642A FI 893642 A FI893642 A FI 893642A FI 893642 A0 FI893642 A0 FI 893642A0
Authority
FI
Finland
Prior art keywords
dricksvattenroer
bakslagsventil
installation
speciellt foer
speciellt
Prior art date
Application number
FI893642A
Other languages
Finnish (fi)
Inventor
Walter Evers
Original Assignee
Lang Apparatebau 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 Lang Apparatebau Gmbh filed Critical Lang Apparatebau Gmbh
Publication of FI893642A0 publication Critical patent/FI893642A0/en

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)
  • Fluid-Driven Valves (AREA)
  • Safety Valves (AREA)
FI893642A 1987-12-12 1989-08-01 BAKSLAGSVENTIL, SPECIELLT FOER INSTALLATION AV DRICKSVATTENROER. FI893642A0 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19873742207 DE3742207A1 (en) 1987-12-12 1987-12-12 BACKFLOW PREVENTORS, ESPECIALLY FOR INSTALLATION IN DRINKING WATER PIPES
PCT/EP1988/001087 WO1989005382A1 (en) 1987-12-12 1988-11-30 Nonreturn valve, in particular for incorporation in drinking water pipes

Publications (1)

Publication Number Publication Date
FI893642A0 true FI893642A0 (en) 1989-08-01

Family

ID=6342484

Family Applications (1)

Application Number Title Priority Date Filing Date
FI893642A FI893642A0 (en) 1987-12-12 1989-08-01 BAKSLAGSVENTIL, SPECIELLT FOER INSTALLATION AV DRICKSVATTENROER.

Country Status (6)

Country Link
EP (2) EP0353266B1 (en)
DE (2) DE3742207A1 (en)
DK (1) DK396489D0 (en)
ES (1) ES2030596T3 (en)
FI (1) FI893642A0 (en)
WO (1) WO1989005382A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4204386C2 (en) * 1992-02-14 1994-01-20 Honeywell Braukmann Gmbh System separator
DE4217334C2 (en) * 1992-05-26 1994-06-09 Heinrich W Kiesewetter System separation valve
ES2178915B1 (en) 2000-03-07 2004-04-16 Plasticos Mondragon, S.A. PERFECTED MEMBRANE HYDRAULIC VALVE, FOR FLUID FLOW REGULATION.
CN102486237A (en) * 2010-12-01 2012-06-06 刘永 Backflow preventer with built-in filter screen and no external piping
CN102322541B (en) * 2011-09-02 2013-08-28 陈银周 Low-resistance backflow preventer

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 (en) * 1976-11-08 1978-05-11 Waletzko Alfred Apparatebau Back flow preventer between drinking and washing water pipework - has guide rings fitted between valve and guide rod
DE2930819C2 (en) * 1979-07-30 1985-04-11 Amtrol Inc., West Warwick, R.I. Device for preventing the backflow of water in a supply line
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
EP0320700A1 (en) 1989-06-21
WO1989005382A1 (en) 1989-06-15
DK396489A (en) 1989-08-11
EP0353266A1 (en) 1990-02-07
ES2030596T3 (en) 1992-11-01
DE3868925D1 (en) 1992-04-09
EP0353266B1 (en) 1992-03-04
DE3742207A1 (en) 1989-06-22
DK396489D0 (en) 1989-08-11

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Legal Events

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Owner name: WALETZKO ARMATUREN GMBH