ATA460978A - BACKFLOW PREVENTORS, ESPECIALLY FOR TUBE DISCONNECTORS - Google Patents

BACKFLOW PREVENTORS, ESPECIALLY FOR TUBE DISCONNECTORS

Info

Publication number
ATA460978A
ATA460978A AT460978A AT460978A ATA460978A AT A460978 A ATA460978 A AT A460978A AT 460978 A AT460978 A AT 460978A AT 460978 A AT460978 A AT 460978A AT A460978 A ATA460978 A AT A460978A
Authority
AT
Austria
Prior art keywords
disconnectors
tube
backflow preventors
preventors
backflow
Prior art date
Application number
AT460978A
Other languages
German (de)
Other versions
AT367823B (en
Original Assignee
Waletzko Alfred Apparatebau
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 Alfred Apparatebau filed Critical Waletzko Alfred Apparatebau
Publication of ATA460978A publication Critical patent/ATA460978A/en
Application granted granted Critical
Publication of AT367823B publication Critical patent/AT367823B/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
    • F16K47/00—Means in valves for absorbing fluid energy
    • F16K47/02—Means in valves for absorbing fluid energy for preventing water-hammer or noise
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Check Valves (AREA)
AT0460978A 1977-09-03 1978-06-26 BACKFLOW PREVENTORS, ESPECIALLY FOR TUBE DISCONNECTORS AT367823B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19772739801 DE2739801A1 (en) 1977-09-03 1977-09-03 BACKFLOW PREVENTORS, IN PARTICULAR FOR PIPE CUTTERS

Publications (2)

Publication Number Publication Date
ATA460978A true ATA460978A (en) 1981-12-15
AT367823B AT367823B (en) 1982-08-10

Family

ID=6018067

Family Applications (1)

Application Number Title Priority Date Filing Date
AT0460978A AT367823B (en) 1977-09-03 1978-06-26 BACKFLOW PREVENTORS, ESPECIALLY FOR TUBE DISCONNECTORS

Country Status (5)

Country Link
AT (1) AT367823B (en)
CH (1) CH632572A5 (en)
DE (1) DE2739801A1 (en)
FR (1) FR2402138A1 (en)
NL (1) NL7806994A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4340085A (en) * 1979-05-01 1982-07-20 Crawford Ronald H Pressure regulating device with damping means for preventing valve chatter
FR2471536A1 (en) * 1979-12-17 1981-06-19 Pont A Mousson Closure spring non-return valve for water - uses axially slidable plug guided by perimeter rails and hub rail incorporated in cage
US4489752A (en) * 1982-09-28 1984-12-25 Compressor Valve Services, Inc. Guard guided multiple element flow configured poppet valve
DE3616589A1 (en) * 1986-05-16 1987-11-19 Baelz Juergen Controls Backflow-preventing device, in particular in drinking-water lines
JPH0534390Y2 (en) * 1988-03-24 1993-08-31
DE3815861A1 (en) * 1988-05-09 1989-11-23 Liebherr Hausgeraete VALVE-BASED DISTRIBUTION PIECE FOR CONNECTING TO A WALL OF A CAVITY TO BE FOAMED
DE102015211070A1 (en) * 2015-06-17 2016-12-22 Robert Bosch Gmbh Pressure relief valve

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1162029A (en) * 1956-04-24 1958-09-08 Aeroquip Corp Shell retainer specially applicable to spindly fluid pipelines
US3193247A (en) * 1962-02-28 1965-07-06 Rockwell Mfg Co Sequentially seated valve
GB1266306A (en) * 1969-04-22 1972-03-08
DE2628239A1 (en) * 1976-06-24 1978-01-05 Peter Dr Ing Daublebsky Fast acting non-return valve - has lightweight valve head and guide, suitable for nuclear reactors
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

Also Published As

Publication number Publication date
DE2739801A1 (en) 1979-03-15
FR2402138B1 (en) 1985-03-22
CH632572A5 (en) 1982-10-15
NL7806994A (en) 1979-03-06
FR2402138A1 (en) 1979-03-30
AT367823B (en) 1982-08-10

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee