FR1089799A - Double check valve - Google Patents

Double check valve

Info

Publication number
FR1089799A
FR1089799A FR1089799DA FR1089799A FR 1089799 A FR1089799 A FR 1089799A FR 1089799D A FR1089799D A FR 1089799DA FR 1089799 A FR1089799 A FR 1089799A
Authority
FR
France
Prior art keywords
check valve
double check
double
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.)
Expired
Application number
Other languages
French (fr)
Inventor
Hardy
Antoine Van Elsen
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 filed Critical
Application granted granted Critical
Publication of FR1089799A publication Critical patent/FR1089799A/en
Expired legal-status Critical Current

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
    • F16K15/04—Check valves with guided rigid valve members shaped as balls
    • F16K15/042—Check valves with guided rigid valve members shaped as balls with a plurality of balls
    • 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
    • F16N—LUBRICATING
    • F16N23/00—Special adaptations of check valves

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR1089799D 1953-10-17 1953-12-22 Double check valve Expired FR1089799A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE1089799X 1953-10-17

Publications (1)

Publication Number Publication Date
FR1089799A true FR1089799A (en) 1955-03-22

Family

ID=3893261

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1089799D Expired FR1089799A (en) 1953-10-17 1953-12-22 Double check valve

Country Status (1)

Country Link
FR (1) FR1089799A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4259983A (en) * 1977-12-10 1981-04-07 Bernhard Kessel Cleanout fitting with lockable and removable check valve

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4259983A (en) * 1977-12-10 1981-04-07 Bernhard Kessel Cleanout fitting with lockable and removable check valve

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