Backflow preventer assembly

E - Fixed Constructions – 03 – C

Patent

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Details

E03C 1/10 (2006.01) F16K 15/06 (2006.01)

Patent

CA 2394441

A backflow preventer assembly includes a housing having a first end and a second end, a first mounting assembly configured to removably secure a first check valve at a region of first end of the housing, and a second mounting assembly configured to removably secure a second check valve at a region of the second end of the housing. The housing includes a wall having an inner surface defining a through bore extending between the first and second ends. Each mounting assembly has a wall with an inner surface defining a through bore in fluid communication with the housing through bore. A first coupling secures the first mounting assembly to the housing, and a second coupling secures the second mounting assembly to the housing.

La présente invention concerne un ensemble dispositif anti-refoulement qui comprend un boîtier pourvu d'une première et d'une seconde extrémité, d'une première plaque de fixation agencée de façon à fixer de manière démontable un premier clapet au niveau de la première extrémité du boîtier, et d'une seconde plaque de fixation agencée de façon fixer de manière démontable un second clapet au niveau de la seconde extrémité du boîtier. Ce boîtier comprend une cloison qui possède une surface intérieure définissant un alésage situé entre la première et la seconde extrémité. Chaque plaque de fixation possède une cloison avec une surface intérieure définissant un alésage en communication fluidique avec l'alésage du boîtier. Un premier couplage relie la première plaque de fixation au boîtier, et un second couplage relie la seconde plaque de fixation au boîtier.

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