Dry pipe valve for fire protection sprinkler system

Details Dry pipe valve for fire protection sprinkler system Dry pipe valve for fire protection sprinkler system

F - Mech Eng,Light,Heat,Weapons

16

K

F16K 31/126 (2006.01) A62C 35/62 (2006.01) A62C 35/68 (2006.01)

Patent

CA 2412231

A differential-type dry pipe valve (10) for a fire protection sprinkler system has a ratio of effective air sealing area to service water sealing area that is smaller than a ratio of service water pressure to system air pressure at which the fire protection sprinkler system is actuated.

Vanne (10) de type différentiel pour installation d'extinction automatique à eau sous air en vue de la protection contre les incendies. Ladite vanne possède un rapport entre la zone efficace d'étanchéité à l'air et la zone d'étanchéité à l'eau de service qui est inférieur à un rapport entre la pressure d'eau de service et la pression d'air du système à laquelle l'installation d'extinction automatique est actionnée.

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