Method and device for controlling a fire-extinguishing...

A - Human Necessities – 62 – C

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A62C 35/68 (2006.01) G05D 16/18 (2006.01)

Patent

CA 2677584

The invention relates to a fire-extinguishing system of the high-pressure gas type, in which the gaseous extinguishing agent is stored under high pressure in at least one high-pressure gas bottle (1). The bottle valve operates, with interposition of a container attachment for the extinguishing gas, as a pressure-controlled, reducing and self-regulating control valve (3). By means of a predetermined control pressure which corresponds to the pressure in the extinguishing line system (2), the pressure of the extinguishing gas is reduced from, for example, 150 to 300 bar within the control valve to, for example, 60 bar. This makes it possible to dispense with all the high-pressure components used to date between the bottle valve and the extinguishing line system. Furthermore, a computational software is no longer required.

L'invention concerne un système d'extinction d'incendie à haute pression de gaz dans lequel l'agent d'extinction gazeux est stocké sous haute pression dans au moins une bouteille à gaz haute pression (1). La valve de la bouteille fonctionne comme une valve de commande (3) pressostatique réductrice autorégulatrice, un embout de contenant pour le gaz d'extinction étant placé entre la valve et la bouteille. La pression du gaz d'extinction est réduite par exemple d'une valeur de 150 à 300 bar à une valeur de 60 bar à l'intérieur de la valve de commande (3) au moyen d'une pression de régulation prédéterminée correspondant à la pression dans le système de conduite d'extinction (2). Cette configuration permet de supprimer tous les composants haute pression utilisés auparavant entre la valve de la bouteille et le système de conduite d'extinction. L'emploi d'un logiciel de calcul n'est également plus nécessaire.

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