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Nous recherchons des vannes pour les opérations de remplissage et de vidange d'un système d'extinction par brouillard d'eau. Les vannes doivent avoir au moins un interrupteur de fin de course pour la position "fermée" (adapté aux chemins de fer). Les vannes permettent de Vidange et remplissage d'eau fraîche.
Fresh water is filled in and emptied via the valves. The valves are to be arranged in a protected position beneath the wagon, any installation position must be possible due to the narrow available space. The fresh water tank is to be filled in less than 10 min. at a water pressure of 3 - 4 bar. The water is exclusively to be used for fire fighting. A railway certification EN 50155 is required for the valves. 3 valves per unit x 7 wagons x 9 trains are needed.
Solution:
Developed, tested and successfully used:
Pneumatic Y-type valve
063.005376 + G072.00522.010.009.010
with certificate according Federal Railway Standard BN 411 002
(DIN EN 50155 Pkt. 12.2;
extract 03/2008):
- climatic testing according DIN EN 60068-2-ff
- mechanical tests - tests for vibrations and shock acc. DIN EN 61373 (extract 04/2011) Categorie 1 Class