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Bsdv-50-Flange type deluge valve, is equip on foam fire fighting device of the fixed wet pipe. It constitute with lots foam head and water-fog head as a meit area. When the cubhood of time, the deluge valve open the emit area by force of the perceptive sprinkler breakage. Then send out the foam and water, it called emit together-deluge. Applicable for the open type sprinkler, fog and foam system controller. When the fire occur, start up the Electrioric magnetism valve or perceptive sprinkler or just by hand to open the emit area control by the deluge valve. It can cooperate with alarm valve and telecom signal to understand the fire location.
1. Open the manual device after finish installing. And open the water provide of the main dry pipe SLOWLY, (Avoid deluge) for sure the atmosphere is sent out to avoid loss pressure.
2. As the flow is unhindered then close the manual switch until the water is drain off.
3. The deluge valve equip with pressure gauge easy to check and maintenance.