| 摘要 |
PROBLEM TO BE SOLVED: To provide a wet sprinkler system in which a water pump is not started and water loss is suppressed, even when the improper operation of a sprinkler head or a crack or the like on primary side pipe or secondary side pipe, in the conventional simple wet sprinkler system.SOLUTION: A wet sprinkler system includes: an individually operated sprinkler head 12; water supply means (14, 16) for supplying water to a sprinkler head; primary side pipe 22 connected to the water supply means; secondary pipe 24 communicatively branched from the primary side pipe and connected to the sprinkler head, and normally filled with water; a pressure sensor 34 connected to the primary side pipe to detect water pressure therein and transmitting a water supply signal for the purpose of turning the water supply means to a water supply state when the water pressure is equal to or below a prescribed pressure; a fire sensing means 40 sensing a fire state to transmit a fire signal; and a controller 33 turning the water supply means to a water supply state when both signals of the water supply signal MS and the fire signal FS are recognized. |
