| 摘要 |
PROBLEM TO BE SOLVED: To provide sprinkler fire extinguishing equipment capable of being used in cold district. SOLUTION: In this sprinkler fire extinguishing equipment comprising a piping connected to a water feed source on its basic end side and a sprinkler head mounted on the piping, a drain plug usually connecting the water feed source and the piping, and connecting the piping and an outflow port to the external in preventing the freezing, is mounted on the basic end side of the piping, and controlled to fill the piping with the water at an ordinary time, and to drain the water in the piping in preventing the freezing. A contact mechanism outputting an operation signal in detecting the fire, is mounted on the sprinkler head, and the water feed source and the piping are connected in receiving the operation signal from the contact mechanism. The piping is further provided with an intake valve.
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