| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an aqueduct connection type sprinkler device capable of being installed without removing a ceiling of a building, preventing city water in sprinkler pipings from stagnating. <P>SOLUTION: The aqueduct connection type sprinkler device 30 in which a sprinkler body jetting city water is installed in the upper side of the ceiling has a stagnating water-preventing unit for preferentially flowing the city water through the sprinkler piping for preventing stagnating water generated in the long sprinkler piping of a plurality of sprinkler piping. <P>COPYRIGHT: (C)2013,JPO&INPIT |
