| 摘要 |
PURPOSE: A sprinkler fixing unit is provided, which makes installation free regardless of a space since the volume is reduced. CONSTITUTION: A sprinkler fixing unit comprises: a mounting member(2) in which a ring projection piece is formed in the circumference side of the bottom of the body of the cylindrical shape and a first flange is formed; a connection pipe(4) which is inserted into the mounting member, is combined with the first flange, and is connected to the main tube in which water for extinguishing fire is provided; and a fastener combined with a coupling hole of the first and second flanges.
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