| 摘要 |
<P>PROBLEM TO BE SOLVED: To solve the following problem: an inspector has to go to a place where an alarm valve is installed, so as to check pressure values displayed by a meter for displaying pressure in primary-side piping and a meter for displaying pressure in secondary-side piping, which are possessed by the alarm valve, when performing an inspection of fire extinguishing equipment. <P>SOLUTION: The alarm valve 19 includes: a primary-side pressure measurement part 16 which measures the pressure in the primary-side piping 22 on the fire-fighting water supply side of the alarm valve 19; a secondary-side pressure measurement part 17 which measures the pressure in the secondary-side piping 23 on the sprinkler head side thereof; and a pressure value transmission part 18 which transmits a primary-side pressure value signal output from the primary-side pressure measurement part 16 and a secondary-side pressure value signal output from the secondary-side pressure measurement part 17. <P>COPYRIGHT: (C)2013,JPO&INPIT |
