SPRINKLER TYPE FIRE EXTINGUISHING EQUIPMENT

摘要

PROBLEM TO BE SOLVED: To obtain sprinkler type fire extinguishing equipment capable of saving costs by using a daily city water line and a water line for fire-fighting in common in an apartment house such as a multistoried condominium. SOLUTION: The sprinkler type fire extinguishing equipment has a stop valve 23 closed normally formed on the side of the base end of a secondary side piping connected with a sprinkler head 17, and the primary side of the stop valve 23 is connected to a water source 1. A check valve 25 is provided on the secondary side of the stop valve 23, and the secondary side of the check valve 25 of the secondary side piping is filled with water without filling a space between the check valve 25 and the stop valve 23 with water.