FIRE-FIGHTING SMOKE DAMPER

摘要

PURPOSE: A fire-fighting smoke damper is provided, which makes angle of a blade controlled according to the given condition of the field. CONSTITUTION: A fire-fighting smoke damper comprises: a case(10) in which the front and back are opened; a lower chamber(13) in which a damper blade is installed; a controller(16) for controlling the operation of the damper blade; an upper chamber(15) in which a linkage is installed; a rubber blade(20) mounted on the front opening of the lower chamber; a bolt hole(18) formed in both sides of the case; a joint hole(21) formed in both sides of the rubber blade; and a bolt(30) fixed to and coupled with the joint hole of the rubber blade.