Used to prevent the fire from spreading to neighboring areas by closing the air passage during a fire.
Material: Manufactured from galvanized 1.5 mm thick plate.
When the temperature reaches 72ºC, the fuse melts and the mechanism closes the damper wing. In the motorized type, the motor closes the wing with any warning signal coming to the motor.
Features: The product has a sealing feature due to its mechanism and wing structure. There is an intumescent gasket that swells with heating around the damper flap.