24633 ⎘
Fire prevention or containment; Physical fire-barriers; Hinged dampers with two or more blades multi-vane roll or fold-up type
Fire-protection rolling door
#2Fire damper
#3Damper switch
#4Combination window shutter for fire and shade
#5Fire-alarm-controlled roller shutter
#6Fire protection : air escape vent
#7Active oxygen management, fire encirclement, and operational verification system