Fire damper YD443

The fire damper is used as a shut-off device to prevent fire and smoke from spreading through ducting in areas with potentially explosive atmospheres. The fire damper is suitable for supply air and extract air systems in potentially explosive atmospheres. For the operation of the fire damper, the operating and installation manual and the technical data in the supplementary operating manual must be observed. Large circular fire damper for the isolation of duct penetrations between fire compartments, available in nine nominal sizes For mortar-based installation in solid walls, ceiling slabs and lightweight partition walls Dry mortarless installation into lightweight partition walls Low differential pressure and sound power level Flanges as an option Explosion-proof construction (ATEX) as an option Optional stainless steel casing or powder-coated casing for increased corrosion protection Duct smoke detectors Class of performance to EN 13501-3, up to EI 120