Product Line SummaryAire Technologies' Leakage Rated Dampers are engineered and tested to prevent the spread of fire and smoke inside the ductwork through fire-resistance-rated walls - as well as provide some air balance control inside the HVAC system. Our Combination Fire and Smoke Dampers, Smoke Dampers, and Air Control Dampers are highly customizable to suit almost any design specification.
Certifications and ApprovalsAire Technologies Combination Fire and Smoke Dampers are UL 555 and 555S rated for 1½ hours or 3 hours at 250° or 350° and our Smoke Dampers are UL 555S rated. Aire Technologies Combination Fire and Smoke Dampers have been approved by the California State Fire Marshal and by the Texas Department of Insurance.
- Series 10 and 30 - CSFM BML Listing No. 3235-1650:0108
- Series 20 - CSFM BML Listing No. 3230-1650:0109
- Series 40 - CSFM BML Listing No. 3235-1650:0500