Air Control Products: HHE/FD-FL
AirVent family →A fire damper has one job: when heat arrives, the 120°C thermal fuse or spring-return actuator slams the blades shut and the duct stops being a road for fire. Heavy-duty GI or SS frames and blades, built for rated penetrations: never the line item to value-engineer out of a fire-rated penetration.
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Wherever a duct penetrates a fire-rated wall, slab or shaft. Codes treat them as life-safety devices: never the line item to value-engineer out of a penetration.
A 120°C thermal fuse or spring-return actuator slams the blades shut when heat arrives, so the duct stops carrying flame between compartments.
More from Dampers
Manual or motorized multi-blade dampers for balancing air volume across supply and return mains: the tap of the duct system.
Aerofoil-blade VCDs: shaped blades that throttle high-airflow mains with less noise and turbulence than flat blades.
Round VCDs: single-blade volume control for round ducts, spigots and branch take-offs.
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