
Combination Fire and Smoke Damper – FSD-A and B
Models FSD-A and B are multi-blade fire and smoke dampers with 3V style blades, designed to close the HVAC duct opening in emergency fire situations.

Caryaire model FSD-FA is a multi-blade fire and smoke damper with 3V style blades that gives front access, through the grill, to the damper, actuator and thermal release device.
These dampers suit shaft wall applications and are installed vertically with blades running horizontally. Airflow can be in either direction, and the actuator enclosure is 200mm wide within the sleeve.
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