The FSD60-3BAL Combination Fire/Smoke and Volume Control Damper is both UL555 and UL555S Classified. It is rated as a 3 hour fire damper and a Leakage Class I smoke damper.
It features:
- Rated to 2,000 fpm and 4" w.g.
- UL approval for dual directional airflow.
- Airfoil blades, which have greater strength, less static pressure drop, superior sealing ability, superior fire protection ability and produce less noise.
- Designed to balance the airflow in ducts while simultaneously providing fire and smoke damper protection.
- Equipped with 24VAC/VDC actuator with a built in potentiometer allowing damper to open to numerous positions and still drive full open for smoke control purposes.
- The EFL and PFL heat-actuated release devices permit controlled closure through the actuator and are automatically remote resettable after test, smoke detection or power failure conditions.
- Galvanized steel construction.
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