The FSD60-VALR Combination Fire/Smoke Damper is both UL555 and UL555S Classified. It is rated as a 1-1/2 hour fire damper and a Leakage Class I Smoke damper.
It features:
- Validator ready, damper supplied with RSDC (controller).
- True one-piece airfoil blades.
- Rated to 4,000 fpm and 4" w.g.
- UL approval for dual directional airflow.
- Failsafe design, which enables the damper to automatically assume the desired position when fire or smoke (if smoke detector is present) interrupts operational power.
- Controlled closure in not less than 3 seconds and no more than 15 seconds to prevent HVAC and duct damage.
- Automatic remote reset after test, smoke detection or power failure conditions.
Galvanized steel construction.
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