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- Certified ISO 9001 : 2008
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FSD37
UL 555/555S 1.5 hr./Class I, V-Groove
Blade, 2,000 fpm and 4" w.g. max, Optional Sleeve.
Product Features:
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The FSD37 Combination Fire/Smoke Damper is both UL555 and UL555S Classified, and
rated as a 1-1/2 hour fire damper and a Leakage Class I Smoke damper. It features:
- Maximum velocity of 2,000 fpm.
- Maximum 4" static pressure.
- UL tested 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.
- The EFL or 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.
Additional Resources
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Product Data/Submittal (PDF)
