FSD-EX UL Classified 1 1/2 hr. Class I
The FSD-EX Combination Fire/Smoke Round 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:
- Rated to 2,000 fpm and 4" w.g.
- UL approval for dual directional airflow.
- Two-piece 14 gage (1.9) equivalent blade thickness galvanized steel sandwiches insulation.
- 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 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
Dostępny w krajach:
| Ameryka północna |
|---|
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