Ruskin Smoke and Fire Damper

The FSD60 Combination Fire/Smoke Damper are 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 4,000 fpm.
• Maximum 8″ static pressure
• 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
• The EFL or PFL heat-actuated release devices permit controlled closure through the actuator and are automatically remote re-settable after test, smoke detection, or power failure conditions
• Galvanized steel construction