FSD60-2 UL Classified 1 1/2 hr. Class II, Airfoil Blade
The SD60-2 is a UL555S Classified Leakage Class II smoke damper. It features:
UL555S Class II.
Rated to 2,000 fpm and 4" w.g.
With factory furnished actuator, provides fail-safe operation (the damper automatically goes to the desired fail-safe position when fire interrupts power.)
Available with factory furnished sleeves.
Airfoil blades, which have greater strength, less static pressure, superior sealing, superior fire protection, and produce less noise