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.
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