The SD60 is a UL555S Classified Leakage Class I smoke damper. It features:
- UL555S Class I.
- Maximum velocity of 4,000 fpm.
- Maximum 8" static pressure.
- 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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