The SD60-BAL is a UL555S Classified Leakage Class I three-position smoke damper. It features:
UL555S Class I.
Rated to 2,000 fpm and 4" w.g
Designed to balance the airflow in ducts while simultaneously providing smoke damper protection.
Equipped with 24VAC/VDC actuator with a built in potentiometer allowing damper to open to numerous positions and still drive full open for smoke control purposes.
Available with factory furnished sleeves.
Airfoil blades, which have greater strength, less static pressure, superior sealing, superior fire protection, and produce less noise