FDD-MB-AF - 1.5, 3 Hr / Multi-Blade / Airfoil Blade Dynamic Fire Damper

(Not available in the US)

Ratings and installation types may vary with construction.  Please review submittals and installation instructions prior to application.

1.5, 3 Hour Rated / Multi-Blade / Airfoil Blade Dynamic Fire Damper

Multi-section units must be ordered with an actuator and a single heat responsive device, except as noted.

Single-section units acn be ordered with a fusible link and locking hand quadrant.

Options EFL (Electric Fusible Link) and PFV (Pneumatic Fusible Valve) are also available, providing quick and economical ways to check damper operations and provide a Systematic Closure Control. The PFV option allows damper operation without the need/cost for an EP valve and electrical connection at the damper. These options require an actuator to be ordered with the damper.