The DFD-150X series is for use in walls, floors, and partitions with fire-resistance ratings less than three hours. This model has an integral sleeve. Dynamic-rated-fire dampers are in HVAC systems that remain operational in the event of a fire.
Pressure: Up to 4 in. wg (1 kPa)
Velocity: Up to 4000 fpm (20.3 m/s)
Temperature: Up to 286°F (141°C)
DFD-150x12 has integral 12-inch sleeve (305mm)
DFD-150x16 has integral 16-inch sleeve (406 mm)
