Fire Dampers - DFD-310

Model DFD-310 is for use in walls, floors, and partitions with fire-resistance ratings of three hours or more. This model has a 2³/₁₆ inch (56 mm)frame. Dynamic-rated-fire dampers are used with HVAC systems that remain operational during a fire emergency.

Pressure: Up to 4 in. wg (1 kPa)

Velocity: Up to 4000 fpm (20.3 m/s)

Temperature: Up to 286°F (141°C)