Fire Dampers - DFD-150
Model DFD-150 is for use in walls, floors, and partitions with fire-resistance ratings less than three hours. This model has a 3¹¹/₁₆ inch (94 mm) frame. 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)
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