Fire Dampers - DFDR-510
Model DFDR-510 is a round fire damper for use in walls, floors, and partitions with fire-resistance ratings less than three hours. 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 2000 fpm (10.2 m/s)
Temperature: Up to 286°F (141°C)
30-day money-back guarantee
Shipping: 2-3 Business Days