Fire Dampers - SSDFDR-510

Model SSDFDR-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. 304 stainless steel construction Pressure: Up to 4 in. wg (1 kPa) Velocity: Up to 2000 fpm (10.2 m/s) Temperature: Up to 286°F (141°C)