Foot Valve 302 DN100 149B2757 (WATTS - 149B2757)

The HB-110 is a heavy duty industrial backdraft damper with a double-flanged galvanized steel channel frame and extruded aluminum blades. Backdraft dampers are designed to allow airflow in one direction and prevent reverse airflow. These can be used as exhaust or intake dampers.

Pressure: Up to 5 in. wg (1.2 kPa)

Velocity: Up to 3900 fpm (19.8 m/s)

Temperature: -20°F to 180°F (-29°C to 82°C)