Industrial Rectangular

BD-51

BD-51

Backdraft Damper, Single Thickness Blades, Galvanized Construction, Channel Frame, 5" wg Max Pressure, 3900 fpm Max Velocity, 250° F Max Temperature w/o Seals, 150° F Max Temperature with Seals

BD-52

BD-52

Backdraft Damper, End Pivoted Airfoil Blades, Galvanized Construction, Channel Frame, 8.5" wg Max Pressure, 5150 fpm Max Velocity, 250° F Max Temperature w/o Seals, 150° F Max Temperature with Seals

BD-53

BD-53

Backdraft Damper, End Pivoted Airfoil Blades, Galvanized Construction, Channel Frame, 13.5" wg Max Pressure, 6400 fpm Max Velocity, 250° F Max Temperature w/o Seals, 150° F Max Temperature with Seals