BD 10 – Brownlee-Morrow Company


At Brownlee-Morrow, we value the health and safety of our employees, business partners, and the public. Brownlee-Morrow has sought and will continue to seek alignment with the most current Centers for Disease Control and Prevention (CDC) guidance pertaining to coronavirus (COVID-19) precautions. We are currently open and are servicing customers in both our Birmingham and Mobile locations.

BD 10

Manufacturer: American Warming and Ventilating

1" Commercial Rectangular Backdraft Damper

Damper Depth1 7/8"

DescriptionGravity Operated Backdraft, Single Thickness (Vertical Mount)

Max Face Velocity1000 FPM

Max Pressure1 in. wg

Max Temperature200 F

Min Size6" x 6"

Max Size30" x 96"

Frame Material.063 6063 T5 Extruded Aluminum (Flanged or Drop In)

Blade Material26 Ga. Aluminum

Axles3/16" Dia. Plated Steel, Stub

BearingsHeavy Duty Molded Nylon


StopsAluminum Angle


ActuatorGravity Operated

SealsPolyurethane Sponge On The Sill and Felt Between Adjacent Blades