Description
Gravity Operated Heavy Duty Backdraft, Single Thickness (Vertical Mount)
Damper Depth 1-7/8″
Max Face Velocity 3000 fpm
Max Pressure 1 in w.g
Max Temperature 200 F
Min Size 6″ x 6″
Max Size 24″ x 96″
Frame Material 0.063 6063-T5 Extruded Aluminum (Flanged or Drop-In)
Blade Material 22 Ga. Aluminum
Axles 3/16″ Dia. Plated Steel, Full Length
Bearings Heavy Duty Molded Nylon
Linkage Plated Steel Brackets, Stainless Steel Shoulder Rivets and Aluminum Linkage Bars
Stops Aluminum Angle
Finish Mill
Actuator Gravity Operated is Standard (Optional Manual or Electric)
Seals Polyurethane Sponge On The Sill and Felt Between Adjacent Blades
Manufacturer:Electronic Components
Datasheet:BD20 Submittal.pdf
