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  9. 20 in Backdraft Damper / Wall Shutter, 20-1/2 in x 20-1/2 in
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Dayton

20 in Backdraft Damper / Wall Shutter, 20-1/2 in x 20-1/2 in

product price: $60.25
/ea
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Key Features

  • Shutter Mounting Position Vertical
  • Shutter Mounting Location Wall
  • Shutter Construction Material G-90 Galvanized Steel Frame and Tie Rods
  • Shutter Free Area 2.289 sq ft
  • Shutter Opening Required 20-1/2 in x 20-1/2 in
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Product Information

Dimensions

Shutter Overall Size 23 in x 23 in
Fits Fan Dia. 20 in
Flange Width 1 1/2 in
Mounting Hole Size Prepunched
Frame Depth 2 1/4 in
Open Depth 6 1/4 in
Mounting Hole Diameter 1/4 in
Overall Height 23 in
Rough Opening Width 20.5 in
Rough Opening Diameter 20 1/2 in
Overall Length 6 in
Fits Fan Diameter 20 in
Rough Opening Length 20 1/2 in
Overall Width 23 in
Overall Diameter 23 in

Details

Item 23"H-W 6"L Aluminum Wall Backdraft Dampr
Shutter Mounting Position Vertical
Shutter Mounting Location Wall
Shutter Construction Material G-90 Galvanized Steel Frame and Tie Rods
Shutter Free Area 2.289 sq ft
Shutter Opening Required 20-1/2 in x 20-1/2 in
Blade Material Aluminum
Max. Velocity 2000 fpm
Frame Opening B 20 in
For Use With Vertical Mounted Exhaust Fans
Frame Opening A 20 in
Shutter Item Backdraft Damper / Wall Shutter
Number of Panels 1
Shutter Overall Square 23" x 23"
Includes Felted Louvers for Quiet Operation
Mounting Position Vertical
Free Area 2.3 sq ft
Series 502
Frame Material Galvanized Steel
Tie-Rod Material Galvanized Steel Frame and Tie Rods
Bushing Material Nylon; Stainless Steel
Rough Opening Shape Square
Opening Type Gravity
Blade Orientation Parallel Blades
Blade Seal Material Felt
Maximum Pressure 1 in wc
Damper Type Static
Maximum Air Velocity 2000 fpm
Damper Finish Mill Finish
Closure Velocity Rating 2,000 fpm
Frame Material Thickness 20 ga
Counterbalanced No
Switch Action Normally Closed
Blade Type Flat Blade
Closure Type Gravity
Frame Less Flange 20
Maximum Ambient Temperature 180 Degrees F
Flange Type Rear Flange
Airflow Direction Horizontal
Single Acting/Double Acting Single Acting
Damper Application Backdraft
Blade Material Thickness 26 ga

Description

23 In.H-W 6 In.L Aluminum Wall Backdraft Dampr, Damper Application Backdraft, For Nominal Duct Diameter Not Applicable, Frame Material Galvanized Steel, Number of Panels 1, Maximum Air Velocity 2000 fpm, Overall Height 23 in, Rough Opening Diameter 20 1/2 in, Rough Opening Shape Square, Fits Fan Diameter 20 in, For Duct Shape Not Applicable, Free Area 2.3 sq ft, Overall Width 23 in, Frame Material Thickness 20 ga, Overall Length 6 in, Connection Type Not Applicable, Frame Depth 2 1/4 in

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