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  9. 18 in Backdraft Damper / Wall Shutter, 18-1/2 in x 18-1/2 in
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Dayton

18 in Backdraft Damper / Wall Shutter, 18-1/2 in x 18-1/2 in

product price: $79.45
/ea
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Key Features

  • Shutter Mounting Position Vertical
  • Shutter Mounting Location Wall
  • Shutter Construction Material Extruded Aluminum Frame and G-90 Galvanized Tie Rods
  • Shutter Free Area 2.043 sq ft
  • Shutter Opening Required 18-1/2 in x 18-1/2 in
See all product information

Product Information

Dimensions

Shutter Overall Size 21 in x 21 in
Fits Fan Dia. 18 in
Flange Width 1 1/2 in
Frame Depth 2 1/2 in
Open Depth 5 3/4 in
Mounting Hole Size Prepunched
Overall Width 21 in
Overall Height 21 in
Overall Length 5 3/4 in
Frame Opening Height 18 in
Frame Opening Width 18 in
Fits Fan Diameter 18 in
Overall Diameter 21 in
Rough Opening Diameter 18 1/2 in
Rough Opening Width 18.5 in
Rough Opening Length 18 1/2 in
Mounting Hole Diameter 1/4 in

Details

Item 21"H-W 5.75"L Aluminum Backdraft Damper
Shutter Mounting Position Vertical
Shutter Mounting Location Wall
Shutter Construction Material Extruded Aluminum Frame and G-90 Galvanized Tie Rods
Shutter Free Area 2.043 sq ft
Shutter Opening Required 18-1/2 in x 18-1/2 in
Blade Material Aluminum
Max. Velocity 2500 FPM
Frame Opening B 18 in
Shutter Overall Square 23"
Frame Opening A 18 in
Shutter Item Backdraft Damper / Wall Shutter
For Use With Vertical Mounted Exhaust Fans
Number of Panels 1
Includes Prepunched Mounting Holes; Felt edged Counterbalanced Louvers; Weep Holes In Frame Bottom
Mounting Position Vertical
Color White
Free Area 2 sq ft
Frame Less Flange 18
Bushing Material Stainless Steel
Maximum Air Velocity 2500 fpm
Rough Opening Shape Square
Maximum Ambient Temperature 180 Degrees F
Airflow Direction Horizontal
Counterbalanced Yes
Single Acting/Double Acting Single Acting
Blade Seal Material Felt
Closure Type Gravity
Blade Material Thickness 26 ga
Closure Velocity Rating 2,500 fpm
Damper Type Static
Minimum Ambient Temperature -40 Degrees F
Damper Finish Mill Finish
Opening Type Gravity
Series EAS
Blade Type Flat Blade
Flange Type Rear Flange
Damper Application Backdraft
Tie-Rod Material Galvanized Steel Frame and Tie Rods
Blade Orientation Parallel Blades
Switch Action Normally Closed
Frame Material Thickness 0.8 in
Frame Material Aluminum
Maximum Pressure 1 in wc

Description

21 In.H-W 5.75 In.L Aluminum Backdraft Damper, Damper Application Backdraft, For Nominal Duct Diameter Not Applicable, Frame Material Aluminum, Number of Panels 1, Maximum Air Velocity 2500 fpm, Overall Height 21 in, Rough Opening Diameter 18 1/2 in, Rough Opening Shape Square, Fits Fan Diameter 18 in, For Duct Shape Not Applicable, Free Area 2 sq ft, Overall Width 21 in, Frame Material Thickness 0.8 in, Overall Length 5 3/4 in, Connection Type Not Applicable, Frame Depth 2 1/2 in

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