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  5. 20 in 23"H-W 5.75"L Aluminum Backdraft Damper, 20-1/2 in x 20-1/2 in, Aluminum
Dayton 20 in 23"H-W 5.75"L Aluminum Backdraft Damper, 20-1/2 in x 20-1/2 in, Aluminum 4C559 - main

20 in 23"H-W 5.75"L Aluminum Backdraft Damper, 20-1/2 in x 20-1/2 in, Aluminum

  • Mfr # 4C559

  • Zoro # G0257677

product price:  $90.49
/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
2.281 sq ft
Shutter Opening Required
20-1/2 in x 20-1/2 in
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Specifications

Product Information

MFR #
4C559
Zoro #
G0257677
UPC #
190735322192
Country of Origin
United States

Dimensions

Shutter Overall Size
23 in x 23 in
Fits Fan Dia.
20 in
Mounting Hole Size
Prepunched
Open Depth
5 3/4 in
Frame Depth
2 1/2 in
Flange Width
1 1/2 in
Overall Length
5 3/4 in
Overall Width
23 in
Overall Height
23 in
Frame Material Thickness
0.8 in
Rough Opening Diameter
20 1/2 in
Mounting Hole Diameter
1/4 in
Frame Opening Width
20 in
Blade Material Thickness
26 ga
Fits Fan Diameter
20 in
Rough Opening Width
20.5 in
Rough Opening Length
20 1/2 in
Overall Diameter
23 in
Frame Opening Height
20 in

Details

Item
23"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
2.281 sq ft
Shutter Opening Required
20-1/2 in x 20-1/2 in
Blade Material
Aluminum
Max. Velocity
2500 FPM
Type
Gravity Operated, Single Panel
For Use With
Vertical Mounted Exhaust Fans
Frame Opening B
20 in
Shutter Overall Square
23"
Shutter Item
Backdraft Damper / Wall Shutter
Number of Panels
1
Frame Opening A
20 in
Includes
Prepunched Mounting Holes; Felt edged Counterbalanced Louvers; Weep Holes In Frame Bottom
Mounting Position
Vertical
Color
White
Free Area
2.3 sq ft
Maximum Air Velocity
2500 fpm
Flange Type
Rear Flange
Frame Less Flange
20
Blade Orientation
Parallel Blades
Series
EAS
Closure Type
Gravity
Closure Velocity Rating
2,500 fpm
Damper Application
Backdraft
Blade Type
Flat Blade
Bushing Material
Stainless Steel
Opening Type
Gravity
Blade Seal Material
Felt
Counterbalanced
Yes
Damper Finish
Mill Finish
Maximum Pressure
1 in wc
Frame Material
Aluminum
Maximum Ambient Temperature
180 Degrees F
Damper Type
Static
Minimum Ambient Temperature
-40 Degrees F
Airflow Direction
Horizontal
Single Acting/Double Acting
Single Acting
Switch Action
Normally Closed
Tie-Rod Material
Galvanized Steel Frame and Tie Rods
Rough Opening Shape
Square

Description

23 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 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 0.8 in, Overall Length 5 3/4 in, Connection Type Not Applicable, Frame Depth 2 1/2 in

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