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18 in 21"H-W 5.75"L Aluminum Backdraft Damper, 18-1/2 in x 18-1/2 in, Aluminum

  • Mfr # 4C558

  • Zoro # G3216062

product price: 
$
89.29
/ea

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
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Specifications

Product Information

MFR #
4C558
Zoro #
G3216062
UPC #
190735322185
Country of Origin
United States

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
Blade Material Thickness
26 ga
Overall Diameter
21 in
Rough Opening Diameter
18 1/2 in
Rough Opening Width
18.5 in
Rough Opening Length
18 1/2 in
Frame Material Thickness
0.8 in
Mounting Hole Diameter
1/4 in
Wire Rope Length
5 3/4 in
Length
5 3/4 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
Type
Gravity Operated, Single Panel
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
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
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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