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20 in 25"H-W 5.75"L Alu Wall Backdraft Dampr, 22-1/2 in x 22-1/2 in, Aluminum

  • Mfr # 53DR11

  • Zoro # G9180845

product price: 
$
96.15
/ea

Key Features

Shutter Mounting Position
Vertical
Shutter Mounting Location
Wall
Shutter Construction Material
G-90 Galvanized Steel Frame and Tie Rods
Shutter Free Area
2.519 sq ft
Shutter Opening Required
22-1/2 in x 22-1/2 in
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Specifications

Details

MFR #
53DR11
Zoro #
G9180845
UPC #
00194484302795
Country of Origin
United States
Item
25"H-W 5.75"L Alu 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
2.519 sq ft
Shutter Opening Required
22-1/2 in x 22-1/2 in
Blade Material
Aluminum
Max. Velocity
2500 FPM
Type
Exhaust
Frame Opening B
22 in
Frame Opening A
22 in
For Use With
Vertical Mounted Exhaust Fans
Shutter Item
Backdraft Damper / Wall Shutter
Number of Panels
1
Includes
Prepunched Mounting Holes; Felt edged Counterbalanced Louvers; Weep Holes In Frame Bottom
Mounting Position
Vertical
Blade Type
Flat Blade
Rough Opening Shape
Square
Maximum Air Velocity
2500 fpm
Bushing Material
Stainless Steel
Damper Finish
Mill Finish
Opening Type
Gravity
Flange Type
Rear Flange
Frame Less Flange
22
Counterbalanced
Yes
Single Acting/Double Acting
Single Acting
Damper Application
Backdraft
Damper Type
Static
Closure Type
Gravity
Airflow Direction
Horizontal
Series
556
Switch Action
Normally Closed
Free Area
2.5 sq ft
Frame Material
Galvanized Steel
Maximum Ambient Temperature
180 Degrees F
Blade Orientation
Parallel Blades
Maximum Pressure
1 in wc
Closure Velocity Rating
2,500 fpm
Tie-Rod Material
Galvanized Steel Frame and Tie Rods
Blade Seal Material
Felt

Description

25 In.H-W 5.75 In.L Alu Wall Backdraft Dampr, Damper Application Backdraft, For Nominal Duct Diameter Not Applicable, Frame Material Galvanized Steel, Number of Panels 1, Maximum Air Velocity 2500 fpm, Overall Height 25 in, Rough Opening Diameter 22 1/2 in, Rough Opening Shape Square, Fits Fan Diameter 20 in, For Duct Shape Not Applicable, Free Area 2.5 sq ft, Overall Width 25 in, Frame Material Thickness 20 ga, Overall Length 5 3/4 in, Connection Type Not Applicable, Frame Depth 2 1/2 in

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