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Wall Backdraft Damper, Vertical Mount, 20 in Dia Fan, 25 in H x 25 in W x 6-1/4 in D, 2000 fpm

  • Mfr # 53DR20

  • Zoro # G9180958


product price: $70.99
/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
2.527 sq ft
Shutter Opening Required
22-1/2 in x 22-1/2 in
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Specifications

Product Information

MFR #
53DR20
Zoro #
G9180958
UPC #
00194484302887
Country of Origin
United States

Dimensions

Shutter Overall Size
25 in x 25 in
Fits Fan Dia.
20 in
Width
25 in
Frame Depth
2 1/4 in
Flange Width
1 1/2 in
Open Depth
6 1/4 in
Mounting Hole Size
9/64 in
Length
25 in
Overall Width
25 in
Overall Height
25 in
Mounting Hole Diameter
1/4 in
Overall Length
6 in
Rough Opening Diameter
22 1/2 in
Rough Opening Length
22 1/2 in
Frame Material Thickness
20 ga
Fits Fan Diameter
20 in
Rough Opening Width
22.5 in
Overall Diameter
25 in
Blade Material Thickness
26 ga

Details

Item
25"H-W 6"L Aluminum Backdraft Damper
Shutter Mounting Position
Vertical
Shutter Mounting Location
Wall
Shutter Construction Material
G-90 Galvanized Steel Frame and Tie Rods
Shutter Free Area
2.527 sq ft
Shutter Opening Required
22-1/2 in x 22-1/2 in
Blade Material
Aluminum
Max. Velocity
2500 FPM
Type
Exhaust
Number of Panels
1
Shutter Item
Backdraft Damper / Wall Shutter
For Use With
Vertical Mounted Exhaust Fans
Frame Opening A
22 in
Frame Opening B
22 in
Includes
Felted Louvers for Quiet Operation
Mounting Position
Vertical
Airflow Direction
Horizontal
Damper Application
Backdraft
Frame Less Flange
22
Rough Opening Shape
Square
Counterbalanced
No
Maximum Pressure
1 in wc
Closure Velocity Rating
2,000 fpm
Bushing Material
Nylon; Stainless Steel
Series
502
Maximum Ambient Temperature
180 Degrees F
Single Acting/Double Acting
Single Acting
Switch Action
Normally Closed
Tie-Rod Material
Galvanized Steel Frame and Tie Rods
Closure Type
Gravity
Blade Type
Flat Blade
Free Area
2.5 sq ft
Opening Type
Gravity
Blade Orientation
Parallel Blades
Damper Type
Static
Frame Material
Galvanized Steel
Flange Type
Rear Flange
Blade Seal Material
Felt
Maximum Air Velocity
2000 fpm
Damper Finish
Mill Finish

Description

25 In.H-W 6 In.L Aluminum Backdraft Damper, Damper Application Backdraft, For Nominal Duct Diameter Not Applicable, Frame Material Galvanized Steel, Number of Panels 1, Maximum Air Velocity 2000 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 6 in, Connection Type Not Applicable, Frame Depth 2 1/4 in

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