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Damper, Backdraft, Wall Mount, 27-3/4 In Sq

  • Mfr # 5NKN6

  • Zoro # G0537826


product price: $138.99
/ea
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Key Features

Type
Wall Mount, Supply
Damper Size (In.)
25 x 25
Overall Size (In.)
27-3/4 x 27-3/4
Construction Material
16-gauge Extruded Aluminum Frame, Galvanized Steel Tie Rods and Stainless Steel Hardware
Flange Width (In.)
1 1/2 in
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Specifications

Product Information

MFR #
5NKN6
Zoro #
G0537826
UPC #
190735347737
Country of Origin
United States

Dimensions

Damper Size (In.)
25 x 25
Overall Size (In.)
27-3/4 x 27-3/4
Flange Width (In.)
1 1/2 in
Rough Opening Diameter
25 1/2 in
Frame Depth
1 5/8 in
Fits Fan Diameter
24 in
Blade Material Thickness
26 ga
Flange Width
1 1/2 in
Rough Opening Length
25 1/2 in
Frame Material Thickness
0.1 in
Rough Opening Width
25.5 in
Overall Height
27 3/4 in
Overall Length
4 1/2 in
Overall Width
27 3/4 in

Details

Item
27.75"H-W 4.5"L Aluminum Backdraft Dampr
Type
Wall Mount, Supply
Construction Material
16-gauge Extruded Aluminum Frame, Galvanized Steel Tie Rods and Stainless Steel Hardware
Includes
Felted Edges for Quiet Operation
Max. Velocity (FPM)
2,250 fpm
Maximum Ambient Temperature
180 Degrees F
Switch Action
Normally Closed
Airflow Direction
Horizontal; Vertical
Blade Type
Flat Blade
Damper Type
Static
Blade Orientation
Parallel Blades
For Duct Shape
Square
Maximum Air Velocity
2250 fpm
Blade Material
Aluminum
Minimum Ambient Temperature
-40 Degrees F
Frame Less Flange
25
Closure Velocity Rating
2,250 fpm
Rough Opening Shape
Square
Frame Material
Aluminum
Free Area
3.8 sq ft
Damper Finish
Mill Finish
Damper Application
Backdraft
Flange Type
Front Flange
Counterbalanced
Yes
Single Acting/Double Acting
Single Acting
Maximum Pressure
1 in wc
Number of Panels
1
Series
CWV
Opening Type
Spring
Mounting Position
Vertical
Closure Type
Gravity
Tie-Rod Material
Galvanized Steel Frame and Tie Rods
Blade Seal Material
Felt
Bushing Material
Stainless Steel

Description

27.75 In.H-W 4.5 In.L Aluminum Backdraft Dampr, Damper Application Backdraft, For Nominal Duct Diameter Not Applicable, Frame Material Aluminum, Number of Panels 1, Maximum Air Velocity 2250 fpm, Overall Height 27 3/4 in, Rough Opening Diameter 25 1/2 in, Rough Opening Shape Square, Fits Fan Diameter 24 in, For Duct Shape Square, Free Area 3.8 sq ft, Overall Width 27 3/4 in, Frame Material Thickness 0.1 in, Overall Length 4 1/2 in, Connection Type Not Applicable, Frame Depth 1 5/8 in

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