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Damper, Backdraft, Wall Mount, 19-3/4 In Sq

  • Mfr # 5NKN4

  • Zoro # G1586374

product price:  $89.19
/ea

Key Features

Type
Wall Mount, Supply
Damper Size (In.)
17 x 17
Overall Size (In.)
19-3/4 x 19-3/4
Max. Velocity (FPM)
2,250 fpm
Flange Width (In.)
1 1/2 in
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Specifications

Product Information

MFR #
5NKN4
Zoro #
G1586374
UPC #
190735347713
Country of Origin
United States

Dimensions

Damper Size (In.)
17 x 17
Overall Size (In.)
19-3/4 x 19-3/4
Flange Width (In.)
1 1/2 in
Flange Width
1 1/2 in
Fits Fan Diameter
16 in
Rough Opening Length
17 1/2 in
Overall Width
19 3/4 in
Rough Opening Width
17.5 in
Blade Material Thickness
26 ga
Frame Depth
1 5/8 in
Rough Opening Diameter
17 1/2 in
Overall Length
4 1/2 in
Overall Height
19 3/4 in
Frame Material Thickness
0.1 in
Wire Rope Length
4 1/2 in

Details

Item
19.75"H-W 4.5"L Aluminum Backdraft Dampr
Type
Wall Mount, Supply
Max. Velocity (FPM)
2,250 fpm
Construction Material
16-gauge Extruded Aluminum Frame, Galvanized Steel Tie Rods and Stainless Steel Hardware
Includes
Felted Edges for Quiet Operation
Damper Finish
Mill Finish
Closure Type
Gravity
Blade Material
Aluminum
Damper Type
Static
Maximum Pressure
1 in wc
Airflow Direction
Horizontal; Vertical
Closure Velocity Rating
2,250 fpm
Series
CWV
Blade Seal Material
Felt
Bushing Material
Stainless Steel
For Duct Shape
Square
Damper Application
Backdraft
Mounting Position
Vertical
Opening Type
Spring
Frame Less Flange
17
Tie-Rod Material
Galvanized Steel Frame and Tie Rods
Frame Material
Aluminum
Switch Action
Normally Closed
Rough Opening Shape
Square
Free Area
1.7 sq ft
Minimum Ambient Temperature
-40 Degrees F
Blade Orientation
Parallel Blades
Number of Panels
1
Counterbalanced
Yes
Blade Type
Flat Blade
Flange Type
Front Flange
Single Acting/Double Acting
Single Acting
Maximum Ambient Temperature
180 Degrees F
Maximum Air Velocity
2250 fpm

Description

19.75 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 19 3/4 in, Rough Opening Diameter 17 1/2 in, Rough Opening Shape Square, Fits Fan Diameter 16 in, For Duct Shape Square, Free Area 1.7 sq ft, Overall Width 19 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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