Damper, Backdraft, Wall Mount, 19-3/4 In Sq - 5NKN4

Damper, Backdraft, Wall Mount, 19-3/4 In Sq - 5NKN4

Dayton
SKU:
5NKN4
|
UPC:
190735347713
Availability:
In Stock

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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
Additional Information
Country of Origin:
United States
Item:
19.75H-W 4.5"L Aluminum Backdraft Dampr"
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
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
For Nominal Duct Diameter:
Not Applicable
Closure Type:
Gravity
Blade Material:
Aluminum
Damper Type:
Static
Maximum Pressure:
1 in wc
Airflow Direction:
Horizontal; Vertical
Closure Velocity Rating:
2,250 fpm
Flange Width:
1 1/2 in
Series:
CWV
Blade Seal Material:
Felt
Fits Fan Diameter:
16 in
Fusible Link Temperature:
Not Applicable
Bushing Material:
Stainless Steel
For Duct Shape:
Square
Overall Diameter:
Not Applicable
Damper Application:
Backdraft
Rough Opening Length:
17 1/2 in
Overall Width:
19 3/4 in
Mounting Position:
Vertical
Rough Opening Width:
17.5 in
Blade Material Thickness:
26 ga
Opening Type:
Spring
Frame Less Flange:
17
Tie-Rod Material:
Galvanized Steel Frame and Tie Rods
Frame Depth:
1 5/8 in
ACMA Leakage Class:
Not Applicable
Frame Material:
Aluminum
Switch Action:
Normally Closed
Rough Opening Shape:
Square
Rough Opening Diameter:
17 1/2 in
Free Area:
1.7 sq ft
For Fuel Type:
Not Applicable
Minimum Ambient Temperature:
-40 Degrees F
Blade Orientation:
Parallel Blades
Number of Panels:
1
Counterbalanced:
Yes
Blade Type:
Flat Blade
Overall Length:
4 1/2 in
Flange Type:
Front Flange
Connection Type:
Not Applicable
Single Acting/Double Acting:
Single Acting
Overall Height:
19 3/4 in
Pressure Drop @ 1000 fpm (AMCA 5.2):
Not Applicable
Maximum Ambient Temperature:
180 Degrees F
Seal Material:
Not Applicable
Frame Material Thickness:
0.1 in
Maximum Air Velocity:
2250 fpm
Package Quantity:
1
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