Damper, Backdraft, Wall Mount, 27-3/4 In Sq - 5NKN6

Damper, Backdraft, Wall Mount, 27-3/4 In Sq - 5NKN6

Dayton
SKU:
5NKN6
|
UPC:
190735347737
Availability:
In Stock

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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
Additional Information
Country of Origin:
United States
Item:
27.75H-W 4.5"L Aluminum Backdraft Dampr"
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
Includes:
Felted Edges for Quiet Operation
Max. Velocity (FPM):
2,250 fpm
Maximum Ambient Temperature:
180 Degrees F
Connection Type:
Not Applicable
Rough Opening Diameter:
25 1/2 in
Switch Action:
Normally Closed
Airflow Direction:
Horizontal; Vertical
Frame Depth:
1 5/8 in
Fits Fan Diameter:
24 in
Blade Material Thickness:
26 ga
Blade Type:
Flat Blade
Damper Type:
Static
Pressure Drop @ 1000 fpm (AMCA 5.2):
Not Applicable
Blade Orientation:
Parallel Blades
For Duct Shape:
Square
Seal Material:
Not Applicable
Maximum Air Velocity:
2250 fpm
Blade Material:
Aluminum
Flange Width:
1 1/2 in
Rough Opening Length:
25 1/2 in
Frame Material Thickness:
0.1 in
Minimum Ambient Temperature:
-40 Degrees F
Frame Less Flange:
25
ACMA Leakage Class:
Not Applicable
Overall Diameter:
Not Applicable
For Fuel Type:
Not Applicable
Closure Velocity Rating:
2,250 fpm
Rough Opening Width:
25.5 in
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
For Nominal Duct Diameter:
Not Applicable
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
Overall Height:
27 3/4 in
Fusible Link Temperature:
Not Applicable
Overall Length:
4 1/2 in
Bushing Material:
Stainless Steel
Overall Width:
27 3/4 in
Package Quantity:
1
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