Backdraft Damper, Horizontal, 35-3/4Sq - 3HHN1

Dayton
SKU:
3HHN1
|
UPC:
190735289570
Availability:
In Stock

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35.75 In.H-W 4.5 In.L Aluminum Backdraft Dampr, Damper Application Backdraft, For Nominal Duct Diameter 36 in, Frame Material Galvanized Steel, Number of Panels 1, Maximum Air Velocity 2250 fpm, Overall Height 35 3/4 in, Rough Opening Diameter 36 in, Rough Opening Shape Square, Fits Fan Diameter 36 in, For Duct Shape Square, Free Area 8.2 sq ft, Overall Width 35 3/4 in, Frame Material Thickness 20 ga, Overall Length 4 1/2 in, Frame Depth 2 in, Rough Opening Length 36 in, Maximum Pressure 1 in wc
Country of Origin:
United States
Item:
35.75H-W 4.5"L Aluminum Backdraft Dampr"
Type:
No Flange, Horizontal Mount
Damper Size (In.):
35-3/4 x 35-3/4
Overall Size (In.):
35-3/4 x 35-3/4
Includes:
Pre-Punched Conduit Hole Knock-Out; Felted Edges for Quiet Operation
Outside Flange (In.):
35-3/4 x 35-3/4
Max. Velocity (FPM):
2,000 fpm
Construction Material:
G-90 Galvanized Steel Frame and Aluminum Blades
Overall Length:
4 1/2 in
Overall Width:
35 3/4 in
Overall Height:
35 3/4 in
Frame Less Flange:
35 3/4
Maximum Ambient Temperature:
180 Degrees F
For Fuel Type:
Not Applicable
Switch Action:
Normally Closed
Damper Finish:
Mill Finish
ACMA Leakage Class:
Not Applicable
Blade Material Thickness:
26 ga
Maximum Pressure:
1 in wc
Frame Depth:
2 in
Damper Type:
Dynamic
Flange Type:
None
Free Area:
8.2 sq ft
Opening Type:
Motorized
Counterbalanced:
Yes
Damper Application:
Backdraft
Minimum Ambient Temperature:
-40 Degrees F
Blade Seal Material:
Felt
Blade Material:
Aluminum
Closure Velocity Rating:
2,250 fpm
Blade Type:
Flat Blade
For Duct Shape:
Square
Overall Diameter:
Not Applicable
Series:
611
Blade Orientation:
Parallel Blades
Number of Panels:
1
For Nominal Duct Diameter:
36 in
Rough Opening Length:
36 in
Rough Opening Width:
36 in
Frame Material Thickness:
20 ga
Rough Opening Diameter:
36 in
Fits Fan Diameter:
36 in
Mounting Position:
Horizontal; Vertical
Frame Material:
Galvanized Steel
Maximum Air Velocity:
2250 fpm
Pressure Drop @ 1000 fpm (AMCA 5.2):
Not Applicable
Fusible Link Temperature:
Not Applicable
Bushing Material:
Nylon
Flange Width:
Not Applicable
Closure Type:
Spring
Airflow Direction:
Horizontal; Vertical
Single Acting/Double Acting:
Single Acting
Seal Material:
Not Applicable
Rough Opening Shape:
Square
Package Quantity:
1