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Backdraft Damper, Horizontal, 35-3/4Sq

  • Mfr # 3HHN1

  • Zoro # G3463616

product price: 
$
166.99
/ea
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Key Features

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
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Specifications

Details

MFR #
3HHN1
Zoro #
G3463616
UPC #
190735289570
Country of Origin
United States
Item
35.75"H-W 4.5"L Aluminum Backdraft Dampr
Type
No Flange, Horizontal Mount
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
Frame Less Flange
35 3/4
Maximum Ambient Temperature
180 Degrees F
Switch Action
Normally Closed
Damper Finish
Mill Finish
Maximum Pressure
1 in wc
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
Series
611
Blade Orientation
Parallel Blades
Number of Panels
1
Mounting Position
Horizontal; Vertical
Frame Material
Galvanized Steel
Maximum Air Velocity
2250 fpm
Bushing Material
Nylon
Closure Type
Spring
Airflow Direction
Horizontal; Vertical
Single Acting/Double Acting
Single Acting
Rough Opening Shape
Square

Description

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

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