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Backdraft Damper, Horizontal, 42 Sq

  • Mfr # 6WRK7

  • Zoro # G3634267


product price: $182.99
/ea
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Key Features

Type
No Flange, Horizontal Mount
Damper Size (In.)
41-3/4 X 41-3/4
Overall Size (In.)
41-3/4 X 41-3/4
Max. Velocity (FPM)
2,000 fpm
Construction Material
G-90 Galvanized Steel Frame and Aluminum Blades
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Specifications

Product Information

MFR #
6WRK7
Zoro #
G3634267
UPC #
190735372159
Country of Origin
United States

Dimensions

Damper Size (In.)
41-3/4 X 41-3/4
Overall Size (In.)
41-3/4 X 41-3/4
Overall Length
4 1/2 in
Overall Width
41 3/4 in
Overall Height
41 3/4 in
For Nominal Duct Diameter
42 in
Rough Opening Length
42 in
Rough Opening Width
42 in
Fits Fan Diameter
42 in
Rough Opening Diameter
42 in
Blade Material Thickness
26 ga
Frame Depth
2 in
Frame Material Thickness
20 ga

Details

Item
41.75"H-W 4.5"L Aluminum Backdraft Dampr
Type
No Flange, Horizontal Mount
Max. Velocity (FPM)
2,000 fpm
Construction Material
G-90 Galvanized Steel Frame and Aluminum Blades
Includes
Pre-Punched Conduit Hole Knock-Out; Felted Edges for Quiet Operation
Mounting Position
Horizontal; Vertical
Damper Finish
Mill Finish
Closure Type
Spring
Bushing Material
Nylon
Frame Material
Galvanized Steel
Blade Material
Aluminum
Free Area
10.9 sq ft
Maximum Air Velocity
2000 fpm
Opening Type
Spring
Closure Velocity Rating
2,000 fpm
Number of Panels
1
Blade Type
Flat Blade
Series
611
Frame Less Flange
41 3/4
Damper Application
Backdraft
Single Acting/Double Acting
Single Acting
Rough Opening Shape
Square
Blade Seal Material
Felt
Counterbalanced
Yes
Minimum Ambient Temperature
-40 Degrees F
Switch Action
Normally Closed
Airflow Direction
Horizontal; Vertical
Flange Type
None
Maximum Ambient Temperature
180 Degrees F
Damper Type
Dynamic
For Duct Shape
Square
Maximum Pressure
1 in wc
Blade Orientation
Parallel Blades
Includes Motor
No

Description

41.75 In.H-W 4.5 In.L Aluminum Backdraft Dampr, Damper Application Backdraft, For Nominal Duct Diameter 42 in, Frame Material Galvanized Steel, Number of Panels 1, Maximum Air Velocity 2000 fpm, Overall Height 41 3/4 in, Rough Opening Diameter 42 in, Rough Opening Shape Square, Fits Fan Diameter 42 in, For Duct Shape Square, Free Area 10.9 sq ft, Overall Width 41 3/4 in, Frame Material Thickness 20 ga, Overall Length 4 1/2 in, Frame Depth 2 in, Rough Opening Length 42 in

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