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Backdraft Damper, Horizontal, 50 Sq

  • Mfr # 6WRK8

  • Zoro # G3710104

product price:  $257.99
/ea
Additional $55.00 delivery surcharge applies per item.
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Key Features

Type
No Flange, Horizontal Mount
Damper Size (In.)
49-3/4 X 49-3/4
Overall Size (In.)
49-3/4 X 49-3/4
Max. Velocity (FPM)
2,000 fpm
Construction Material
G-90 Galvanized Steel Frame and Aluminum Blades
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Specifications

Product Information

MFR #
6WRK8
Zoro #
G3710104
UPC #
190735372166
Country of Origin
United States

Dimensions

Damper Size (In.)
49-3/4 X 49-3/4
Overall Size (In.)
49-3/4 X 49-3/4
Overall Height
49 3/4 in
Overall Width
49 3/4 in
Overall Length
4 1/2 in
Frame Material Thickness
20 ga
For Nominal Duct Diameter
50 in
Rough Opening Width
50 in
Rough Opening Diameter
50 in
Fits Fan Diameter
48 in
Rough Opening Length
50 in
Frame Depth
2 in
Wire Rope Length
4 1/2 in

Details

Item
49.75"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
Damper Type
Dynamic
Frame Material
Galvanized Steel
Blade Orientation
Parallel Blades
Blade Material
Aluminum
Free Area
16.2 sq ft
Maximum Air Velocity
2000 fpm
Closure Velocity Rating
2,000 fpm
Blade Seal Material
Felt
Maximum Pressure
1 in wc
Frame Less Flange
49 3/4
Closure Type
Spring
Single Acting/Double Acting
Single Acting
Number of Panels
2
Counterbalanced
Yes
Blade Type
Flat Blade
Damper Application
Backdraft
Airflow Direction
Horizontal; Vertical
Rough Opening Shape
Square
Mounting Position
Horizontal; Vertical
For Duct Shape
Square
Flange Type
None
Switch Action
Normally Closed
Maximum Ambient Temperature
180 Degrees F
Includes Motor
No
Opening Type
Spring

Description

49.75 In.H-W 4.5 In.L Aluminum Backdraft Dampr, Damper Application Backdraft, For Nominal Duct Diameter 50 in, Frame Material Galvanized Steel, Number of Panels 2, Maximum Air Velocity 2000 fpm, Overall Height 49 3/4 in, Rough Opening Diameter 50 in, Rough Opening Shape Square, Fits Fan Diameter 48 in, For Duct Shape Square, Free Area 16.2 sq ft, Overall Width 49 3/4 in, Frame Material Thickness 20 ga, Overall Length 4 1/2 in, Frame Depth 2 in, Rough Opening Length 50 in

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