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48 in 51"H-W 5.75"L Aluminum Backdraft Damper, 48-1/2 in x 48-1/2 in, Aluminum

  • Mfr # 3C312

  • Zoro # G2968235

product price:  $305.99
/ea
Additional $135.00 delivery surcharge applies per item.
See details

Key Features

Shutter Mounting Position
Vertical
Shutter Mounting Location
Wall
Shutter Construction Material
Extruded Aluminum Frame and G-90 Galvanized Tie Rods
Shutter Free Area
12.924 sq ft
Shutter Opening Required
48-1/2 in x 48-1/2 in
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Specifications

Product Information

MFR #
3C312
Zoro #
G2968235
UPC #
190735280829
Country of Origin
United States

Dimensions

Shutter Overall Size
51 in x 51 in
Fits Fan Dia.
48 in
Open Depth
6 1/4 in
Mounting Hole Size
Prepunched
Frame Depth
3 in
Flange Width
1 1/2 in
Overall Length
5 3/4 in
Overall Width
51 in
Overall Height
51 in
Frame Material Thickness
0.8 in
Mounting Hole Diameter
1/4 in
Fits Fan Diameter
48 in
Blade Material Thickness
26 ga
Overall Diameter
51 in
Rough Opening Width
48.5 in
Frame Opening Height
48 in
Rough Opening Length
48 1/2 in
Frame Opening Width
48 in
Rough Opening Diameter
48 1/2 in

Details

Item
51"H-W 5.75"L Aluminum Backdraft Damper
Shutter Mounting Position
Vertical
Shutter Mounting Location
Wall
Shutter Construction Material
Extruded Aluminum Frame and G-90 Galvanized Tie Rods
Shutter Free Area
12.924 sq ft
Shutter Opening Required
48-1/2 in x 48-1/2 in
Blade Material
Aluminum
Max. Velocity
2500 FPM
Type
Gravity Operated, Double Panel
Number of Panels
2
Shutter Item
Backdraft Damper / Wall Shutter
Frame Opening A
48 in
Shutter Overall Square
51" x 51"
For Use With
Vertical Mounted Exhaust Fans
Frame Opening B
48 in
Includes
Prepunched Mounting Holes; Felt edged Counterbalanced Louvers; Weep Holes In Frame Bottom
Mounting Position
Vertical
Color
White
Free Area
12.9 sq ft
Series
EAS
Closure Velocity Rating
2,500 fpm
Damper Finish
Mill Finish
Counterbalanced
Yes
Rough Opening Shape
Square
Maximum Pressure
1 in wc
Closure Type
Gravity
Airflow Direction
Horizontal
Opening Type
Gravity
Minimum Ambient Temperature
-40 Degrees F
Blade Seal Material
Felt
Damper Type
Static
Damper Application
Backdraft
Single Acting/Double Acting
Single Acting
Blade Orientation
Parallel Blades
Maximum Air Velocity
2500 fpm
Bushing Material
Stainless Steel
Maximum Ambient Temperature
180 Degrees F
Blade Type
Flat Blade
Frame Material
Aluminum
Flange Type
Rear Flange
Tie-Rod Material
Galvanized Steel Frame and Tie Rods
Switch Action
Normally Closed
Frame Less Flange
48

Description

51 In.H-W 5.75 In.L Aluminum Backdraft Damper, Damper Application Backdraft, For Nominal Duct Diameter Not Applicable, Frame Material Aluminum, Number of Panels 2, Maximum Air Velocity 2500 fpm, Overall Height 51 in, Rough Opening Diameter 48 1/2 in, Rough Opening Shape Square, Fits Fan Diameter 48 in, For Duct Shape Not Applicable, Free Area 12.9 sq ft, Overall Width 51 in, Frame Material Thickness 0.8 in, Overall Length 5 3/4 in, Connection Type Not Applicable, Frame Depth 3 in

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