30 in 33"H-W 5.75"L Aluminum Backdraft Damper, 30-1/2 in x 30-1/2 in, Aluminum

  • Mfr # 3C309

  • Zoro # G1752073


product price:  $134.99
/ea
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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
5.452 sq ft
Shutter Opening Required
30-1/2 in x 30-1/2 in
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Specifications

Product Information

MFR #
3C309
Zoro #
G1752073
UPC #
190735280799
Country of Origin
United States

Dimensions

Shutter Overall Size
33 in x 33 in
Fits Fan Dia.
30 in
Mounting Hole Size
Prepunched
Flange Width
1 1/2 in
Frame Depth
3 in
Open Depth
6 1/4 in
Overall Height
33 in
Overall Width
33 in
Overall Length
5 3/4 in
Mounting Hole Diameter
1/4 in
Rough Opening Width
30.5 in
Rough Opening Diameter
30 1/2 in
Blade Material Thickness
26 ga
Frame Opening Height
30 in
Rough Opening Length
30 1/2 in
Frame Opening Width
30 in
Fits Fan Diameter
30 in
Frame Material Thickness
0.8 in
Overall Diameter
33 in

Details

Item
33"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
5.452 sq ft
Shutter Opening Required
30-1/2 in x 30-1/2 in
Blade Material
Aluminum
Max. Velocity
2500 FPM
Type
Gravity Operated, Single Panel
Shutter Item
Backdraft Damper / Wall Shutter
Number of Panels
1
Frame Opening A
30 in
Shutter Overall Square
33" x 33"
Frame Opening B
30 in
For Use With
Vertical Mounted Exhaust Fans
Includes
Prepunched Mounting Holes; Felt edged Counterbalanced Louvers; Weep Holes In Frame Bottom
Mounting Position
Vertical
Color
White
Free Area
5.5 sq ft
Frame Material
Aluminum
Counterbalanced
Yes
Damper Application
Backdraft
Blade Orientation
Parallel Blades
Frame Less Flange
30
Minimum Ambient Temperature
-40 Degrees F
Maximum Ambient Temperature
180 Degrees F
Airflow Direction
Horizontal
Opening Type
Gravity
Rough Opening Shape
Square
Closure Velocity Rating
2,500 fpm
Damper Finish
Mill Finish
Blade Type
Flat Blade
Series
EAS
Damper Type
Static
Closure Type
Gravity
Maximum Pressure
1 in wc
Flange Type
Rear Flange
Bushing Material
Stainless Steel
Maximum Air Velocity
2500 fpm
Tie-Rod Material
Galvanized Steel Frame and Tie Rods
Blade Seal Material
Felt
Switch Action
Normally Closed
Single Acting/Double Acting
Single Acting

Description

33 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 1, Maximum Air Velocity 2500 fpm, Overall Height 33 in, Rough Opening Diameter 30 1/2 in, Rough Opening Shape Square, Fits Fan Diameter 30 in, For Duct Shape Not Applicable, Free Area 5.5 sq ft, Overall Width 33 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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