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  9. 30 in Backdraft Damper / Wall Shutter, 30-1/2 in x 30-1/2 in
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Dayton

30 in Backdraft Damper / Wall Shutter, 30-1/2 in x 30-1/2 in

product price: $113.99
/ea
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Key Features

  • Shutter Mounting Position Vertical
  • Shutter Mounting Location Wall
  • Shutter Construction Material G-90 Galvanized Steel Frame and 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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Product Information

Dimensions

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

Details

Item 33"H-W 5 3/4"L Alu Wall Backdraft Damper
Shutter Mounting Position Vertical
Shutter Mounting Location Wall
Shutter Construction Material G-90 Galvanized Steel Frame and 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
Shutter Overall Square 33" x 33"
Frame Opening A 30 in
For Use With Vertical Mounted Exhaust Fans
Frame Opening B 30 in
Shutter Item Backdraft Damper / Wall Shutter
Number of Panels 1
Includes Pre-Punched Mounting Holes; Felted Edges Counterbalanced Louvers; Weep Holes in Frame Bottom
Mounting Position Vertical
Free Area 5.5 sq ft
Blade Seal Material Felt
Tie-Rod Material Galvanized Steel Frame and Tie Rods
Maximum Air Velocity 2500 fpm
Bushing Material Stainless Steel
Opening Type Gravity
Frame Less Flange 30
Closure Type Gravity
Blade Orientation Parallel Blades
Frame Material Thickness 20 ga
Damper Finish Mill Finish
Frame Material Galvanized Steel
Blade Type Flat Blade
Series 556
Single Acting/Double Acting Single Acting
Rough Opening Shape Square
Counterbalanced Yes
Damper Type Static
Damper Application Backdraft
Flange Type Rear Flange
Blade Material Thickness 26 ga
Closure Velocity Rating 2,500 fpm
Maximum Ambient Temperature 180 Degrees F
Maximum Pressure 1 in wc
Switch Action Normally Closed
Airflow Direction Horizontal

Description

33 In.H-W 5 3/4 In.L Alu Wall Backdraft Damper, Damper Application Backdraft, For Nominal Duct Diameter Not Applicable, Frame Material Galvanized Steel, 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 20 ga, Overall Length 5 3/4 in, Connection Type Not Applicable, Frame Depth 2 1/2 in

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