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  11. Damper, Vert/Horiz Mtg, 23 3/4 Sq
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Damper, Vert/Horiz Mtg, 23 3/4 Sq

product price: $72.79
/ea
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Key Features

  • Type No Flange, Horizontal or Vertical Mount
  • Damper Size (In.) 23-3/4 x 23-3/4
  • Overall Size (In.) 23-3/4 x 23-3/4
  • Outside Flange (In.) 23-3/4 x 23-3/4
  • Max. Velocity (FPM) 2,000 fpm
See all product information

Product Information

Dimensions

Damper Size (In.) 23-3/4 x 23-3/4
Overall Size (In.) 23-3/4 x 23-3/4
Overall Length 4 1/2 in
Overall Height 23 3/4 in
Overall Width 23 3/4 in
Rough Opening Width 24 in
For Nominal Duct Diameter 24 in
Fits Fan Diameter 24 in
Frame Depth 2 in
Rough Opening Diameter 24 in
Rough Opening Length 24 in

Details

Item 23.75"H-W 4.5"L Alu Univ Backdraft Dampr
Type No Flange, Horizontal or Vertical Mount
Outside Flange (In.) 23-3/4 x 23-3/4
Max. Velocity (FPM) 2,000 fpm
Includes Pre-Punched Conduit Hole Knock-Out; Felted Edges for Quiet Operation
Construction Material G-90 Galvanized Steel Frame and Aluminum Blades
Blade Orientation Parallel Blades
Blade Seal Material Felt
Damper Application Backdraft
For Duct Shape Square
Opening Type Motorized
Damper Finish Mill Finish
Switch Action Normally Closed
Counterbalanced No
Damper Type Dynamic
Minimum Ambient Temperature -40 Degrees F
Free Area 3.6 sq ft
Airflow Direction Horizontal; Vertical
Frame Material Galvanized Steel
Frame Material Thickness 20 ga
Flange Type None
Maximum Ambient Temperature 180 Degrees F
Closure Type Gravity
Maximum Pressure 1 in wc
Number of Panels 1
Closure Velocity Rating 2,000 fpm
Blade Material Aluminum
Single Acting/Double Acting Single Acting
Rough Opening Shape Square
Bushing Material Nylon
Mounting Position Horizontal; Vertical
Blade Material Thickness 26 ga
Frame Less Flange 23 3/4
Maximum Air Velocity 2000 fpm
Series 411
Blade Type Flat Blade

Description

23.75 In.H-W 4.5 In.L Alu Univ Backdraft Dampr, Damper Application Backdraft, For Nominal Duct Diameter 24 in, Frame Material Galvanized Steel, Number of Panels 1, Maximum Air Velocity 2000 fpm, Overall Height 23 3/4 in, Rough Opening Diameter 24 in, Rough Opening Shape Square, Fits Fan Diameter 24 in, For Duct Shape Square, Free Area 3.6 sq ft, Overall Width 23 3/4 in, Frame Material Thickness 20 ga, Overall Length 4 1/2 in, Frame Depth 2 in, Rough Opening Length 24 in, Maximum Pressure 1 in wc

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