Backdraft Damper, Horizontal, 33-3/4Sq

  • Dayton
  • 33.75 In.H-W 4.5 In.L Aluminum Backdraft Dampr, Damper Application Backdraft, For Nominal Duct Diameter 34 in, Frame Material Galvanized Steel, Number of Panels 1, Maximum Air Velocity 2250 fpm, Overall Height 33 3/4 in, Rough Opening Diameter 34 in, Rough Opening Shape Square, Fits Fan Diameter 34 in, For Duct Shape Square, Free Area 7.7 sq ft, Overall Width 33 3/4 in, Frame Material Thickness 20 ga, Overall Length 4 1/2 in, Frame Depth 2 in, Rough Opening Length 34 in, Maximum Pressure 1 in wc

    graingerSKU: 3HHL9, mscSKU: , zoro_no: G1145216, mongo_id: 65bbe7c93aaddbd5a90b710c

Web Price
$172.49 / each
Qty

Product Details

Not Applicable
Horizontal; Vertical
Aluminum Blade w/ Felt Seal
Aluminum
26 ga
Parallel Blades
Felt
Flat Blade
Nylon
Spring
2,000 fpm
G-90 Galvanized Steel Frame and Aluminum Blades
Yes
United States
Backdraft
Mill Finish
33-3/4 x 33-3/4
Dynamic
34 in
None
Not Applicable
Square
Not Applicable
34 in
2 in
33 3/4
Galvanized Steel
20 ga
7.7 sq ft
Not Applicable
Pre-Punched Conduit Hole Knock-Out; Felted Edges for Quiet Operation
2,000 fpm
2250 fpm
180 Degrees F
1 in wc
-40 Degrees F
Horizontal; Vertical
1
Motorized
33-3/4 x 33-3/4
Not Applicable
33 3/4 in
4 1/2 in
33 3/4 x 33 3/4
33 3/4 in
1
Not Applicable
34 in
34 in x 34 in
34 in
Square
34 in
Not Applicable
611
Single Acting
Normally Closed
No Flange, Horizontal Mount

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