Damper, Backdraft

  • Dayton
  • 17.75 In.H-W 4.5 In.L Aluminum Backdraft Dampr, Damper Application Backdraft, For Nominal Duct Diameter Not Applicable, Frame Material Aluminum, Number of Panels 1, Maximum Air Velocity 2250 fpm, Overall Height 17 3/4 in, Rough Opening Diameter 15 1/2 in, Rough Opening Shape Square, Fits Fan Diameter 12 in, For Duct Shape Square, Free Area 1.2 sq ft, Overall Width 17 3/4 in, Frame Material Thickness 0.1 in, Overall Length 4 1/2 in, Connection Type Not Applicable, Frame Depth 1 5/8 in

    graingerSKU: 4HX77, mscSKU: , zoro_no: G1225524, mongo_id: 65bbe79a9a749db82274903d

Web Price
$90.24 / each
Qty

Product Details

Not Applicable
Horizontal; Vertical
Aluminum Blade w/ Felt Seal
Aluminum
26 ga
Parallel Blades
Felt
Flat Blade
Stainless Steel
Gravity
2,250 fpm
Not Applicable
16-gauge Extruded Aluminum Frame, Aluminum Blades, Galvanized Steel Tie Rods and Stainless Steel Hardware
Yes
United States
Backdraft
Mill Finish
15 x 15
Static
12 in
Front Flange
1 1/2 in
1 3/8 in
Square
Not Applicable
Not Applicable
1 5/8 in
15
Aluminum
0.1 in
1.2 sq ft
Not Applicable
Felted Edges for Quiet Operation
2,000 fpm
2250 fpm
180 Degrees F
1 in wc
-40 Degrees F
Vertical
1
Spring
17-3/4 x 17-3/4
Not Applicable
17 3/4 in
4 1/2 in
17-3/4 x 17-3/4
17 3/4 in
1
Not Applicable
15 1/2 in
14 1/2 in x 15.5 in
14 1/2 in
Square
15.5 in
Not Applicable
CWV
Single Acting
Normally Closed
Galvanized Steel Frame and Tie Rods
Wall Mount, Supply
4HZ58, 4HZ59

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