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Damper, Backdraft

  • Mfr # 4HX72

  • Zoro # G1792847

product price:  $39.39
/ea

Key Features

Type
Wall Mount, Supply
Damper Size (In.)
8 x 8
Overall Size (In.)
10-3/4 x 10-3/4
Outside Flange (In.)
10-3/4 x 10-3/4
Max. Velocity (FPM)
2,000 fpm
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Specifications

Product Information

MFR #
4HX72
Zoro #
G1792847
UPC #
190735325964
Country of Origin
United States

Dimensions

Damper Size (In.)
8 x 8
Overall Size (In.)
10-3/4 x 10-3/4
Flange Width (In.)
1 3/8 in
Rough Opening Length
8 in
Overall Length
4 1/2 in
Fits Fan Diameter
8 in
Flange Width
1 1/2 in
Frame Depth
1 5/8 in
Frame Material Thickness
0.1 in
Rough Opening Width
8 in
Overall Height
10 3/4 in
Overall Width
10 3/4 in
Blade Material Thickness
26 ga
Wire Rope Length
4 1/2 in

Details

Item
10.75"H-W 4.5"L Aluminum Backdraft Dampr
Type
Wall Mount, Supply
Outside Flange (In.)
10-3/4 x 10-3/4
Max. Velocity (FPM)
2,000 fpm
Use w/Dayton Ventilators
4HZ34, 4HZ35
Includes
Felted Edges for Quiet Operation
Construction Material
16-gauge Extruded Aluminum Frame, Aluminum Blades, Galvanized Steel Tie Rods and Stainless Steel Hardware
Opening Type
Spring
Damper Type
Static
Frame Material
Aluminum
Blade Type
Flat Blade
Closure Type
Gravity
Closure Velocity Rating
2,250 fpm
Bushing Material
Stainless Steel
Blade Material
Aluminum
Switch Action
Normally Closed
Single Acting/Double Acting
Single Acting
Mounting Position
Vertical
Minimum Ambient Temperature
-40 Degrees F
Blade Seal Material
Felt
Blade Orientation
Parallel Blades
Maximum Ambient Temperature
180 Degrees F
Maximum Air Velocity
2250 fpm
Tie-Rod Material
Galvanized Steel Frame and Tie Rods
Number of Panels
1
Airflow Direction
Horizontal; Vertical
For Duct Shape
Square
Damper Finish
Mill Finish
Rough Opening Shape
Square
Maximum Pressure
1 in wc
Damper Application
Backdraft
Free Area
0.3 sq ft
Frame Less Flange
8
Series
CWV
Counterbalanced
Yes
Flange Type
Front Flange

Description

10.75 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 10 3/4 in, Rough Opening Diameter Not Applicable, Rough Opening Shape Square, Fits Fan Diameter 8 in, For Duct Shape Square, Free Area 0.3 sq ft, Overall Width 10 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

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