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18 in 21"H-W 6.5"L Extrd Alu Backdraft Dampr, 18-1/2 in x 18-1/2 in, Aluminum

  • Mfr # 4FZH5

  • Zoro # G0646904

product price:  $136.99
/ea
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Key Features

Shutter Mounting Position
Vertical
Shutter Mounting Location
Wall
Shutter Construction Material
Extruded Aluminum Frame and Stainless Steel Tie Rods
Shutter Free Area
2.043 sq ft
Shutter Opening Required
18-1/2 in x 18-1/2 in
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Specifications

Product Information

MFR #
4FZH5
Zoro #
G0646904
UPC #
190735324370
Country of Origin
United States

Dimensions

Shutter Overall Size
21 in x 21 in
Fits Fan Dia.
18 in
Frame Depth
3 in
Flange Width
1 1/2 in
Open Depth
6 1/4 in
Mounting Hole Size
Prepunched
Overall Length
6 1/2 in
Rough Opening Width
18.5 in
Overall Diameter
21 in
Mounting Hole Diameter
1/4 in
Rough Opening Length
18 1/2 in
Frame Opening Width
18 1/2 in
Overall Width
21 in
Frame Material Thickness
0.8 in
Overall Height
21 in
Fits Fan Diameter
18 in
Frame Opening Height
18 1/2 in
Blade Material Thickness
0.8 in
Rough Opening Diameter
18 1/2 in
Wire Rope Length
6 1/2 in

Details

Item
21"H-W 6.5"L Extrd Alu Backdraft Dampr
Shutter Mounting Position
Vertical
Shutter Mounting Location
Wall
Shutter Construction Material
Extruded Aluminum Frame and Stainless Steel Tie Rods
Shutter Free Area
2.043 sq ft
Shutter Opening Required
18-1/2 in x 18-1/2 in
Blade Material
Aluminum
Max. Velocity
3000 fpm
Type
Gravity Operated, Single Panel
Shutter Overall Square
21" x 21"
Shutter Item
Backdraft Damper / Wall Shutter
For Use With
Vertical Mounted Exhaust Fans
Frame Opening B
18 in
Number of Panels
1
Frame Opening A
18 in
Includes
Extruded Aluminum Louvers
Mounting Position
Vertical
Free Area
2 sq ft
Maximum Air Velocity
3250 fpm
Series
EAS-HDGS
Maximum Pressure
1 in wc
Opening Type
Gravity
Maximum Ambient Temperature
180 Degrees F
Flange Type
Rear Flange
Rough Opening Shape
Square
Bushing Material
Stainless Steel
Damper Finish
Mill Finish
Tie-Rod Material
Stainless Steel Frame and Tie Rods
Damper Application
Backdraft
Closure Velocity Rating
3,250 fpm
Switch Action
Normally Closed
Closure Type
Gravity
Blade Orientation
Parallel Blades
Blade Seal Material
Felt
Airflow Direction
Horizontal
Single Acting/Double Acting
Single Acting
Blade Type
Flat Blade
Damper Type
Static
Frame Less Flange
18
Frame Material
Aluminum
Counterbalanced
No

Description

21 In.H-W 6.5 In.L Extrd Alu Backdraft Dampr, Damper Application Backdraft, For Nominal Duct Diameter Not Applicable, Frame Material Aluminum, Number of Panels 1, Maximum Air Velocity 3250 fpm, Overall Height 21 in, Rough Opening Diameter 18 1/2 in, Rough Opening Shape Square, Fits Fan Diameter 18 in, For Duct Shape Not Applicable, Free Area 2 sq ft, Overall Width 21 in, Frame Material Thickness 0.8 in, Overall Length 6 1/2 in, Connection Type Not Applicable, Frame Depth 3 in

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