18 in Backdraft Damper / Wall Shutter, 18-1/2 in x 18-1/2 in - 4FZH5

18 in Backdraft Damper / Wall Shutter, 18-1/2 in x 18-1/2 in - 4FZH5

Dayton
SKU:
4FZH5
|
UPC:
190735324370
Availability:
In Stock

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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
Additional Information
Country of Origin:
United States
Item:
21H-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
Shutter Overall Size:
21 in x 21 in
Fits Fan Dia.:
18 in
Blade Material:
Aluminum
Max. Velocity:
3000 fpm
Shutter Overall Square:
21 x 21""
Frame Depth:
3 in
Flange Width:
1 1/2 in
Shutter Item:
Backdraft Damper / Wall Shutter
For Use With:
Vertical Mounted Exhaust Fans
Open Depth:
6 1/4 in
Frame Opening B:
18 in
Mounting Hole Size:
Prepunched
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
Overall Length:
6 1/2 in
Rough Opening Width:
18.5 in
Overall Diameter:
21 in
Maximum Pressure:
1 in wc
Mounting Hole Diameter:
1/4 in
Rough Opening Length:
18 1/2 in
Opening Type:
Gravity
ACMA Leakage Class:
Not Applicable
Maximum Ambient Temperature:
180 Degrees F
For Duct Shape:
Not Applicable
Flange Type:
Rear Flange
Fusible Link Temperature:
Not Applicable
Frame Opening Width:
18 1/2 in
Rough Opening Shape:
Square
Bushing Material:
Stainless Steel
Damper Finish:
Mill Finish
For Nominal Duct Diameter:
Not Applicable
Tie-Rod Material:
Stainless Steel Frame and Tie Rods
Damper Application:
Backdraft
Overall Width:
21 in
Closure Velocity Rating:
3,250 fpm
Switch Action:
Normally Closed
Frame Material Thickness:
0.8 in
Seal Material:
Not Applicable
Overall Height:
21 in
Pressure Drop @ 1000 fpm (AMCA 5.2):
Not Applicable
Closure Type:
Gravity
Fits Fan Diameter:
18 in
Blade Orientation:
Parallel Blades
Frame Opening Height:
18 1/2 in
For Fuel Type:
Not Applicable
Blade Seal Material:
Felt
Airflow Direction:
Horizontal
Single Acting/Double Acting:
Single Acting
Blade Type:
Flat Blade
Damper Type:
Static
Frame Less Flange:
18
Blade Material Thickness:
0.8 in
Frame Material:
Aluminum
Rough Opening Diameter:
18 1/2 in
Connection Type:
Not Applicable
Counterbalanced:
No
Package Quantity:
1
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