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18 in 21"H-W 5 1/4"L SS Backdraft Dampr, 18-1/2 in x 18-1/2 in, Stainless Steel

  • Mfr # 4FZJ6
  • Zoro # G3445601
product price: 
$
309.99
/ea
Free Shipping & Returns

Key Features

Shutter Mounting Position
Vertical
Shutter Mounting Location
Wall
Shutter Construction Material
Stainless Steel Frame and 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

Details

MFR #
4FZJ6
Zoro #
G3445601
UPC #
190735324479
Country of Origin
United States
Item
21"H-W 5 1/4"L SS Backdraft Dampr
Shutter Mounting Position
Vertical
Shutter Mounting Location
Wall
Shutter Construction Material
Stainless Steel Frame and Tie Rods
Shutter Free Area
2.043 sq ft
Shutter Opening Required
18-1/2 in x 18-1/2 in
Blade Material
Stainless Steel
Max. Velocity
2500 FPM
Type
Gravity Operated, Single Panel
Number of Panels
1
Frame Opening B
18 in
For Use With
Vertical Mounted Exhaust Fans
Shutter Overall Square
21" x 21"
Shutter Item
Backdraft Damper / Wall Shutter
Frame Opening A
18 in
Includes
Stainless Steel Frame; Louvers and Hardware For Superior Corrosion Resistance
Mounting Position
Vertical
Free Area
1.9 sq ft
Maximum Pressure
1 in wc
Single Acting/Double Acting
Single Acting
Airflow Direction
Horizontal
Counterbalanced
No
Blade Seal Material
Felt
Frame Less Flange
18
Closure Type
Gravity
Damper Application
Backdraft
Rough Opening Shape
Square
Damper Type
Static
Tie-Rod Material
Stainless Steel Frame and Tie Rods
Bushing Material
Stainless Steel
Blade Orientation
Parallel Blades
Flange Type
Rear Flange
Blade Type
Flat Blade
Switch Action
Normally Closed
Closure Velocity Rating
2,500 fpm
Maximum Ambient Temperature
180 Degrees F
Maximum Air Velocity
2500 fpm
Frame Material
Stainless Steel

Description

21 In.H-W 5 1/4 In.L SS Backdraft Dampr, Damper Application Backdraft, For Nominal Duct Diameter Not Applicable, Frame Material Stainless Steel, Number of Panels 1, Maximum Air Velocity 2500 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 1.9 sq ft, Overall Width 21 in, Frame Material Thickness 0 in, Overall Length 5 1/4 in, Connection Type Not Applicable, Frame Depth 2 in

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