18 in Backdraft Damper / Wall Shutter, 18-1/2 in x 18-1/2 in - 1C744

Name: 18 in Backdraft Damper / Wall Shutter, 18-1/2 in x 18-1/2 in - 1C744
Brand: Dayton
SKU: 1C744
Price: 84.7 USD
Availability: InStock

Dayton

SKU:

1C744

UPC:

190735131725

Availability:

In Stock

(No reviews yet)

21 In.H-W 5.75 In.L Alu Wall Backdraft Dampr, Damper Application Backdraft, For Nominal Duct Diameter Not Applicable, Frame Material Galvanized 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 2 sq ft, Overall Width 21 in, Frame Material Thickness 20 ga, Overall Length 5 3/4 in, Connection Type Not Applicable, Frame Depth 2 1/2 in

Country of Origin:: United States
Item:: 21H-W 5.75"L Alu Wall Backdraft Dampr"
Shutter Mounting Position:: Vertical
Shutter Mounting Location:: Wall
Shutter Construction Material:: G-90 Galvanized Steel Frame and 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:: 2500 FPM
Shutter Item:: Backdraft Damper / Wall Shutter
Number of Panels:: 1
Flange Width:: 1 1/2 in
Frame Opening B:: 18 in
For Use With:: Vertical Mounted Exhaust Fans
Mounting Hole Size:: Prepunched
Frame Depth:: 2 1/2 in
Frame Opening A:: 18 in
Open Depth:: 5 3/4 in
Shutter Overall Square:: 21 x 21""
Includes:: Prepunched Mounting Holes; Felt edged Counterbalanced Louvers; Weep Holes In Frame Bottom
Mounting Position:: Vertical
Overall Height:: 21 in
Overall Width:: 21 in
Overall Length:: 5 3/4 in
Free Area:: 2 sq ft
Counterbalanced:: Yes
Mounting Hole Diameter:: 1/4 in
Frame Opening Height:: 18 in
Rough Opening Length:: 18 1/2 in
Fusible Link Temperature:: Not Applicable
Switch Action:: Normally Closed
Frame Material:: Galvanized Steel
Closure Type:: Gravity
Overall Diameter:: 21 in
Rough Opening Diameter:: 18 1/2 in
Frame Opening Width:: 18 in
Frame Less Flange:: 18
Blade Material Thickness:: 26 ga
Connection Type:: Not Applicable
Single Acting/Double Acting:: Single Acting
Series:: 556
For Nominal Duct Diameter:: Not Applicable
Flange Type:: Rear Flange
Airflow Direction:: Horizontal
Tie-Rod Material:: Galvanized Steel Frame and Tie Rods
Frame Material Thickness:: 20 ga
Closure Velocity Rating:: 2,500 fpm
Damper Type:: Static
Rough Opening Shape:: Square
Maximum Ambient Temperature:: 180 Degrees F
Damper Application:: Backdraft
Blade Seal Material:: Felt
For Duct Shape:: Not Applicable
Bushing Material:: Stainless Steel
Blade Type:: Flat Blade
Seal Material:: Not Applicable
Fits Fan Diameter:: 18 in
ACMA Leakage Class:: Not Applicable
Opening Type:: Gravity
Blade Orientation:: Parallel Blades
Maximum Pressure:: 1 in wc
Pressure Drop @ 1000 fpm (AMCA 5.2):: Not Applicable
Damper Finish:: Mill Finish
For Fuel Type:: Not Applicable
Rough Opening Width:: 18.5 in
Maximum Air Velocity:: 2500 fpm
Package Quantity:: 1