| Item | Wall Backdraft Damper |
| Shutter Mounting Position | Vertical |
| Shutter Mounting Location | Wall |
| Shutter Construction Material | G-90 Galvanized Steel Frame and Tie Rods |
| Shutter Free Area | 2.527 sq ft |
| Shutter Opening Required | 22-1/2 in x 22-1/2 in |
| Shutter Overall Size | 25 in x 25 in |
| Fits Fan Dia. | 20 in |
| Blade Material | Aluminum |
| Max. Velocity | 2500 FPM |
| Width | 25 in |
| Number of Panels | 1 |
| Frame Depth | 2 1/4 in |
| Flange Width | 1 1/2 in |
| Shutter Item | Backdraft Damper / Wall Shutter |
| For Use With | Vertical Mounted Exhaust Fans |
| Frame Opening A | 22 in |
| Open Depth | 6 1/4 in |
| Frame Opening B | 22 in |
| Mounting Hole Size | 9/64 in |
| Length | 25 in |
| Includes | Felted Louvers for Quiet Operation |
| Mounting Position | Vertical |
| Rough Opening Dims | 22 1/2 in x 22.5 in |
| Blade | Aluminum Blade w/ Felt Seal |
| Airflow Direction | Horizontal |
| Overall Width | 25 in |
| Damper Application | Backdraft |
| Frame Less Flange | 22 |
| Rough Opening Shape | Square |
| Counterbalanced | No |
| Maximum Pressure | 1 in wc |
| Overall Height | 25 in |
| Closure Velocity Rating | 2,000 fpm |
| Fusible Link Temperature | Not Applicable |
| Bushing Material | Nylon, Stainless Steel |
| Mounting Hole Diameter | 1/4 in |
| Series | 502 |
| Maximum Ambient Temperature | 180 Degrees F |
| Pressure Drop @ 1000 fpm (AMCA 5.2) | Not Applicable |
| Overall Length | 6 in |
| Connection Type | Not Applicable |
| Rough Opening Diameter | 22 1/2 in |
| Single Acting/Double Acting | Single Acting |
| For Nominal Duct Diameter | Not Applicable |
| Rough Opening Length | 22 1/2 in |
| ACMA Leakage Class | Not Applicable |
| Frame Material Thickness | 20 ga |
| Switch Action | Normally Closed |
| Fits Fan Diameter | 20 in |
| Tie-Rod Material | Galvanized Steel Frame and Tie Rods |
| Closure Type | Gravity |
| Blade Type | Flat Blade |
| For Duct Shape | Not Applicable |
| Free Area | 2.5 sq ft |
| Opening Type | Gravity |
| Blade Orientation | Parallel Blades |
| Rough Opening Width | 22.5 in |
| Damper Type | Static |
| Frame Material | Galvanized Steel |
| Overall Diameter | 25 in |
| For Fuel Type | Not Applicable |
| Blade Material Thickness | 26 ga |
| Flange Type | Rear Flange |
| Blade Seal Material | Felt |
| Seal Material | Not Applicable |
| Maximum Air Velocity | 2000 fpm |
| Damper Finish | Mill Finish |
| Country of Origin (subject to change) | United States |
| Package Quantity | 1 |
20 in Backdraft Damper / Wall Shutter, 22-1/2 in x 22-1/2 in, DAYTON, Mfr# 53DR20
$68,35
Free shipping will be applied on orders over $50
25 In.H-W 6 In.L Aluminum Backdraft Damper, Damper Application Backdraft, For Nominal Duct Diameter Not Applicable, Frame Material Galvanized Steel, Number of Panels 1, Maximum Air Velocity 2000 fpm, Overall Height 25 in, Rough Opening Diameter 22 1/2 in, Rough Opening Shape Square, Fits Fan Diameter 20 in, For Duct Shape Not Applicable, Free Area 2.5 sq ft, Overall Width 25 in, Frame Material Thickness 20 ga, Overall Length 6 in, Connection Type Not Applicable, Frame Depth 2 1/4 in
9999 in stock
Must order in multiples of 1
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$68.35
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-$6.93
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$230,99
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