24 in Backdraft Damper / Intake Shutter, 25 in x 25 in
| Item | 26.75"H-W 4.5"L Alu Intake Shutter Dampr |
|---|---|
| Shutter Mounting Position | Vertical |
| Shutter Mounting Location | Wall |
| Shutter Construction Material | Extruded Aluminum Frame and G-90 Galvanized Tie Rods |
| Shutter Free Area | 3.221 sq ft |
| Shutter Opening Required | 25 in x 25 in |
| Shutter Overall Size | 26-3/4 in x 26-3/4 in |
| Fits Fan Dia. | 24 in |
| Blade Material | Aluminum |
| Max. Velocity | 2250 FPM |
| Type | Gravity Operated, Single Panel |
| For Use With | Vertical Mounted Supply Fans |
| Flange Width | 1-3/8 in |
| Open Depth | 6 in |
| Number of Panels | 1 |
| Frame Opening A | 24 in |
| Mounting Hole Size | Prepunched |
| Frame Depth | 1-5/8 in |
| Shutter Item | Backdraft Damper / Intake Shutter |
| Frame Opening B | 24 in |
| Shutter Overall Square | 23" |
| Includes | Counterbalanced Louvers with Felted Edges |
| Mounting Position | Vertical, Horizontal |
| Free Area | 3.2 sq ft |
| Switch Action | Normally Closed |
| Flange Type | Front Flange |
| Frame Less Flange | 24.5 |
| Maximum Ambient Temperature | 180 Degrees F |
| Rough Opening Width | 25 in |
| Blade Orientation | Parallel Blades |
| Rough Opening Shape | Square |
| Maximum Pressure | 1 in wc |
| Tie-Rod Material | Tie Rods, Galvanized Steel Frame |
| Airflow Direction | Horizontal |
| Frame Material | Aluminum |
| Maximum Air Velocity | 2,250 fpm |
| Damper Finish | Baked Enamel |
| Rough Opening Length | 25 in |
| Single Acting/Double Acting | Single Acting |
| Seal Material | Not Applicable |
| Blade Seal Material | Felt |
| Mounting Style | Flush Mount |
| Blade Type | Flat Blade |
| For Fuel Type | Not Applicable |
| Rough Opening Diameter | 25 in |
| Damper Type | Dynamic |
| Mounting Hole Diameter | 1/4 in |
| Closure Velocity Rating | 2,250 fpm |
| For Duct Shape | Not Applicable |
| Overall Height | 26-3/4 in |
| ACMA Leakage Class | Not Applicable |
| Pressure Drop @ 1000 fpm (AMCA 5.2) | Not Applicable |
| Color | White |
| Fits Fan Diameter | 24 in |
| Overall Diameter | Not Applicable |
| For Nominal Duct Diameter | Not Applicable |
| Connection Type | Not Applicable |
| Frame Material Thickness | 0.1 in |
| Bushing Material | Stainless Steel |
| Fusible Link Temperature | Not Applicable |
| Overall Width | 26-3/4 in |
| Closure Type | Spring |
| Overall Length | 4-1/2 in |
| Opening Type | Spring |
| Blade Material Thickness | 26 ga |
| Counterbalanced | Yes |
| Country of Origin (subject to change) | United States |
| Package Quantity | 1 |