Wall Backdraft Damper, Vertical Mount, 24 in Dia Fan, 27 in H x 27 in W x 6-1/4 in D, 2000 fpm
| Item | 27"H-W 6"L Aluminum 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 | 3.33 sq ft |
| Shutter Opening Required | 24-1/2 in x 24-1/2 in |
| Shutter Overall Size | 27 in x 27 in |
| Fits Fan Dia. | 24 in |
| Blade Material | Aluminum |
| Max. Velocity | 2,000 fpm |
| Type | Gravity Operated, Single Panel |
| Frame Opening A | 24 in |
| Shutter Item | Backdraft Damper / Wall Shutter |
| Frame Opening B | 24 in |
| Shutter Overall Square | 27" x 27" |
| Mounting Hole Size | Prepunched |
| Number of Panels | 1 |
| Frame Depth | 2-1/4 in |
| For Use With | Vertical Mounted Exhaust Fans |
| Open Depth | 6-1/4 in |
| Flange Width | 1-1/2 in |
| Includes | Felted Louvers for Quiet Operation |
| Mounting Position | Vertical |
| Free Area | 3.3 sq ft |
| Blade Material Thickness | 26 ga |
| Damper Finish | Mill Finish |
| Damper Type | Static |
| For Duct Shape | Not Applicable |
| Maximum Pressure | 1 in wc |
| Blade Seal Material | Felt |
| ACMA Leakage Class | Not Applicable |
| For Fuel Type | Not Applicable |
| Switch Action | Normally Closed |
| Closure Type | Gravity |
| Pressure Drop @ 1000 fpm (AMCA 5.2) | Not Applicable |
| Flange Type | Rear Flange |
| Maximum Ambient Temperature | 180 Degrees F |
| Frame Material | Galvanized Steel |
| Frame Less Flange | 24 |
| Single Acting/Double Acting | Single Acting |
| Bushing Material | Nylon; Stainless Steel |
| Overall Width | 27 in |
| Connection Type | Not Applicable |
| Counterbalanced | No |
| For Nominal Duct Diameter | Not Applicable |
| Rough Opening Diameter | 24-1/2 in |
| Blade Orientation | Parallel Blades |
| Rough Opening Width | 24-1/2 in |
| Rough Opening Length | 24-1/2 in |
| Rough Opening Shape | Square |
| Seal Material | Not Applicable |
| Airflow Direction | Horizontal |
| Series | 502 |
| Fits Fan Diameter | 24 in |
| Blade Type | Flat Blade |
| Damper Application | Backdraft |
| Overall Diameter | 27 in |
| Maximum Air Velocity | 2,000 fpm |
| Overall Length | 6 in |
| Frame Material Thickness | 20 ga |
| Closure Velocity Rating | 2,000 fpm |
| Mounting Hole Diameter | 1/4 in |
| Tie-Rod Material | Tie Rods, Galvanized Steel Frame |
| Opening Type | Gravity |
| Overall Height | 27 in |
| Fusible Link Temperature | Not Applicable |
| Country of Origin (subject to change) | United States |
| Package Quantity | 1 |