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| Item | Backdraft Damper/Wall Shutter |
|---|---|
| Air Flow Direction | Horizontal |
| Blade Material | Aluminum |
| Blade Material Thickness | 26 ga. |
| Blade Orientation | Parallel Blades |
| Blade Seal Material | Felt |
| Blade Type | Flat Blade |
| Bushing Material | Stainless Steel |
| Closure Type | Gravity |
| Counterbalanced | Yes |
| Damper Application | Backdraft |
| Damper Finish | Mill Finish |
| Damper Type | Static |
| Fits Fan Dia. | 20" |
| Flange Type | Rear Flange |
| Flange Width | 1 1/2" |
| For Use With | Vertical Mounted Exhaust Fans |
| Frame Depth | 2 1/2" |
| Frame Less Flange | 20 |
| Frame Material Thickness | 20 ga. |
| Frame Opening A | 20" |
| Frame Opening B | 20" |
| Frame Opening Height | 20" |
| Frame Opening Width | 20" |
| Includes | Prepunched Mounting Holes |
| Max. Velocity | 2500 FPM |
|---|---|
| Maximum Air Velocity | 2500 FPM |
| Mounting Hole Di. | 1/4" |
| Mounting Hole Size | 9/32" x 1/2" |
| Mounting Position | Vertical |
| Number Of Panels | 1 |
| Open Depth | 5 3/4" |
| Opening Required | 20 1/2" x 20 1/2" |
| Opening Type | Gravity |
| Overall Dia. | 23" |
| Overall Height | 23" |
| Overall Length | 5 3/4" |
| Overall Square | 23" |
| Overall Width | 23" |
| Rough Opening Diameter | 20 1/2" |
| Rough Opening Length | 20 1/2" |
| Rough Opening Shape | Square |
| Rough Opening Width | 20 1/2" |
| Shutter Mounting Location | Wall |
| Shutter Mounting Position | Vertical |
| Shutter Opening Required | 20 1/2" x 20 1/2" |
| Shutter Overall Size | 23" x 23" |
| Single Acting/double Acting | Single Acting |
| Type | Gravity Operated Single Panel |
| Height (cm) | 58.42 |
|---|---|
| Length (cm) | 14.6 |
| Width (cm) | 58.42 |
| HS Code | 8414901080 |
|---|---|
| Country Of Origin | US |
| Weight (kg) | 3.8475 |
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