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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 | Aluminum |
| Frame Material Thickness | 4/5" |
| 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 |
| Action | Single Acting |
| Airflow Direction | Horizontal |
| Closure Velocity Rating | 2500 FPM |
| Color | White |
| Fits Fan Diameter | 20" |
| Free Area | 2.3 sq. ft. |
| Maximum Ambient Temperature | 180°F |
| Maximum Pressure | 1 in. wc |
| Minimum Ambient Temperature | -40°F |
| Mounting Hole Diameter | 1/4" |
| Mounting Location | Wall |
| Overall Diameter | 23" |
| Series | EAS Series |
| Switch Action | Normally Closed |
| Tie-rod Material | Galvanized Steel Frame and Tie Rods |
| Ship weight (kg) | 2.84 |
| Ship height (cm) | 58.42 |
| Ship length (cm) | 14.61 |
| Ship width (cm) | 58.42 |
| HS code | 8414901080 |
| Country of Origin | US |
| Product | Model | Flange Width | Frame Depth | Frame Material | Free Area | Opening Required | Type | Price | |
|---|---|---|---|---|---|---|---|---|---|
|
3C308 | 1.5" | 2-1/2" | - | 3.320 Square-Ft. | 24-1/2 x 24-1/2" | Gravity Operated, Single Panel | €142.41 | |
|
3C309 | 1.5" | 3" | - | 5.452 Square-Ft. | 30-1/2 x 30-1/2" | Gravity Operated, Single Panel | €173.40 | |
|
3C310 | 1.5" | 3" | - | 7.436 Square-Ft. | 36-1/2 x 36-1/2" | Gravity Operated, Single Panel | €236.88 | |
 |
3C311 | 1.5" | 3" | - | 10.253 Square-Ft. | 42-1/2 x 42-1/2" | Gravity Operated, Double Panel | €340.99 | |
 |
3C312 | 1.5" | 3" | - | 12.924 Square-Ft. | 48-1/2 x 48-1/2" | Gravity Operated, Double Panel | €393.13 | |
|
3C313 | 1.5" | 3" | - | 17.007 Square-Ft. | 54-1/2 x 54-1/2" | Gravity Operated, Double Panel | €552.89 | |
|
3C314 | 1.5" | 3" | - | 20.399 Square-Ft. | 60-1/2 x 60-1/2" | Gravity Operated, Double Panel | €691.84 | RFQ
|
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