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| Item | Backdraft Damper |
| Air Flow Direction | Horizontal |
| Application | Backdraft |
| 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 |
| Connection Type | Not Applicable |
| Counterbalanced | Yes |
| Damper Finish | Mill Finish |
| Damper Size | 11" x 11" |
| Damper Type | Static |
| Fits Fan Dia. | 10" |
| Flange Type | Front Flange |
| Flange Width | 1 1/2" , 1 3/8" |
| For Duct Shape | Square |
| Frame Depth | 1 5/8" |
| Frame Material | Aluminum |
| Frame Material Thickness | 0.1" |
| Includes | Felted Edges For Quiet Operation |
| Max. Air Velocity | 2250 FPM |
| Max. Velocity | 2000 FPM |
| Mounting Position | Vertical |
| Opening Type | Spring |
| Overall Height | 13 3/4" |
| Overall Length | 4 1/2" |
| Overall Width | 13 3/4" |
| Rough Opening Dia. | 11 1/2" |
| Rough Opening Length | 10 1/2" |
| Rough Opening Shape | Square |
| Rough Opening Width | 11 1/2" |
| Single Acting/double Acting | Single Acting |
| Type | Supply, Wall Mount |
| Action | Single Acting |
| Airflow Direction | Horizontal, Vertical |
| Closure Velocity Rating | 2250 FPM |
| Fits Fan Diameter | 10" |
| Frame Less Flange | 11 |
| Free Area | 0.6 sq. ft. |
| Maximum Air Velocity | 2250 FPM |
| Maximum Ambient Temperature | 180°F |
| Maximum Pressure | 1 in. wc |
| Minimum Ambient Temperature | -40°F |
| Mounting Location | Wall |
| Number Of Panels | 1 |
| Rough Opening Diameter | 11 1/2" |
| Series | CWV Series |
| Switch Action | Normally Closed |
| Tie-rod Material | Galvanized Steel Frame and Tie Rods |
| Ship weight (kg) | 1.19 |
| Ship height (cm) | 34.93 |
| Ship length (cm) | 11.43 |
| Ship width (cm) | 34.93 |
| HS code | 7610900080 |
| Country of Origin | US |
| Product | Model | Flange Width | Material | Max. Velocity | Type | Price | |
|---|---|---|---|---|---|---|---|
 |
3TZ50 | 1" | G-90 Galvanized Steel Frame, Aluminum Blades, Stainless Steel Pivot Pins, Nylon Bushings and Galvanized Steel Tie Rods. | 2000 fpm | Roof Mount, Exhaust | €59.20 | |
|
4HX71 | 1" | G-90 Galvanized Steel Frame, Aluminum Blades, Stainless Steel Pivot Pins, Nylon Bushings and Galvanized Steel Tie Rods. | 2250 fpm | Roof Mount, Exhaust | €303.91 | |
 |
50K327 | - | - | - | - | €842.61 | |
|
50K328 | - | - | - | - | €1,002.37 | |
|
50K329 | - | - | - | - | €405.42 | |
|
50K332 | - | - | - | - | €1,161.09 | |
 |
53DR10 | - | - | - | - | €95.48 |
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