FREE delivery on orders over €150
Product Specifications:
| Item | Backdraft Damper |
| Action | Single Acting |
| Air Flow Direction | Horizontal |
| Airflow Direction | Horizontal, Vertical |
| 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 |
| Closure Velocity Rating | 2250 FPM |
| Connection Type | Not Applicable |
| Counterbalanced | Yes |
| Damper Finish | Mill Finish |
| Damper Size | 11" x 11" |
| Damper Size (in.) | 11 x 11 |
| Damper Type | Static |
| Fits Fan Dia. | 10" |
| Flange Type | Front Flange |
| Flange Width | 1 1/2" |
| For Duct Shape | Square |
| Frame Depth | 1 5/8" |
| Frame Less Flange | 11 |
| Frame Material | Aluminum |
| Frame Material Thickness | 0.1" |
| Free Area | 0.6 sq. ft. |
| Includes | Felted Edges For Quiet Operation |
| Max. Air Velocity | 2250 FPM |
| Max. Velocity | 2000 FPM |
| Maximum Ambient Temperature | 180°F |
| Maximum Pressure | 1 in. wc |
| Minimum Ambient Temperature | -40°F |
| Mounting Location | Wall |
| Mounting Position | Vertical |
| Number Of Panels | 1 |
| Opening Type | Spring |
| Overall Height | 13 3/4" |
| Overall Length | 4 1/2" |
| Overall Size | 13-3/4 x 13-3/4 In. |
| 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" |
| Series | CWV Series |
| Single Acting/double Acting | Single Acting |
| Switch Action | NC |
| Tie-rod Material | Galvanized Steel Frame And Tie Rods |
| Type | Supply, Wall Mount |
| Use W/dayton Ventilators | 4HZ42, 4HZ43 |
Shipping Info:
| 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 Variants
| Model | Mounting Location | Mounting Position | Frame Material | Flange Type | Flange Width | Number Of Panels | Free Area | Rough Opening Length | Price | |
|---|---|---|---|---|---|---|---|---|---|---|
| 3TZ50 | Ceiling | Horizontal | Galvanized Steel | Rear Flange | 1" | 1 | 0.4 sq. ft. | 10" | €67.56 | |
| 4HX71 | Ceiling | Horizontal | Galvanized Steel | Rear Flange | 1" | 1 | 15.4 sq. ft. | 49 1/2" | €343.84 | |
| 60P625 | - | - | - | - | - | - | - | - | €964.62 | |
| 50K327 | - | - | - | - | - | - | - | - | €863.68 | |
| 50K329 | - | - | - | - | - | - | - | - | €445.24 | |
| 50K332 | - | - | - | - | - | - | - | - | €1,190.11 | |
| 50K328 | - | - | - | - | - | - | - | - | €1,027.42 |
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Contact us
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We're available Monday through Friday, from 07:30 until 17:00.
DAYTON 4HX33 Damper Backdraft
€86.78 /unit

