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Product Specifications:
| Item | Backdraft Damper |
| Action | Single Acting |
| Air Flow Direction | Vertical |
| Application | Backdraft |
| Blade Material | Aluminum |
| Blade Orientation | Parallel Blades |
| Blade Seal Material | Felt |
| Blade Type | Flat Blade |
| Closure Type | Gravity |
| Closure Velocity Rating | 2000 FPM |
| Counterbalanced | No |
| Damper Size (in.) | 9-1/2 x 9-1/2 |
| Damper Type | Static |
| Fits Fan Dia. | 10" |
| Flange Type | Rear Flange |
| Flange Width | 1" |
| For Duct Shape | Square |
| Frame Depth | 2" |
| Frame Material | Galvanized Steel |
| Frame Material Grade | Grade-90 |
| Frame Material Thickness | 20 ga. |
| Free Area | 0.4 sq. ft. |
| Includes | Pre-Punched Conduit Hole Knock-Out |
| Max. Air Velocity | 2000 FPM |
| Max. Velocity | 2000 FPM |
| Maximum Ambient Temperature | 180°F |
| Maximum Pressure | 1 in. wc |
| Mounting Location | Ceiling |
| Mounting Position | Horizontal |
| Number Of Panels | 1 |
| Overall Height | 11 1/2" |
| Overall Length | 4 1/2" |
| Overall Size | 11-1/2 x 11-1/2 In. |
| Overall Width | 11 1/2" |
| Rough Opening Dia. | 10" |
| Rough Opening Length | 10" |
| Rough Opening Shape | Square |
| Rough Opening Width | 10" |
| Single Acting/double Acting | Single Acting |
| Switch Action | NC |
| Type | Exhaust, Roof Mount |
Shipping Info:
| Ship weight (kg) | 1.8 |
| Ship height (cm) | 29.21 |
| Ship length (cm) | 11.43 |
| Ship width (cm) | 29.21 |
| HS code | 8414901080 |
| Country of Origin | US |
Product Variants
| Product | Model | Mounting Location | Mounting Position | Frame Material | Flange Type | Flange Width | Number Of Panels | Free Area | Rough Opening Length | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
4HX33 | Wall | Vertical | Aluminum | Front Flange | 1 1/2" | 1 | 0.6 sq. ft. | 10 1/2" | €86.78 | |
![]() |
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 3TZ50 Damper Roof Mount Exhaust Only 11 1/2 Sq
€67.56 /unit

