DAYTON 3HHL8 Backdraft Damper Vertical/horizontal Mounting 29 3/4sq
Get it by Thursday, Jul 2
5.00% off
€149.86 /unit
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Product Specifications:
| Item | Backdraft Exhaust Damper |
| Action | Single Acting |
| 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 | Nylon |
| Closure Type | Spring |
| Closure Velocity Rating | 2000 FPM |
| Counterbalanced | No |
| Damper Finish | Mill Finish |
| Damper Size (in.) | 29-3/4 x 29-3/4 |
| Damper Type | Dynamic |
| Fits Fan Dia. | 30" |
| For Duct Shape | Square |
| For Nominal Duct Dia. | 30" |
| Frame Depth | 2" |
| Frame Material | Galvanized Steel |
| Frame Material Thickness | 20 ga. |
| Free Area | 6 sq. ft. |
| Included | Pre-Punched Conduit Hole Knock-Out |
| Max. Air Velocity | 2000 FPM |
| Max. Ambient Temp. | 180°F |
| Max. Pressure | 1 in. wc |
| Max. Velocity | 2000 FPM |
| Min. Ambient Temp. | -40°F |
| Mounting Location | Ceiling, Wall |
| Mounting Position | Horizontal, Vertical |
| No. Of Panels | 1 |
| Opening Type | Motorized |
| Overall Height | 29 3/4" |
| Overall Length | 4 1/2" |
| Overall Size | 29-3/4 x 29-3/4 In. |
| Overall Width | 29 3/4" |
| Rough Opening Dia. | 30" |
| Rough Opening Length | 30" |
| Rough Opening Shape | Square |
| Rough Opening Width | 30" |
| Series | 411 Series |
| Single Acting/double Acting | Single Acting |
| Switch Action | Normally Closed |
| Type | Horizontal Or Vertical Mount, No Flange |
Shipping Info:
| Ship weight (kg) | 3.54 |
| Ship height (cm) | 75.57 |
| Ship length (cm) | 11.43 |
| Ship width (cm) | 75.57 |
| HS code | 8414901080 |
| Country of Origin | US |
Product Variants
| Model | Max. Air Velocity | Rough Opening Length | Rough Opening Width | Overall Width | Free Area | Overall Height | Rough Opening Dia. | Fits Fan Dia. | Price | |
|---|---|---|---|---|---|---|---|---|---|---|
| 3HHL4 | 2000 FPM | 8" | 8" | 7 3/4" | - | 7 3/4" | 8" | 8" | €54.95 | |
| 3HHL5 | 2000 FPM | 16" | 16" | 15 3/4" | 1.6 sq. ft. | 15 3/4" | 16" | 16" | €91.11 | |
| 3HHL6 | 2000 FPM | 20" | 20" | 19 3/4" | 2.5 sq. ft. | 19 3/4" | 20" | 20" | €110.82 | |
| 3HHL7 | 2000 FPM | 28" | 28" | 27 3/4" | 4.9 sq. ft. | 27 3/4" | 28" | 28" | €139.37 | |
| 3HHL9 | 2250 FPM | 34" | 34" | 33 3/4" | 7.7 sq. ft. | 33 3/4" | 34" | 34" | €198.04 | |
| 3HHN1 | 2250 FPM | 36" | 36" | 35 3/4" | 8.2 sq. ft. | 35 3/4" | 36" | 36" | €217.58 | |
| 3HHN2 | 2250 FPM | 40" | 40" | 39 3/4" | 10.2 sq. ft. | 39 3/4" | 40" | 40" | €248.91 |
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DAYTON 3HHL8 Backdraft Damper Vertical/horizontal Mounting 29 3/4sq
€157.75 /unit