At 450mm deep, the AL-450W provides an STC rating of 18 dB and a high level of rain defence. Commonly used for water treatment plants and other similar demanding environments.
| Dimensions |
Depth: 450mm Height: Minimum 450mm, Maximum 2400mm (panel modules can be spliced together to form larger louvres) Width: Minimum 300mm, Maximum 2400mm (panel modules can be spliced together to form larger louvres) |
| Blade Centres |
150mm |
| Rain Defence Performance (BS/EN 13030:2001) |
Class A - up to 0.5m/s suction velocity Class B - up to 1.5m/s suction velocity Class C - up to 2.0m/s suction velocity Class D - up to 3.5m/s suction velocity |
| Aerodynamic Performance (BS/EN 13030:2001) |
Air Inlet: 0.226, Class 3 Air Extract: 0.239, Class 3 |
| Sound Reduction Index (ISO 10140-2) | Frequency (Hz) | One-third Octave (dB) |
| 50 Hz | 7.7 dB 63 Hz | 6.2 dB 80 Hz | 4.8 dB 100 Hz | 4.6 dB 125 Hz | 5.1 dB 160 Hz | 5.3 dB 200 Hz | 5.8 dB 250 Hz | 6.4 dB 315 Hz | 7.2 dB 400 Hz | 9.9 dB 500 Hz | 12.4 dB 630 Hz | 15.5 dB 800 Hz | 19.9 dB 1000 Hz | 24.1 dB 1250 Hz | 28.4 dB 1600 Hz | 32.0 dB 2000 Hz | 34.3 dB 2500 Hz | 36.8 dB 3150 Hz | 37.4 dB 4000 Hz | 35.0 dB 5000 Hz | 32.0 dB |
|
| Geometric Free Area (active blades only) | 30% |
| Surface Finish Options |
Powdercoated Anodised Raw Aluminium (Mill) |
| Perimeter Frame Options |
Channel Frame Flanged Frame |
| Ancillaries Options |
Bird Mesh Insect Mesh Solid Blanking Perimeter Mounting Angle |
AL-450W_Fixing To Fibre Cement Cladding (PDF)
AL-450W_Fixing To Horizontal Corrugated Iron (PDF)
AL-450W_Fixing To Precast Concrete (PDF)
AL-450W_Fixing To Vertical Corrugated Iron (PDF)
