The AL-450V offers an STC rating of 19 dB at 450mm depth, designed for industrial plant screens and applications not requiring rain protection.
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 B - up to 0.5m/s suction velocity Class C - up to 1.5m/s suction velocity Class D - up to 3.5m/s suction velocity |
Aerodynamic Performance (BS/EN 13030:2001) |
Air Inlet: 0.225, Class 3 Air Extract: 0.225, Class 3 |
Sound Reduction Index (ISO 10140-2) | Frequency (Hz) | One-third Octave (dB) |
50 Hz | 9.1 dB 63 Hz | 7.7 dB 80 Hz | 8.1 dB 100 Hz | 7.4 dB 125 Hz | 5.4 dB 160 Hz | 5.7 dB 200 Hz | 6.5 dB 250 Hz | 7.8 dB 315 Hz | 8.4 dB 400 Hz | 11.5 dB 500 Hz | 14.4 dB 630 Hz | 17.5 dB 800 Hz | 21.7 dB 1000 Hz | 25.7 dB 1250 Hz | 28.0 dB 1600 Hz | 30.6 dB 2000 Hz | 32.7 dB 2500 Hz | 35.5 dB 3150 Hz | 36.6 dB 4000 Hz | 36.7 dB 5000 Hz | 36.6 dB |
|
Geometric Free Area (active blades only) | 30% |
Surface Finish Options |
Powdercoated Anodised Raw Aluminium (Mill) |
Perimeter Frame Options |
Channel Frame |
Ancillaries Options |
Bird Mesh Insect Mesh Solid Blanking Perimeter Mounting Angle |