With an STC rating of 15 dB and at 300mm deep, the AL-300V is designed for acoustic plant screens requiring a medium level of attenuation.
| Dimensions |
Depth: 300mm 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: 0.241, Class 3 Air Extract: 0.241, Class 3 |
| Sound Reduction Index (ISO 10140-2) | Frequency (Hz) | One-third Octave (dB) |
| 50 Hz | 9.3 dB 63 Hz | 7.5 dB 80 Hz | 7.7 dB 100 Hz | 8.4 dB 125 Hz | 6.7 dB 160 Hz | 5.4 dB 200 Hz | 5.1 dB 250 Hz | 5.4 dB 315 Hz | 6.8 dB 400 Hz | 9.3 dB 500 Hz | 10.9 dB 630 Hz | 11.9 dB 800 Hz | 13.2 dB 1000 Hz | 14.7 dB 1250 Hz | 16.7 dB 1600 Hz | 20.3 dB 2000 Hz | 21.1 dB 2500 Hz | 21.3 dB 3150 Hz | 21.3 dB 4000 Hz | 21.0 dB 5000 Hz | 20.0 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 |
