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8/13/2019 Acoustic Louvre
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ACOUSTIC LOUVRE
GRILLE
8/13/2019 Acoustic Louvre
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ACOUSTIC LOUVREALS 4000 SERIES
Inclining at 45 o, each horizontal blade is reversed bent at the rear tip, Prudentaires Acoustic Louvre (ALS4000 series) is designed to provide both acoustic attenuation as well as weather resistant applications. Avail-able in standard 150/300 mm louvre depth (highly customizable to customers requirement), it is used primar-ily in areas where weather and noise protection with minial pressure loss. For areas without depth concerns,double louvres (back-to-back) configuration is avaliable for the best sound absorption and weather resistance
performance; incorporating sightproof fucntion as well.
In efforts of addressing the possible health issues, acoustic infill used in Prudentaires acoustic attenuators are bacteria, fungi growth and corrosion/erosion resistant (Withstanding maximum air velocity up to 30.5 m/s)with toughskin facing in prevension of possible contamination of fiberglass strands.
DESCRIPTION . ILLUSTRATIONS
ALS 4000 SERIES| Page 1 of 2
. 45 o inclining horizontal blade
. Vertical pitch 150 mm
. Fibreglass infill
. Grille sizing:
i) Minimum size: 300 x 450 mm
ii) Maximum size: 1800 x 2400 mm
ii) Standard depth or 150 mm & 300 mm
CONSTRUCTION MATERIALS
. Stainless steel construction avaliable
. Frame: 1.0 mm Galvanised Steel
. Blade: 1.0 mm Galvanised Steel
. Acoustic Infill: Standard Faced Fibreglass (32 kg/m 3 toughskin faced)
Faced rockwool (upon request)
Perforated sheetmetal protection
Standard Acoustic Performance High Acoustical Performance
150 MM
Height
Length
150/300 mm
8/13/2019 Acoustic Louvre
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ACOUSTIC LOUVREALS 4000 SERIES
TECHNICAL PERFORMANCE
ALS 4000 SERIES| Page 2 of 2
* Total Pressure Loss, Pa (1) - 300 mm Depth
* Total Pressure Loss, Pa (2) - 150 mm Depth
Face Velocity, m/s 0.5
Face Velocity, m/sTotal Pressure Loss, Pa (1)Total Pressure Loss, Pa (2)
200x
300
2.3100>100
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Face Velocity, m/sTotal Pressure Loss, Pa (1)Total Pressure Loss, Pa (2)
1.7100
Face Velocity, m/sTotal Pressure Loss, Pa (1)Total Pressure Loss, Pa (2)
200x
500
1.2
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