32
kg / m3 density insulation faced with matt black lining
0.8
mm perferated zinc anneal 11% open area splitter casing
Air
intake or discharge penetration should be made 15 to 20mm larger
than actual louver size
Acoustic
Louvers
Model
Noise
Reduction / Octave band centre frequencies Hz
63
125
250
500
1K
2K
4K
8K
300 mm
AAL 300
9
12
15
18
21
22
21
20
600
mm
AAL
600
14
17
22
27
33
35
33
30
*
To maintain a pressure drop of 35 pascals calculate face velocity
of louver at 2m / sec. Louver widths are made to suit any application.
Louver height is in 250mm increments. Ie: 500mm, 750mm, 1000mm,
1250mm etc.
Please
click on the images below for a closer view :
Adamsson
Engineering.
Unit 3 / 7 Hector Street West, Osborne Park Western Australia
6017.
Phone: 61 8 9242 7677. Fax: 61 8 9242 7678.
