Wall louvre with flange Extra heavy duty - Aralco NVS

Wall louvre with flange
Extra heavy duty
L 751

Aralco NVS
Textielstraat 18a
8790 Waregem (B)
T + 32 56 52 80 60
F + 32 56 52 80 65
e-mail: info@aralco.be
web: www.aralco.be
ENG 01-05-06
L 751
■ Extruded sections of aluminium AlMgSi 0,5
■ Pitch : 75 mm
■ Standard finishes :
- Silver anodised (15-20 micron)
- RAL 9010 (60-80 micron) (for UK : hipca white)
■ On request : any RAL colour
■ Depth to fit : 81,7 mm
■ Overall flange size – throat size : 2 x 32,9 mm
■ Standard stainless steel 18/8 flyscreen :2 x 2 mm.
On request : stainless steel 18/8
flyscreen : 6 x 6 mm
■ Physical free area : 55 %
■ Maximum free area : 86 %
Sizes
■ All sizes are possible
■ When ordering :
Please quote : width x height
Fixing
■ Depending on the construction details
L 751 Product description
L 751 - Built-in
pressure drop in Pa pressure difference in Pa
Selection diagram
100
10
110
100
grille surface m 2
1
10 100 1000 10 000 100 000
90
80
70
60
50
40
30
20
10
flow m 3 /h
0,1 0,5 1 2 3
Pressure drop - wind speed
0
0 0,5 1 1,5 2 2,5 3 3,5 4 4,5 5
wind speed m/s