Aluminium rectangular louvres (not standard dimensions) with physical free area of 43%
Application
For fresh air intake or exhaust, wall mounted.
Material
Aluminium
Colour
Anodized natural finish
powder coated in RAL-color upon request
Composition
Frame and blades of aluminium
Insectscreen fitted behind the louvre
The weather resistant blades have a blade pitch of 33 mm.
Can also be produced in standard dimension, type BLR-1
Mounting
To be mounted by means of mounting brackets
Accessories
Mounting brackets (included)
Text for tender
The air intake or exhaust grilles shall have weather resistant blades with blade pitch of 33 mm. They shall be made of anodized aluminium in natural colourin all possible dimensions
ATC Type BLR-1M
Order example
BLR-1M, 700, 200
Explanation
BLR-1M = Type grill
700 = Length grill
200 = Height grill
Articles
Quick selection
Qv
Type
200x200
300x300
400x400
500x500
600x600
700x700
800x800
1000x1000
1200x1200
Aeff
0.02
0.04
0.07
0.11
0.15
0.21
0.28
0.43
0.62
100
veff
1.61
Ps
7.50
Lw
13
150
veff
2.42
1.08
Ps
16.80
3.30
Lw
26
4
200
veff
3.23
1.44
Ps
29.80
5.90
Lw
34
13
250
veff
4.04
1.79
1.01
Ps
46.60
9.20
2.90
Lw
41
20
5
300
veff
2.15
1.21
Ps
13.30
4.20
Lw
26
11
400
veff
2.87
1.61
1.03
Ps
23.60
7.50
3.10
Lw
34
19
8
500
veff
3.59
2.02
1.29
Ps
26.80
11.60
4.80
Lw
41
26
14
600
veff
2.42
1.55
1.08
Ps
16.80
6.90
3.30
Lw
32
20
10
700
veff
2.83
1.81
1.26
0.92
Ps
22.80
9.40
4.50
2.40
Lw
36
25
15
7
800
veff
3.23
2.07
1.44
1.05
Ps
29.80
12.20
5.90
3.20
Lw
40
29
19
11
900
veff
3.63
2.33
1.61
1.19
0.91
Ps
37.70
15.50
7.50
4
2.40
Lw
44
32
23
15
8
1000
veff
2.58
1.79
1.32
1.01
Ps
19.10
9.20
5
2.90
Lw
36
26
18
11
1200
veff
3.10
2.15
1.58
1.21
Ps
27.50
13.30
7.20
4.20
Lw
41
32
24
17
1400
veff
3.62
2.51
1.85
1.41
Ps
37.40
18
9.70
5.70
Lw
46
36
28
21
1600
veff
2.87
2.11
1.61
1.03
Ps
23.60
12.70
7.50
3.10
Lw
40
32
25
14
1800
veff
3.23
2.37
1.82
1.16
Ps
29.80
16.10
9.40
3.90
Lw
44
36
29
17
2000
veff
2.64
2.02
1.29
Ps
19.90
11.60
4.80
Lw
39
32
20
2500
veff
3.30
2.52
1.61
1.12
Ps
31.10
28.20
7.50
3.60
Lw
46
39
27
18
3000
veff
3.03
1.94
1.35
Ps
26.20
10.70
5.20
Lw
44
33
23
4000
veff
2.58
1.79
Ps
19.10
9.20
Lw
42
32
5000
veff
3.23
2.24
Ps
29.80
14.40
Lw
48
39
6000
veff
2.69
Ps
20.70
Lw
44
7000
veff
3.14
Ps
28.20
Lw
49
Quick selection
Qv
Type
200x200
300x300
400x400
500x500
600x600
700x700
800x800
1000x1000
1200x1200
Aeff
0.02
0.04
0.07
0.11
0.15
0.21
0.28
0.43
0.62
100
veff
1.61
Ps
7.50
Lw
13
200
veff
3.23
1.44
Ps
29.80
5.90
Lw
34
13
300
veff
2.15
1.21
Ps
13.30
4.20
Lw
26
11
400
veff
2.87
1.61
1.03
Ps
23.60
7.50
3.10
Lw
34
19
8
500
veff
3.59
2.02
1.29
Ps
26.80
11.60
4.80
Lw
41
26
14
600
veff
2.42
1.55
1.08
Ps
16.80
6.90
3.30
Lw
32
20
10
800
veff
3.23
2.07
1.44
1.05
Ps
29.80
12.20
5.90
3.20
Lw
40
29
19
11
1000
veff
2.58
1.79
1.32
1.01
Ps
19.10
9.20
5
2.90
Lw
36
26
18
11
1200
veff
3.10
2.15
1.58
1.21
Ps
27.50
13.30
7.20
4.20
Lw
41
32
24
17
1400
veff
3.62
2.51
1.85
1.41
Ps
37.40
18
9.70
5.70
Lw
46
36
28
21
1800
veff
3.23
2.37
1.82
1.16
Ps
29.80
16.10
9.40
3.90
Lw
44
36
29
17
2000
veff
2.64
2.02
1.29
Ps
19.90
11.60
4.80
Lw
39
32
20
3000
veff
3.03
1.94
1.35
Ps
26.20
10.70
5.20
Lw
44
33
23
4000
veff
2.58
1.79
Ps
19.10
9.20
Lw
42
32
5000
veff
3.23
2.24
Ps
29.80
14.40
Lw
48
39
6000
veff
2.69
Ps
20.70
Lw
44
Symbols and specifications
Ps = Static pressure loss in Pa
Qv = Air Volume in m³/h
Type = Hole LXH in wall in mm
veff = Effective air velocity true the grille in m/s