Dimensions


Smaller and larger dimensions if we utilize the louvers, such as:


Heat and smoke exhaust

Nº of blades

Width/B1 (mm)

min.
5

max.
17

min.
700

max.
1.800


Opening for natural ventilation

Nº of blades

Width/B1 (mm)

min.
3

max.
20

min
400

max.
1.800


Geometric Section

Fgeo(m2) = H1 (m) x B1 (m)

H1 of the table, B1 any (min. - max.)

Example: Venetian blind with 11 blades, B1 = 1,25m

Fgeo = 1,62m x 1,25 m = 2,025 m2

Nº of blades

H1 (mm)

Nº of blades

H1 (mm)

3
4
5
6
7
8
9
10
11

460
605
750
895
1040
1185
1330
1475
1620

12
13
14
15
16
17
18
19
20

1765
1910
2055
2200
2345
2490
2635
2780
2925

* Heat/smoke exhaust - max. 17 louvers