DucoGrille Acoustic G 75
DucoGrille Acoustic G 75
DucoGrille Acoustic 75 Z and DucoGrille Acoustic 75 L are recessed mounted louvre grilles with sound absorbing blades. The special blade shape has been designed for two applications: Z and L. The blades are provided with non-combustible mineral wool for acoustic performance. The aluminium blades are directly "clicked" onto plastic blade holders.
Technical features
| DucoGrille Acoustic G 75Z | DucoGrille Acoustic G 75L | |
|---|---|---|
| Visual free area | 76 % | 95 % |
| Physical free area | 28 % | 28 % |
| K factor intake | 16,93 | 16,52 |
| K factor exhaust | 21,83 | 12,14 |
| Ce | 0,24 | 0,25 |
| Cd | 0,21 | 0,29 |
| Fitting Depth | 82 mm | 82 mm |
| Blade pitch | 60 mm | 60 mm |
| Frame flange | 48 mm | 48 mm |
| Attenuation value Rw (C;Ctr) | 6 (0;-1) dB | 6 (0;-2) dB |
Insect mesh (S= Standard / O= Optional)
| Type | Perforation P1 | Perforation P2 | SS insect mesh 2,3 x 2,3 mm | SS bird mesh 6 x 6 mm | SS bird mesh 20 x 20 x 0,5mm |
|---|---|---|---|---|---|
| DucoGrille Acoustic G 75Z |
|
|
S | O |
|
| DucoGrille Acoustic G 75L |
|
|
S | O |
|
Watertightness (with insect mesh)
| Type | v = 0 m-s | v = 0,5 m-s | v = 1 m-s | v = 1,5 m-s | v = 2 m-s | v = 2,5 m-s |
|---|---|---|---|---|---|---|
| DucoGrille Acoustic G 75Z | B(97,8%) | B(95,1%) | C(89,4%) | D(77,3%) | D | D |
| DucoGrille Acoustic G 75L | B(97,2%) | C(93,9%) | C(88,2%) | D(75%) | D | D |
Downloads
COMMERCIAL DOCUMENTATION
LEGISLATION
SPECIFICATION TEXTS
TECHNICAL DOCUMENTATION