Duco Acoustic Panel 250
Duco Acoustic Panel 250
Duco Acoustic Panel is a sound attenuating grille, manufactured from aluminium extrusion profiles and always made to the required size. The Acoustic 300 louvres are fitted with sound-insulating, non-combustible mineral wool and offer an excellent attenuation value of up to 14 dB.
Technical features
| Visual free area | 75 % |
| Physical free area | 31 % |
| K factor intake | 12,94 |
| K factor exhaust | 13,22 |
| Ce | 0,278 |
| Cd | 0,275 |
| Fitting Depth | 250 mm |
| Frame width | 25 mm |
| Blade pitch | 150 mm |
| Frame flange | 37 mm |
| Attenuation value Rw (C;Ctr) | 14 (-1;-2) dB |
Insect mesh (S= Standard / O= Optional)
| Perforation P1 |
|
| Perforation P2 |
|
| SS insect mesh 2,3 x 2,3 mm | O |
| SS bird mesh 6 x 6 mm | O |
| SS bird mesh 20 x 20 x 0,5mm | O |
Watertightness (with insect mesh)
| v = 0 m-s | B |
| v = 0,5 m-s | C |
| v = 1 m-s | D |
| v = 1,5 m-s | D |
| v = 2 m-s | D |
| v = 2,5 m-s | D |
Downloads
COMMERCIAL DOCUMENTATION
LEGISLATION
SPECIFICATION TEXTS
TECHNICAL DOCUMENTATION