Silenzio SR (AK)
Silenzio ZR (AK)
The completely updated Silenzio SR (AK) is a wall damper that is eminently suitable for use in refurbishment. Not only has its appearance been given a complete makeover, but from now on the Silenzio also features a SR valve so it can easily be used in one of our . This sound-absorbing ventilator has been developed specifically for situations where high noise levels are an issue.
- SR-flap for use within DUCO's ventilation systems
- ‘AK’ acoustic damping until 48 dB
- Simple solution for renovation projects
- Aesthetic adjustable inner grid
Technical features
| U - value | 4,76 W/m²/K |
| Watertightness in closed position | 600 Pa |
| Windtightness in closed position | 300 Pa |
| Standard control | Manual control |
| Ventilator height | 350 mm |
| Width | 350 mm |
| Depth | 105 mm |
| Length of the tube | Standard 300 mm. Longer version available as an option. |
| Diameter of the tube | 250 mm |
Acoustic values octave band values
| Type | Octave band value at 125 Hz (dB) | Octave band value at 250 Hz (dB) | Octave band value at 500 Hz (dB) | Octave band value at 1000 Hz (dB) | Octave band value at 2000 Hz (dB) |
|---|---|---|---|---|---|
| Silenzio SR | 27,8 | 27,5 | 31,9 | 46,2 | 56,8 |
| Silenzio SR AK | 35,5 | 36,3 | 42,7 | 65,4 | 70,7 |
Acoustic performance
| Type | Installation depth (mm) | Dn,e,W (C;Ctr) open position (dB) | Dn,e,W (C;Ctr) closed position (dB) | Dne,A open position (dB(A)) | Dne,Atr open position (dB(A)) | Rq,A open position |
|---|---|---|---|---|---|---|
| Silenzio SR | 300 - 375 | 39 (-1;-4) | 50 (-2;-5) | 38 | 35 | 10,2 |
| Silenzio SR AK | 300 - 375 | 48 (-1;-4) | 61 (-1;-6) | 47 | 44 | 16,6 |
Ventilation capacity wall damper
| Type | Qn - ventilation capacity per wall - roof ventilator [m3/h each at 2 Pa] (m3/h) | Airflow (Q) per unit [m3/h each at 10 Pa] (m3/h) |
|---|---|---|
| Silenzio SR | 59,4 | 59,1 |
| Silenzio SR AK | 36,4 | 37,1 |
Downloads
COMMERCIAL DOCUMENTATION
SPECIFICATION TEXTS
TECHNICAL DOCUMENTATION