Domestic fans
Industrial fans
Single-room air handling units with heat recovery
Air handling units 
Smoke extraction and ventilation
Ventilation accessories
Ventilation ducts and fittings
Air distribution
Measurement and control technology
Ventilation sets and ventsBlauberg SDF (round)
- Description
- Modifications
- Downloads
- Designation key
- Noise level reduction
| FEATURES
For attenuation of noise produced by a ventilation system and spreaded along ventilation ductworks. Used jointly with sound-insulated fans in premises with high requirements to noise level produced by ventilation equipment. Compatible with Ø 100 mm up to 315 mm round air ducts. MOUNTINGFixing to round ducts with clamps. Any mounting position. For better sound absorption install the silencers in series. Fixing on both ends and in the middle to prevent sagging. |
DESIGN
Consists of outer and inner flexible spiral seam air ducts made of aluminium alloy and filled with non-flammable sound-absorbing material. Internal surface is perforated and covered with protection coating to prevent fiber blowing-out. A great variety of standard ranges with several length options. |
| Modification name | |
|---|---|
| SDF 100/2000 | |
| SDF 100/600 | |
| SDF 100/900 | |
| SDF 125/2000 | |
| SDF 125/900 | |
| SDF 125/900 | |
| SDF 150/2000 | |
| SDF 150/600 | |
| SDF 150/900 | |
| SDF 160/2000 | |
| SDF 160/600 | |
| SDF 160/900 | |
| SDF 200/2000 | |
| SDF 200/600 | |
| SDF 200/900 | |
| SDF 250/2000 | |
| SDF 250/600 | |
| SDF 250/900 | |
| SDF 315/2000 | |
| SDF 315/600 | |
| SDF 315/900 |
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| Series | Connected air duct diameter [mm] | Length | |
| SDF | 100; 125; 150; 160; 200; 250; 315 | / | 600; 900; 2000 |
| Model | 63 Hz | 125 Hz | 250 Hz | 500 Hz | 1000 Hz | 2000 Hz | 4000 Hz | 8000 Hz |
| SDF 100/600 | 6 | 8 | 13 | 22 | 28 | 34 | 17 | 20 |
| SDF 100/900 | 8 | 10 | 15 | 25 | 33 | 40 | 21 | 23 |
| SDF 100/2000 | 10 | 15 | 24 | 48 | 53 | 51 | 39 | 36 |
| SDF 125/600 | 4 | 7 | 14 | 20 | 31 | 31 | 13 | 12 |
| SDF 125/900 | 5 | 9 | 16 | 23 | 36 | 37 | 17 | 16 |
| SDF 125/2000 | 7 | 15 | 23 | 47 | 55 | 50 | 28 | 25 |
| SDF 150/600 | 3 | 7 | 12 | 32 | 40 | 40 | 19 | 20 |
| SDF 150/900 | 4 | 8 | 14 | 40 | 48 | 49 | 26 | 25 |
| SDF 150/2000 | 5 | 10 | 21 | 42 | 50 | 48 | 26 | 25 |
| SDF 160/600 | 3 | 7 | 12 | 20 | 25 | 24 | 10 | 12 |
| SDF 160/900 | 3 | 8 | 13 | 21 | 28 | 28 | 13 | 16 |
| SDF 160/2000 | 5 | 11 | 20 | 40 | 48 | 48 | 25 | 25 |
| SDF 200/600 | 2 | 5 | 12 | 20 | 26 | 21 | 10 | 10 |
| SDF 200/900 | 3 | 6 | 12 | 22 | 28 | 24 | 12 | 13 |
| SDF 200/2000 | 4 | 11 | 22 | 42 | 51 | 34 | 19 | 23 |
| SDF 250/600 | 2 | 3 | 8 | 16 | 22 | 13 | 10 | 10 |
| SDF 250/900 | 2 | 4 | 9 | 18 | 25 | 16 | 11 | 12 |
| SDF 250/2000 | 3 | 6 | 16 | 30 | 39 | 27 | 17 | 22 |
| SDF 315/600 | 2 | 4 | 9 | 18 | 21 | 12 | 7 | 9 |
| SDF 315/900 | 2 | 5 | 11 | 21 | 24 | 14 | 8 | 10 |
| SDF 315/2000 | 4 | 7 | 17 | 34 | 39 | 24 | 14 | 18 |
