SilentBox
High volume output and pressure performance with ideal sound values make Helios SilentBox centrifugal round duct fans the best solution for extract air and intake air systems with particular noise level requirements. The sound-insulated casing in the AcousticLine version with a 50 mm thick mineral wool lining ensures virtually silent operation and it is designed for installation in any position. Also available as SilentBox EC.
All models
| Ref.-No. | Type | Vmax (m³/h) | Connection-Ø (mm) | Actions |
|---|---|---|---|---|
| 09506 | SB 125 A | 230 | 125 | |
| 09562 | SB 125 C | 440 | 125 | |
| 09508 | SB 160 B | 360 | 160 | |
| 09563 | SB 160 D | 580 | 160 | |
| 09510 | SB 200 C | 810 | 200 | |
| 09564 | SB 200 D | 1030 | 200 | |
| 09512 | SB 250 C | 960 | 250 | |
| 09565 | SB 250 E | 1080 | 250 | |
| 06132 | SB EC 125 A | 520 | 125 | |
| 09624 | SB EC 125 B | 530 | 125 | |
| 06136 | SB EC 160 A | 580 | 160 | |
| 09625 | SB EC 160 B | 590 | 160 | |
| 06138 | SB EC 200 A | 900 | 200 | |
| 09626 | SB EC 200 B | 970 | 200 | |
| 09627 | SB EC 250 | 1190 | 250 | |
| 06157 | SB EC 315 A | 2490 | 315 | |
| 09628 | SB EC 315 B | 3280 | 315 | |
| 06139 | SB EC 355 | 2710 | 355 | |
| 06140 | SB EC 400 A | 2980 | 400 | |
| 09629 | SB EC 400 B | 4570 | 400 | |
| 09718 | SBD 315 A | 2200 | 315 |
