Ultra Silent Duct Fans
Duct fans for noise-sensitive spaces, with optimised blade profiles and sound-attenuating casings. Final selection is confirmed at the duty point (airflow / static pressure / voltage / control mode) and by project verification.
| Model | Size | Max airflowm³/h | Max static pressurePa | PowerW | NoisedB(A) | Speedrpm | VoltageV | ||
|---|---|---|---|---|---|---|---|---|---|
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LWDA-100 (4")S-MWN-04AC | Ø100 mm | 605 | see curve | 41 | 49 | 2,900 | 220-240 | Details |
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LWDA-100 (4")U-MWN-03AC | Ø100 mm | 410 | see curve | 41 | 51 | 3,350 | 110-120 | Details |
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LWDA-100S-PWN-15AC | Ø100 mm | 319 | 185 | 40 | 25 | 2,550 | 230 | Details |
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LWDE-100 (4")S-MWN-04EC | Ø100 mm | 697 | see curve | 35 | 51 | 3,350 | 220-240 | Details |
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LWDE-100 (4")U-MWN-03EC | Ø100 mm | 410 | see curve | 35 | 51 | 3,350 | 110-120 | Details |



