Impeller Ø280–500 mm
Commercial Centrifugal Blowers — Impeller Ø280–500 mm: 14 models. Filter by airflow, static pressure, voltage and motor platform, compare specifications side by side and add models to your RFQ.
| Model | Size | Max airflowm³/h | Max static pressurePa | PowerW | NoisedB(A) | Speedrpm | VoltageV | ||
|---|---|---|---|---|---|---|---|---|---|
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LWDD12-12-ECEC | Ø305 mm | 1,489 | 437 | — | — | 960 | 220 | Details |
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LWDD12-9-ECEC | Ø305 mm | 4,362 | 491 | — | — | 1,100 | 220 | Details |
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LWFA-E-280-01AC | Ø280 mm | 2,600 | 490 | — | 69 | — | — | Details |
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LWFA-E-280-02AC | Ø280 mm | 2,100 | 220 | — | 64 | — | — | Details |
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LWFA-E-300-01AC | Ø300 mm | 4,300 | 720 | — | 72 | — | — | Details |
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LWFA-E-300-02AC | Ø300 mm | 2,900 | 408 | — | 65 | — | — | Details |
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LWFA-E-300-03AC | Ø300 mm | 3,100 | 422 | — | 66 | — | — | Details |
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LWFA-E-350-01AC | Ø350 mm | 2,950 | 370 | — | 65 | — | — | Details |
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LWFA-E-400-01AC | Ø400 mm | 4,500 | 612 | — | 68 | — | — | Details |
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LWFA-E-400-02AC | Ø400 mm | 5,100 | 610 | — | 70 | — | — | Details |
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LWFA-E-450-01AC | Ø450 mm | 6,230 | 710 | — | 72 | — | — | Details |
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LWFA-E-450-02AC | Ø450 mm | 10,500 | 750 | — | 80 | — | — | Details |
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LWFA-E-500-01AC | Ø500 mm | 8,380 | 850 | — | 75 | — | — | Details |
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LWFA-E-500-02AC | Ø500 mm | 11,000 | 910 | — | 82 | — | — | Details |
Impeller Ø280–500 mm — selection guide
Impeller Ø280–500 mm: 14 models, impellers Ø280–500 mm, maximum airflow 1,489–11,000 m³/h, static pressure to 910 Pa, AC and EC motors, across 1 series. 10 of them carry a measured P-Q curve and 14 a dimensional drawing.
The large commercial blowers — Ø280 to Ø500 mm — serve central kitchen extraction, make-up air units and process equipment: LWFA-E-450 / 500 EC blowers and the LWDD12 and AC housed blowers, 1,489–11,000 m³/h at 220–910 Pa. Twelve of the fourteen models are AC direct drive for constant duty.
How to select from this range
- Rate on total pressure at the flange with the full duct and filter resistance.
- Confirm inlet side and discharge orientation — housed blowers are handed.
Where these fans are used
- Central kitchen extraction
- Make-up air units
- Process and drying equipment
Every figure above is measured on our own test rigs per AMCA 210 / ISO 5801 methods — see the test labs and certificates. Final selection is confirmed at the duty point and by project validation.
FAQ — Impeller Ø280–500 mm
What is the largest commercial blower?
LWFA-E-500, Ø500 mm, up to 11,000 m³/h; belt-driven sizes beyond that are quoted on request.













