Commercial Centrifugal Blowers — 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.
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
Curves marked “measured” come from our own test rigs per AMCA 210 / ISO 5801 methods; digitised catalogue curves are flagged as such in the selector — 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.













