Description
AT 10-10R — Belt-Driven Forward-Curved Centrifugal Blower
The LONGWELL AT 10-10R is a forward-curved (multi-wing) centrifugal blower from the AT belt-driven commercial range. Per the AT series type code, 10 is the impeller diameter designation and 10 the impeller width designation; Construction type R (AT series type code). The casing measures 431×455 mm housing (dimensions A–B below). Because the fan is belt-driven, the duty point is set by the pulley ratio you choose — the figures below are the operating envelope printed on the AT 10-10 catalogue performance chart, not a single rated point.
LONGWELL states the AT series covers 1,000–40,000 m³/h overall, and is characterised by compact construction, high efficiency and low noise. Catalogue performance is quoted at standard conditions (inlet pressure 101.325 kPa).
Performance envelope
| Volume flow rate | 800 – 10,000 m³/h |
| Total pressure Pt | 80 – 1,100 Pa |
| Rotational speed | 600 – 1,800 rpm |
| Impeller power | 0.06 – 4 kW |
| Sound power level LwiA | 60 – 90 dB(A) |
| Total efficiency η | up to 61% |
Send us your required airflow and static pressure and our engineers will return the matching speed, pulley set and motor rating.
Dimensions (mm)
| A | 431 mm |
| B | 455 mm |
| C | 289 mm |
| D | 249 mm |
| E | 330 mm |
| F | 390 mm |
| G | 395 mm |
| H | 36 mm |
| I | 490 mm |
| J | 331 mm |
| K | 353 mm |
| L | 371 mm |
| M | 56 mm |
| N | 203 mm |
| R | 6 mm |
| W | 55 mm |
| X | 28 mm |
| d | 25 mm |
| t | 8 mm |
| t1 | 7 mm |
| U×S | 11×16 mm |
Letter codes correspond to the AT series dimensional drawing shown below. All values from the LONGWELL AT series catalogue.
Performance curves
Dimensional drawing
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