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DC centrifugal fans with backward-curved blades are used primarily for intake suction. Since most of the pressure build-up takes place in the impeller, there is generally no need for a scroll housing. The centrifugal fans have very good hydraulic efficiency and are ideally suited for high pressures. The centrifugal fans are used in applications such as central air conditioning units or building ventilation systems.
This model no. is DB190B24M/48M. It works with 24v or 48v DC voltage input. Diameter size is 190mm. Impeller height 45mm. Total height with motor base is 68.5mm. Impeller material is propylene with propylene witn glass-fiber reinforced.
Key words: dc centrifugal fan, backward curved centrifugal fan, centrifugal fan for ventilation
| Model | Motor Type | Bearing System |
Rated Voltage (VDC) |
Operating Voltage (VDC) |
Rated Current (A) |
Rated Power (W) |
Rated Speed (RPM) |
Air Flow (M3/H) |
Air pressure (Pa) |
Noise Level (dBA) |
| DB190B24M | BE72DC-T | BALL | 24 | 16~28 | 2.13 | 51 | 2,950 | 620 | 473 | 68 |
| DB190B48M | BE72DC-T | BALL | 48 | 36~57 | 1.06 | 51 | 2,950 | 620 | 473 | 68 |
