
The SFB high-air-volume axial flow fan has undergone comprehensive upgrades based on the SF model, equipped with aluminum alloy sickle-shaped blades. It adopts an aluminum alloy casing to enhance the motor’s sealing performance, featuring low noise, large air volume, high wind pressure, excellent heat dissipation, and stable operation.
This product is widely used in fume exhaust, pharmaceutical, metallurgy, power stations, transportation, grain storage, tobacco and other workplaces. It can be applied in humid and harsh environments (temperature not exceeding 65°C).
| Core Technical Parameters | |||||
| model | Power (kW) |
Voltage (V) |
Rotation speed (r/min) |
Air flow (m³/h) |
Total pressure (Pa) |
| 3-2 | 0.37 | 220v/380v | 2800 | 4000 | 300 |
| 3-4 | 0.18 | 220v/380v | 1450 | 2800 | 120 |
| 4-2 | 1.5 | 220v/380v | 2800 | 11800 | 330 |
| 4-4 | 0.55 | 220v/380v | 1450 | 6800 | 195 |
| 5-4 | 0.75 | 220v/380v | 1450 | 11800 | 210 |
| model (mm) |
H | D | D1 | D2 | n |
| SF-2 | 235 | 255 | 235 | 215 | 4 |
| SF-2.5 | 235 | 315 | 285 | 265 | 4 |
| SF-3 | 240 | 365 | 335 | 315 | 4 |
| SF-3.5 | 330 | 415 | φ385 | 365 | 4 |
| SF-4 | 330 | 465 | 435 | 415 | 6 |
| SF-5 | 330 | 565 | 540 | 515 | 6 |
| SF-6 | 410 | 665 | 635 | 615 | 6 |
| SF-7 | 435 | 765 | 735 | 715 | 6 |
| SF-8 | 470 | 800 | 815 | 850 | 6 |
| model (mm) |
L | W | W1 | H | h | D | d |
| SF-3-2/SF-3-4 | 450 | 550 | 240 | 660 | 550 | 365 | 315 |
| SF-3.5-2/SF-3.5-4 | 520 | 680 | 230 | 845 | 680 | 415 | 365 |
| SF-4-2/SF-4-4 | 520 | 680 | 330 | 870 | 680 | 465 | 415 |
| SF-5-2/SF-5-4 | 640 | 680 | 330 | 965 | 680 | 565 | 515 |
| SF-6-4/SF-6-6 | 730 | 680 | 410 | 1015 | 680 | 665 | 615 |
| SF-7-4/SF-7-6 | 835 | 720 | 435 | 1100 | 760 | 765 | 715 |
| SF-8-4/SF-8-6 | 920 | 760 | 470 | 1330 | 960 | 850 | 800 |