It is specially designed for dirt extraction.Not easy to amass dirt, attrition-resistant.2.Suitable to expel air with dirt, wood scraps and fine fiber.It can also be used for ventilation.3.It can be made as various single or succession fan in drive form.4.7 models.5.Air volume:800-56900m3/h.6.Total pressure:350-2100Pa
| model | Power(KW) | Rotation(r/min) | Volume(m 3 /h) | Pressure(Pa) |
| 5 A | 5.5 | 2900 | 1000-2680 | 4800-3239 |
| 7.5 | 2900 | 2700-3400 | 3100-2065 | |
| 6.3 A | 7.5 | 2900 | 1000-1875 | 8000-8300 |
| 11 | 2930 | 1925-2750 | 8280-7850 | |
| 15 | 2930 | 2800-4000 | 7830-6100 | |
| 6.8 A | 15 | 2930 | 1667-3600 | 9880-9420 |
| 18.5 | 2930 | 3667-4567 | 9350-8400 | |
| 22 | 2930 | 4600-5500 | 8350-6760 | |
| 7.1 A | 15 | 2930 | 1201-2978 | 10515-10821 |
| 18.5 | 2930 | 3566-4148 | 10570-10103 | |
| 30 | 2930 | 4818-6344 | 9490-6993 | |
| 7.7 A | 18.5 | 2930 | 1532-2983 | 12367-12953 |
| 37 | 2950 | 3798-6697 | 12727-10520 | |
| 45 | 2970 | 7314-8092 | 9632-8154 |
