The 9-19 high-pressure centrifugal fan is generally used in forging furnaces and high-pressure forced ventilation. It can also be used to convey materials, air, and gases that are non-corrosive, non-pyrophoric, and non-sticky.
Technical Parameters:
| Machine number | Speed r/min | Flow rate m3/h | Total pressure Pa | Power KW |
| 4A | 2900 | 824-1704 | 3584-3253 | 2.2-3 |
| 4.5A | 2900 | 1174-2504 | 4603-4112 | 4-5.5 |
| 5A | 2900 | 1610-3488 | 5697-5080 | 7.5-11 |
| 5.6A | 2900 | 2622-4901 | 7182-6400 | 11-18.5 |
| 6.3A | 2900 | 3220-6978 | 9149-8148 | 18.5-30 |
| 7.1D | 2900 | 4610-9988 | 11717-10426 | 37-55 |
| 8D | 2900 | 6594-14287 | 15034-13362 | 75-110 |
| 8D | 1450 | 3297-7144 | 3620-3231 | 7.5-15 |
| 9D | 1450 | 4695-10171 | 4597-4101 | 15-22 |
| 100 | 1450 | 6440-15455 | 5840-4958 | 30-37 |
| 11.2D | 1450 | 9047-21713 | 7364-6246 | 45-75 |
| 11.2D | 960 | 5990-14375 | 3182-2705 | 15-22 |
| 12.5D | 1450 | 12578-30187 | 9229-7822 | 75-110 |
| 12.5D | 960 | 8327-19985 | 3975-3377 | 22-37 |
| 14D | 1450 | 17670-42409 | 11668-9878 | 132-220 |
| 14D | 960 | 11699-28079 | 5004-4249 | 37-75 |
| 16D | 1450 | 26378-63305 | 15425-13035 | 315-410 |
| 16D | 960 | 17463-41912 | 6570-5575 | 75-110 |