| Model | SFJZ100×1 | SFJZ125×1 | SFJZ150×2 | SFJZ150×2B |
| Capacity (t/h) | 4-10 | 15 | 20-25 | 30-40 |
| Power (kW) | 0.2×2 | 0.37 | 0.55×2 | 0.55×2 |
| Vibrational frequency (Hz) | 960 | 960 | 960 | 960 |
Is mainly used in the last procedure of pelletizing process. When the mash materials have been pressed to form pellets or the pellets have been crumbled, the qualified products should be extracted by a grading sifter, while the unqualified particles or fines should be separated by sifting and then re-pelletized.