Under the same process conditions and rotating speed, grinding pan diameter, material level, grinding roller pressure are the same, grinding efficiency of Model PRM roller mill can be raised more than 30%, average power consumption can be saved about 8.2%, and impact vibration of the overall unit could be obviously reduced.
With international advanced technology and nation leading manufacturing quality, it has passed the Ministry-level test and listed as state-level new product in 1995.
| Specifications | Capacity (t/h) | Power of Main Motor | Weight |
| HRM 1300 | 20~25 | 200 | 40 |
| HRM 1700 | 40~48 | 400 | 70 |
| HRM 1900 | 50~60 | 450 | 80 |
| HRM 2200 | 70~90 | 630 | 150 |
| PRM 1512 | 42~50 | 380 | 56 |
| PRM 1714 | 55~65 | 450 | 75 |
| PRM 1914 | 70~85 | 610 | 80 |
| PRM 2216 | 95~115 | 745 | 160 |



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