Characteristics ----A wide selection range of materials with the Mohs scale of hardness below 6; ----Higher degree of fineness by the high pressure spring. ----Low in energy consumption compared with Jet Mill ----Less investment with accelerated cost recovery ----Independent system ----Less pollution; dust extraction fully conforms to national standard. ----Good sealing effect of grinding rollers. ----Technical specifications: Main Technical Data Model YGM7826 YGM8327 YGM9531 YGM3220 Roller Number 3 3 4 3 4 Roller Diameter(mm) ¦µ260 ¦µ270 ¦µ310 ¦µ320 ¦µ320 Ring Inside Dia.(mm) ¦µ780 ¦µ830 ¦µ950 ¦µ970 ¦µ970 Rotational Speed (r/min) 160 140 130 148 130 Max Feeding Size (mm) ¡´20 ¡´20 ¡´25 20-25 20-25 Output (kg/h) 25-500 30-680 150-1000 2000-5800 3000-6000 Motor Type of Main Engine Y225-8-18.5 Y225M-8-22 Y225S-4-37 Y225S-4-45 Motor Type of  Air blower Y160L-4-15 Y180M-4-18.5 Y200L-4-30 Y200L-4-37 Motor Type of Size Analyzer Y160M-6-7.5 Y160M-6-7.5 Y160M-6-7.5 YCT200-4A-11 Gross Power (kw) 41 48 74.5 93 Overall Dimension(L*W*H)(m) 4.5*4.2*5.1 5.3*4.1*5.2 7.1*5.9*7.9 7.1*5.9*7.9 Weight (t) 4.8 6 11.5 13 14 Output Size (mesh) 500mesh(0.025mm)-1250mesh(0.01mm),some can be 2500 mesh(0.005mm) 20 mesh -425 mesh£¬ some can be 1000mesh.