Features: Three-dimensional structure Land-saving The screen-passing rate can reach to 99% The transmission is steady and reliable; The transmission device of mainframe adopts airtight gear case and zonal wheel. Centralized control for the electric system, convenient to operate. Raymond roller mill 3r2715 Number of roller: 3 Diameter of roller: 270mm Height of roller: 140mm Inside diameter of ring: 830mm Height of ring: 140mm Max. Feeding size: 15-20mm Fineness of product: 0.044-0.165mm Capacity: 0.9-3.8 t Raymond roller mill 4r3216 Number of roller: 4 Diameter of roller: 320mm Height of roller: 160mm Inside diameter of ring: 970mm Height of ring: 160mm Max. Feeding size: 20-25mm Fineness of product: 0.044-0.165mm Capacity: 1.8-4.5 t Raymond grinding mill 5r4121 Number of roller: 5 Diameter of roller: 410mm Height of roller: 210mm Inside diameter of ring: 1270mm Height of ring: 210mm Max. Feeding size: 20-25mm Fineness of product: 0.044-0.125mm Capacity: 5-8 t Nude