... 1961, covers 160000m2, 1600 workers. ISO, SGS Roller Crusher is used for crushing sintering coal,coke powder and ... materialsMedium hardness ore, limestone, chalk, chamotte,etc.Roller size(mm)Ø750X500Ø900X700Feeding size(mm)30Capacity (t/ ... lower rollers distance is 10mm≈18Discharging size (mm)2-4When the upper rollers distance is 10mm and ... =5Weight(kg)17320Weight(kg)27378 Four Roller Crusher