... vermiculite, sepiolite, attapulgite, rectorite, diatomite, barite, gypsumalum earth, graphite, fluorite, varicose, potash, ore, fioatstona, etc.Working Principal ... rolling and rotating in the ring by pintles.Technical data Model HGM80HGM100Roller number2127Ring Diameter (mm)Φ800Φ1000Ring ... 5×4×6.518x4.5x8.6 NameItemUnitSpecifications & Technical DataHGM80HGM100Motor for main frameModel Y2-250M-4Y2-315M ...