... the bottom part of air classifier up to the classifying chamber by the air flow from suction fan. The highspeed rotation of classifier wheel would create a ... d97: 2micron to 150micron. The product size is adjustable, which makes the change of product size easy and simple ... carbonate, kaolin, quartz, talc, mica and other non-metallic product classifying), metallurgy industry, abrasive material industry, ...