... and sealing.Component:Motor,V-belt,V-belt wheel,in feed hopper,main shaft,buffer ring,selector disk, ... whirlpool ring,adjustmentring,classifier,bearing and air seal device,ect.Features:1).High selecting precision, ... Airflow CirculationNoise<70dB(a)Selection Ratio≥99.9%Classifier Diameter900mmOverall Dimension1720*1310*2900mmWeight1300kg airflow classifier is a superior durable rubber ...