... small area-occupying 4. high classification 1. OperationPrinciple WF series fine powder classifier machine is composed by upper chamber, airseparator, lower chamber ... in chemicalindustry, construction material, electronics, pharmacy, pesticide, dope,dyestuff, light industry, foodstuff,metallurgy, feedstuff etc, which can dry mill various ... *1.441.42*1.10*1.78 WF series fine powder classifier machine