... area-occupying 4. high classification 1. OperationPrinciple WF series fine powder classifier machine is composed by upper chamber, airseparator, lower chamber, classifier ... , dope,dyestuff, light industry, foodstuff,metallurgy, feedstuff etc, which can dry mill various of organic and inorganicmatter.4. Technical Parameter Parameter ... *1.441.42*1.10*1.78 WF series fine powder classifier machine