Application field: PM Centrifugal Blower: Centrifugal blower with rice polisher, the gas conveyed by the Model PM Series Centrifugal Blower should be nontoxic, innoxiously, non-corrosive, non-self-igniting, and the temperature should not be higher than 80℃. The powder dust contained in the conveying gas should be no more than150mg/m3.