... unloads by centrifugal, the linear velocity of the elevator is 2.5-3.5m/s shallow bucket (QD) capability 1,the ... grain hygiene standards, there is no pollution for the materials 2,elevator unloads by centrifugal, the linear velocity of the elevator ... is 2.5-3.5m/s TypeABCDEHole numberHole diameterVolume(X-Y)QD472647026017050955911 ...