Industrial Grade Air Classifier has powder feeding tube, mounted co-axially inside the vertical hollow shaft and hollow shaft is supported by heavy-duty bearing which is fitted in housing. The Air Classifier consists of one or two disc with whizzer blades that rotate inside cone and motor from 7.5 to 15 HP. The Industrial Grade Air Classifier has input rate from 100 to 600 kg/ hr and comes in dimension such as 1 X 1 X 2.3 meter and 1.5 X 2.5 X 4 meter.