... working condition; 3. Convenient operation; 4. High efficiency. Double Screw Classifier1. Usage: Screw Classifier is one of the ... Screw Classifier is consist of driving device, spiral, flume, lifting device, lubrication device, support device and so on.3. ... manufacturing high weir type, single and double spiral, and immersed single double screw classifiers. ModelTypeScrewDiamete(mm)ScrewSpeedm/(min) ...