... , or used in gravity concentrator to grading ore and fine clay, and metal ore dressing procedure for pulp are graded granularity, ... . Screw axis of the head, shaft head, using pig iron set, wear-resisting durable, improve device points electric and manual ... , tub, lifting mechanism, the lower bearings (da) and row ore valve components.Spiral Classifier technical parameters TypeScrew diamater(mm)Screw ...