China Spiral Sand Washer catalog of Spiral Classifier Factory Screw Classifier China Sand Classifier, Spiral Classifier China Spiral Sand Classifier Factory Screw Classifier provided by China manufacturer - Jiangxi Province County Mining Machinery Factory, page1.FG, FC single spiral classifier 2FG, 2FC double spiral classifier Application Widely used in metal spiral classifier mineral beneficiation process of the metal ore pulp particle size classification, and can also be used to remove mud and dewater in ore washing operations, often forming a closed circuit process with ball mills.