River Silica Sea Sand Washing Plant Classifier Spiral Sand Washer Machine Price. Multi-Function Operation: Integrates cleaning, dewatering, and classification in a single unit. High Capacity Options: Available capacities range from 5t/h to 250t/h across various models. Low Mud Content Output: Produces sand with low water and mud content for high purity. Durable Sealing System: Features a long spiral design with a robust sealing system. Easy Maintenance Design: Simple structure allows for convenient and efficient maintenance. Professional Installation: Includes assignment of professional engineers for test and installation. Wide Application Scope: Suitable for construction, mining, hydro power, and concrete dam sites. Global Certifications: Certified by ISO, CE, and TUV for international safety standards.