Features Shaft end using the latest packing seal, ensure that no leakage. New patented stop-proof mechanism that movements are flexible, safe, reliable, good sealing performance. Tail set has an active body, minimizes the residual; flexible scraper ans chain set back to the cup, minimizing conveying section head department of material residue. Modular design, easy disassembly and assembly replaced. Scope of application Classic models, passed the European CE safety certification, widely used in feed, chemicals, grain storage, oil industry, port and malt powder and small particulate matter level of transmission.