Features: Can be equipped with stripped-down head pulley, largely alleviating the costs and workload of rubberized head pulley. The machine cylinder uses the unique undercut technology,one-step forming, superior rigidity and the sealing property,also does not have the thermal deformation. We provide multi-structure-form return pulley for you to select, ensuring the best adaptability. Full safety device ensures maximum safety performance and use of equipment. Application: Classic model, certified by EU CE safety attestation, widely applicable for the vertical conveying of powdery materials, granular materials and small particle size materials in feed mills, chemical industry, grain terminals, seaports, malt and oil industries and etc.