The Pneumatic Conveying System Accessories from Coperion K-Tron provides complete system solution for loading and unloading bulk solid materials in railroad systems. This device comes with different types of systems used to unload hopper bottom railcars, such as continuous vacuum and pressure from pickup pan, and vacuum sequencing from pickup pan. In addition, sugar, calcium chloride pellets and soda ash are the typical materials conveyed to or from the hopper bottom of the railcars.