Pressureaide® covered hopper railcars are engineered to transport a wide variety of fluidizable dry bulk products. Our pressure differential hoppers are designed and built to accept interior coatings compatible with the intended product service. Each railcar comes equipped with a proprietary pressure differential pneumatic unloading system, which consists of all piping and fittings required to connect at the unloading facility, including airflow and product discharge valves, pressure gauges and pressure relief devices. The Pressureaide® railcar operates with internal air pressures up to 14.5 PSI allowing for safe, efficient product transfer.