Volkmann twin bulk bag unloader was developed to boost powder handling efficiency and save floor space. The twin bulk bag unloader integrates dual bulk bag unloading stations into a single unit that discharges into a single hopper. The twin bulk bag unloader enables both bags to be discharged simultaneously for fast emptying, or sequentially, to allow an empty bag to be removed and reloaded while the second bag is discharged without stopping the operation. For loading powders, granules, pellets, and other dry materials into a pneumatic vacuum conveying system, the bulk bag emptying station features a single, centralized hoist to safely raise each bulk bag for emptying and dual, patent-pending dust-tight discharge chute connectors to safely contain the material flowing into the hopper and prevent release during bag changing. Once the hopper is loaded, the material may be discharged to multiple vacuum conveyors feeding different processing lines.