Bulk Bag UnloadersRenold offers a variety of bag unloading stations custom built to fit each specific application. The standard model offers discharge of materials through an iris valve directly into a storage hopper. Flow aids are optional.From the hopper, the material can then be directed into another process by means of a screw auger conveyor, feeder or rotary airlock for pneumatic conveying.Enhancements such as welded tubular frame construction, lift hoist and load cell batch are available including operator controls with PLC interfacing.