Hapman Flexible Screw Conveyor, Bulk Bag Unloader, Drag Conveyor, Pneumatic Conveyor, Bag Dump Station, Bag Compactor, Supersack Filler and Bulk Bag Filler. Machinery and Equipment is pleased to have an inventory of Used Hapmanequipment for sale from our large inventory of used equipment. We invite you to browse our available inventory for this fine manufacturer along with hundreds of others available.