Acrison’s Model 820 Bulk Bag Unloader provides a clean, efficient and effective means for discharging a wide assortment of dry solid materials contained within various size and type bulk bags.The Model 820 Bulk Bag Unloader features Acrison’s patented Model 82-SCM Bag Spout Clamping Mechanism for unrestricted access to the bag’s discharge spout for attachment to the process interface transition in an entirely clean and dust-tight manner; it also maintains the spout taut during the bag emptying process. Attachment is easily and quickly made by a strong, yet simple manually operated clam-shell clamping system.