Picture of Bulk Bag Piercing Knife

Bulk Bag Piercing Knife

This Bulk Bag Hopper is designed for the storage and dispensing of bulk materials and can be combined with the SKX100 Bulk Bag Frame as a cost effective solution to bulk bag filling or dispensing.
Part No: EW-BB-Piercer
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$520.00 excl GST

Bulk Bag Piercing Knife


The bulk bag piercing knife makes it simple to discharge the contents of single-use bulk bags that do not have a bottom spout built into the bottom of the bulk bag. Unlike reusable bags which have a discharge spout that can be tied and untied, these single-trip / single use bulk bags are often used for low-value or hazardous materials and are meant to be emptied once and then discarded.
 
Heres how a bulk bag piercing knife works:
  • ​Placement of the Bag: The bulk bag is lifted and lowered into the bulk bag filling frame. This can be done with a forklift, a dedicated hoist, or a crane.
  • ​The Piercing Mechanism: When fitted to the bulk bag filling frame, the static pyramid, V,  shape knife assembly has multiple blades. As the weight of the bag and its contents rests on the unloader, the bag is brought down onto the knife assembly.
  • ​The Piercing Action: The knife pierces the bottom of the bag and the weight of the material in the bag assists in this action, ensuring a clean and complete rupture of the bags bottom.
  • ​Discharge of Material: Once the bag is pierced, the material inside flows out of the now-open bottom and into a discharge hopper below. 
Advantages of Bulk Bag Piercing Knives:
  • Efficiency: Piercing the bag bottom from seam to seam allows for a faster and more complete discharge of material compared to using a spout. This can significantly reduce labour and cycle times.
  • Cost-Effectiveness: Single-use bags are often less expensive than reusable bags with spouts.
  • Safety: By automating the cutting process, these systems reduce the need for manual handling of the bags and their contents, which improves worker safety, especially when dealing with hazardous materials.
  • In essence, the bulk bag piercing knife leverages the weight of the bags contents and a sharp, strategically placed blade to quickly and efficiently open the bag and begin the discharge process in a controlled and contained manner.
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