Graco Inc.

SaniForce Drum Unloaders 

Graco’s SaniForce Drum Unloaders evacuate medium to high viscosity products from their original 200liter drums without diluting or heating the contents.

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With up to 99% evacuation rate, they are designed to increase efficiency with faster change-out of containers and provide a superior alternative to manual scooping for improved food and employee safety. Common applications include the transfer of tomato paste, peanut butter, jams and jellies, icing and frosting, caramels, corn syrups, toothpaste, and more.


SaniForce Drum Unloader

Advantages of the SaniForce Drum Unloader

  • Product care
    when using the drum unloader, the product is hermetically sealed and guided from beginning to end, excluding any external contamination
  • Maintenance & ease of use
    our unit is equipped with drum locators for easy positioning and many unloader options to speed up the process
  • Control panel with automation options
    we provide electro-pneumatic controls with HMI connection which is loaded with features and a fully automated sequence
    • Fully automated unloading sequence
    • Ingredient/recipe storage
    • Pump prime feature
    • Batch output control
    • Ram jog feature
  • Hygiene
    this stainless steel pump is provided with sloped top and etched graphics
  • Safety
    the safety lock prevents possible injuries

How it works?

Once the drum is placed below the drum unloader, the ram plate and pump is lowered into the drum, just above the product. Then the seal is inflated to hermetically seal the drum.
When the pumping starts, the product is moved out of the drum and the plate with the inflatable seal travels down, scraping the products from the sides of the drum.
After the drum is emptied, the plate and pump can be lifted out by simply switching a button.

Which pump type works best for your application?


Air Operated Diaphragm Pump

  • When high flow rates are required
  • When the number of drums used daily exceeds 15
  • When the viscosity is under 10.000cps and contains large particles (flapper valve may be required). Material has a diameter greater than 6.3mm and less than 63mm



Piston Pump

  • When the viscosity is too high for a diaphragm pump
  • When the material needs to be pumped large distances
  • When too much pressure loss exists in the line


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  • Flapper check options
    The air-operated double diaphragm pumps that are used are available in both ball and flapper check design. The flapper check design provides a delicate, shear-sensitive operation and gently transfers products. This lower-shear operation ensures product quality is not damaged or compromised, resulting in the proper transfer of critical high-value fluids and materials