Loss in weight feeder

Loss-in-weight feeder is a controlled gravimetric screw feeding device with a hopper containing material and positioned on a scale weighing system. The Weigh scale measures the weight loss of material per unit of time and thus controls the speed of feed screw to maintain the desired output. When the product in hopper arrives a predetermined minimum weight level, the control by weight loss is briefly interrupted and the hopper is recharged.


  • Consistent Feed Rates with minimum variations
  • Long term accuracy & repeatability
  • Historical Recordings & quality documentation
  • Fast responding system
  • Effective dust control.
  • Saving in material cost due to high accuracies


  • 3 dm3/H to 4000 dm3/H


  • Gravimetric dosing of product from Hopper to the system
  • Requirement of High Accuracies and fast controlling
  • Very small capacity fine dosing applications
  • Working in Close loop system
  • Easy cleaning and no contamination

Major Sectors:

  • Dry Premix & Building Materials
  • Paint and Putty plants
  • Food Processing
  • Plastics
  • Chemicals
  • Detergent

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