Micro-Batch Feeders with Agitator MBF

MBF Micro-Batch Feeders are particularly suitable for feeding poorly flowing powders and granular materials which tend to clog. A comprehensive modular system design ensures the right solution for virtually all user requirements.

Technical Features


The MBF Micro-Batch Feeder for continuous volumetric feeding of powdery or granular materials consists of a steel-reinforced SINT engineering polymer body (optionally body entirely manufactured from stainless steel), a horizontally mounted rotating agitator tool, a feeder screw beneath the agitator tool, a feeder pipe enclosing the protruding feeder screw, one drive unit each for agitator and feeder screw.
Tests on product flow and material stress were carried out to establish optimum body geometry. Agitator and feeder tool geometry and materials were tested, too, before choosing an optimal steel and SINT engineering polymer composite.
On request, MBF series Micro-Batch Feeders are supplied in food-grade versions with both FDA and EN- approval.

  • 3 sizes available
  • Feed rates: 3 dm3/h ~ 4,000 dm3/h (0.001 ~ 2.4 cfm)
  • Body manufactured from SINT engineering polymer or stainless steel (the entire feeder may come in stainless steel with all components being interchangeable with the SINT version)
  • Agitator and feeder tool with separate drive units
  • Due to independent drive units it is possible to select different drive powers and speeds for both blending shaft and feeder screw
  • Wide range of interchangeable SINT engineering polymer or stainless steel feeder tools
  • Vast range of interchangeable components: seals, feeding pipe
  • High degree of homogeneity of the material fed
  • Versatile, adaptable, compact, reliable, accurate
  • Feeders manufactured from FDA and EN-approved, food-grade SINT engineering polymer or completely in stainless steel
  • ATEX certification
  • Vertical outlet
  • Pneumatic activator / electric vibrator
  • Bag feeding hoppers with different geometries to increase storage capacity (available complete with flow aids on request)
  • Round/square bag feeding hopper with separately driven vertical agitator tool for materials that tend to pack under pressure
  • Feeder pipe liner made from standard or food-grade SINT engineering polymer

Usage Areas

Comprehensive Modular System Design Comprehensive Modular System Design
Easier To Maintain Easier To Maintain
High Accuracy Feeding High Accuracy Feeding

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