The world’s leading laboratory paddle blender for food microbiologists

WHY the Stomacher® 400 Circulator

  • Improved organism recovery with the patented curved shape of the Circulator paddles over older square paddle designs
  • No risk of cross contamination between samples
  • Durable and reliable
  • Control panel with programmable settings or ‘hands-free’ auto-run
  • Countdown of processing time
  • Removable door for easy cleaning of paddle chamber
  • 3 year warranty and 10 year service support

Whatever method you use to enumerate and identify bacteria, yeasts and moulds in your laboratory, thorough reproducible homogenisation of the sample is the first and most critical step.


As the sample is crushed during operation, the patented curved shape of the Circulator paddles create a washing effect driving more organisms in suspension thereby providing a better homogenised sample for analysis.

The Stomacher® 400 Bag Range

Caters for both the Circulator bag (round-bottom) designed bags, and the Classic (square-bottomed) for the older square paddle designed Stomachers®.

Stomacher® Accessories

Seward has developed a full range of Stomacher® Accessories to help provide a safe and efficient working environment in your laboratory. From Bag Openers to Bag Racks and Bag Clips.

Download the Stomacher® 400 laboratory paddle blender brochure

Is the Stomacher® right for your protocol? Let our Technical support team help.

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