MF20 Series In line flow switches

The MF20 MicroFlow Switch is a super sensitive version of our popular P20 Inline Flow Switch. The MF20 is a very simple and reliable mechanical flow switch that can detect extremely low flows.


  • Australian made
  • Detects flows of less than 350ml/hour
  • Suits tubes and pipes 6mm to 20mm (1/4″ to3/4″) dia.
  • No metal parts in contact with liquids
  • Suits pulsed or continuous flows
  • 18 Bar (260 PSI) Pressure rating
  • Stable electrical response
  • Very high flow through
  • Low head loss design
  • Easy to install

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