Flow Indicators

Since January 2001, MIL has taken over the manufacture and refurbishment of Flow Indicators from Monitor Engineers Ltd.  Flow indicators have applications for the indication of flow rate and alarm initiation when (a) loss or decrease of flow occurs, or (b) excess or increased flow occurs. They provide remote indication of any liquid flowing through pipework by means of a microswitch assembly, and provide an accurate measurement of the flow rate via a dial plate.


  • Visual flow rate indication
  • Electrical switch operation at any specified flow rate
  • One, two, three or four individual electrical circuits
  • Standard materials – cast iron (Meehanite) or gunmetal
  • Adaptable for vertical or horizontal installation for all flow directions
  • Standard bore pipe sizes, from 1.5″ (38 mm) to 20″ (508 mm)
  • Microswitches as standard.

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