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AD-15/ADI-15/ADT-15 Flow Switch

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A range of simple in line flow switches to detect the flow of gases and liquids. The switches are suitable for many applications including-

  • Refrigeration of machine-processes
  • Hydraulic and lubrication circuits
  • Thermal oil circuits
  • Gas circulation control
  • Series AD-15 is equipped with one or two reed detectors.
  • Series ADI-15 is equipped with reed detectors and local indication of the flow.
  • Series ADT-15 is equipped with reed detectors, local indication of the flow and a 4-20 mA transmitter.


Functions in horizontal or vertical pipes.
Detection of the flow by magnetic field
total watertightness, with no contact between the fluid and the reed switch
Available with Indicators or transmitters.
Works with normal, opaque or turbid liquids.
Good precision with viscosity and density variations.
Robust and simple construction.
Easy installation.
Very good relation in quality-price.
Scales standardised in H20, air, oils, etc.
Precision +/- 5% with minimum influence by variation of viscosity up to 600 cSt.

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