Flow indicator

To visualize the flow circulating in a pipe

A flow indicator or flow monitor makes it possible to visually observe the passage of a fluid. It is therefore equipped with a transparent window to visualize the flowing fluid.

In the case of transparent fluids, it is also equipped with fins that can be seen rotating in the presence of a flow.


  • Solder (BW) or flanged connection.
  • Material: Standard: carbon steel, stainless steel, others according to your application.
  • Fluid: liquid, gas, steam.
  • Diameter: according to the nominal diameter of the pipe.
You can find below our most frequently asked questions / answers.

If you do not find the answer you are looking for, please contact us either by phone at +33(0)5 59 30 85 20 or via the contact form. We will respond as soon as possible.

Why can a visual flow indicator be equipped with fins?

The fins are used to correctly visualize the passage of a flow, even when the fluid is transparent (water for example). Some devices are equipped with a colored ball that has the same function as the fins.

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