Pipe Flow Capacities


  • Receive an instant calculation detailing the maximum capacity (l/s) and maximum velocity (m/s), for a given pipe system and gradient.


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How to use the Wavin Hydraulics tool

Enter your pipe gradient details to calculate maximum capacity.

To get started with using the tool, you'll need the following:

  • Site address and postcode
  • Pipe type
  • Pipe diameter
  • Pipe gradient

Frequently Asked Questions

What is the gradient of a pipe?

The gradient of the pipe is the drop/fall in the pipe over a distance.

Max capacity

The maximum Litres per second that the selected pipe can discharge at the given gradient.

Max velocity

The maximum Metres per second the water can flow through the pipe at the given gradient.

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