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H Flumes; Purpose Built & Retro Fit Installations

There is continual pressure on the water utilities to reduce maintenance needs and to improve the accuracy of flow measurement.

Critical Flow Systems explored the use of H flumes which are commonly used in North American for irrigation.

The key characteristics of H flumes are their ability to flush through solids and good accuracy through a broad range of flows.

CFS integrated H flumes into Mflow (our flow computation software), built a prototype and calibrated it on our test rig.

Customers from Severn Trent Water and United Utilities were invited to observe the calibration, prior to commissioning an installation.

CFS have installed or overseen the installation of approximately ten installations. An H flume was installed in a new channel at Toddington STW at the cost of approximately £40K.

There have been installations into existing chambers such as Turnditch which have cost £28K.