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Implementation of Channel Flow Metering at Durban Water Facility.


Pulse was recently contacted by a Durban water facility about measuring flow within their water treatment plant. The flowmeters were needed to measure flow within an open channel with no primary measuring element present.


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Pulse was recently contacted by a Durban water facility about measuring flow within their water treatment plant. The flowmeters were needed to measure flow within an open channel with no primary measuring element present. The goal was to give the operators the individual flows to their filter plant which has 48 filters in total. Each filter bank of 6 filters are fed from a common header. There are 8 common headers and we needed to measure the flows in 8 channels.

After initial discussions with the client. It became apparent that the filters were running “blind” as they did not know the volume of water going into the filter plant. We assessed the measuring points at which flow readings will give the client the best indication of filter availability and efficiency, these were the 8 headers. We then looked at the different technologies available to provide the results needed and together with the client we made the decision to go with the tried and tested Siemens Ultrasonic Solution.

Pulse Control Systems supplied 8 Echomax Transducers, 4 dual channel MultiRanger 200 HMI’s, cable trays, 1000m of instrument cables, new electrical panels and training on all of the above.

With this implementation, the client was given total control over their filter plant. They were then able to monitor the productivity of each filter bank, schedule maintenance on poor performing filters and reduce down time due to overloading or underloading the filters capacity.

 


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