Recently I read about the Unmeasured-Flow Reducer (UFR) produced by AY McDonald to reduce the under-registration of low flow rates in water meters. The problem is that the device is quite expensive, so it can not be used in a cost-efficent way in Developing Countries with low water prices.
So my question is: Are there any low-cost alternatives to the UFR?
Links
http://www.arivalves.com/library/articles/item/reduction-of-apparent-losses-using-the-ufr-unmeasured-flow-reducer-case-studies
http://www98.griffith.edu.au/dspace/bitstream/handle/10072/48855/82792_1.pdf?sequence=1
http://www.allianceforwaterefficiency.org/uploadedFiles/Resource_Center/Library/water_loss/EPA-Water-Loss-Control-November-2010.pdf
http://www.export.gov.il/files/water/verticalcatalogue/heavyindustrycatalogue2.pdf
Ok. A.R.I. (Israel) sells it for US$ 14 per UFR (FOB), so it can be used in a cost-efficent way in Developing Countries at least for comercial and industrial consumers.
Thank you very much William !
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