Project title: LEAKAGE REDUCTION BY PRESSURE MANAGEMENT IN MUNICIPAL WATER SUPPLY SYSTEMS

Company name : STREAM CONTROL

TECHNOLOGICAL FIELD
Environment

KEY WORDS
Decreased Water Loss,
Dynamic Control Valve

PROJECT SUMMARY
Most of the world's cities suffer from the problem of water loss,
for which the technical term is Non-Revenue Water or Unaccounted
for Water. Out of the total amount pumped into the distribution
network, a municipality is able to supply to the consumers only
60% to 80%. This is due to the water loss as a result of leakage
in the pipeline network of the various neighborhoods.

The solution proposed for this problem is a Smart Pressure
Reduction Controller (SPRC), which integrates elements of
hardware, software and hydraulics.
The SPRC actively controls the Pressure Reducing Valves (PRV),
found in any municipal water supply system at the point where the
piping network of a neighborhood is connected to the city main
water system, and dynamically changes the pressure applied to the
network according to the actual demand for water, resulting in
significant leakage reduction.
Throughout the daily demand cycle the smart pressure reduction
controller considerably decreases the leakage, especially during
night, when pressure grows due to diminished demand.

ADVANTAGES
The SPRC can:
* Reduce leakage by up to 50%
* Manage a full network PRV structure
* Use the existing PRVs - no valve replacement necessary
* Not exceed the manual pressure set point of the PRV
* Meet the UK and the EU operational requirements
* Interface with SCADA and other management tools through a
standard communication port

ENTREPRENEURS
Mr. Uri Efrat - Entrepreneur.
Studies in water engineering at the Ruppin Institute. Experience
in marketing and consulting in the water and agricultural
engineering industries.
Mr. Avi Gleichman - Business Development
Manager. TLM Program degree (equivalent to MBA) and Novell CNE
(Certified Netware Engineer). Formerly managed the marketing
network of Amiad Filtration Systems in Southeast Asia and the R&D
of GAL computerized irrigation systems of Kibbutz Hefzi-Bah.

PROJECT STATUS
Project began on December 1, 2003. Currently first field tests in
progress in the Jerusalem municipal water supply system.

COOPERATION REQUIRED
Investment for development, strategic alliances for marketing.

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