CONTROLLER AND CONTROL SYSTEM FOR A PRESSURE REDUCING VALVE
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United States of America Patent
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Apr 14, 2017
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Jan 24, 2007
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Abstract
A controller adjusts the output pressure (P2) of a pressure reducing valve supplying water to a consumer region. The controller includes a clock and aims to reduce output pressure, whilst still providing a minimum required pressure at a critical point (CP) in the region, by adjusting the output pressure in accordance with both the flow rate into the consumer region and with time.
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