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Water distribution networks (WDN) are going towards more sophisticated management strategies to save water and energy and to improve users’ service. The paper investigates experimentally the potentiality of a hydraulic device prototype that integrates the control ability of common pressure reducing valves with the energy recovery capability. The recovered energy is used to self-power the system for real-time monitoring and remote control, creating a useful tool to enhance water distribution networks management. The paper presents and discusses the experimental tests performed for a 2-inches prototype characterization. Tests reveal a maximum flow coefficient of 39 m 3 /h and a minimum required head of 4 m with 3 l/s. Because of the novelty of the device a procedure to verify the applicability of the system starting from working conditions has been set up. In the end the procedure is applied to the first on field test in a real WDN.

Experimental characterization of a self-powered control system for a real-time management of water distribution networks