Supply of drinking water suited to the demand thanks to adjustable pumping stations Application: Residential Building ZWAV is an association formed by 47 towns and municipalities in Vogtland, Germany. On an area of 1,400 km2, they supply drinking water for about 250,000 inhabitants. At present 200 pumping systems are in operation, equipped with 500 motor pump booster sets. Due to the fall in demand in industry and agriculture, and the constant decrease of the population, for some years there has been a decrease in water consumption in Vogtland. Dismantling and modernisation ZWAV reacted to the reduced water consumption by dismantling the systems. Over the years a vast deposit of pumps was thus created, which were used to restructure and gradually modernise other systems. Since the old non

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