When the fountains in the Trocadero Gardens near the Eiffel Tower in Paris needed extensive renovation work, it was not only a question of what equipment to choose but also how to get it through very...
Dieter Klefoth and Stefan Seemer look at a demand-based speed-controlled pump system. This, with new submersible pumps together with state-of-the-art control systems, has been instrumental in lowering...
Refurbishing an ageing district heating system in Constanta, Romania using new hot-water recirculation pumps, associated variable speed drives and other controls in a demand-based arrangement, has...
