Grundfos booster sets have variable-speed pumps

The Grundfos Hydro Multi E family of packaged booster sets are fitted with two, three or four pumps as standard. Continuous adjustment of the pump speed maintains a constant pressure. These sets use pumps from the CRIE range with frequency-controlled single- or 3-phase MGE ultra-efficient motors. These pumps sets incorporate functions such as warning indicators, system monitoring and display and indication. They can be integrated into a building-management system.
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Mackwell launches new exit sign range

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