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Minimise risks from debris and solids content in wastewater

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The SE and SL ranges of wastewater pumps from Grundfos helps improve reliability and efficiency.
The wastewater pumps bring together motor, hydraulics and functionality to meet the challenges of modern wastewater, maximising the hydraulic, electrical and mechanical efficiency of wastewater pumps.
SE/SL wastewater pumps are available in multiple versions from 1 to 30 kW and with a range of hydraulic designs, including the new Open S-tube® impeller.
When fitted with the new Open S-tube® semi-open impeller, SE/SL pumps are the ideal solution for medium to extreme contamination of wastewater, where the simple and robust impeller design offers world class hydraulic efficiency without compromising free passage.
Wastewater is more and more often pumped over longer distances as small treatment plants are closed and wastewater is pumped to larger plants to make treatment more efficient. This require pumps suitable for high head/lower flow applications and with a high efficiency to keep operating costs low as pumps are often operated for many hours.
Urban wastewater in particular is increasing in complexity, with components such as suspended solids, organic matter, oils and greases, fibres and polymers and other substances presenting new challenges. Moreover, extreme weather conditions increase the variation of rainfall and the chance of flooding.