Grundfos, Grundfos SE range of pumps, Grundfos S-tube, Intelligent pumping solution, Wastewater treatment, Water technology, Water solutions, Hydraulics, Energy-efficient products, Green products, Sustainable solutions

Grundfos presents SE1 pump with S-tube impeller

It is an efficient wastewater solution with an unprecedented hydraulic efficiency

The rising price of fresh water plus a range of new environmental factors and most importantly the energy cost of transporting wastewater to the treatment plant must be accounted for when planning a modern wastewater system. Grundfos India, a global leader in advanced water solutions and a trendsetter in water technology has introduced its innovative SE1 pump with an S-tube impeller to cater the wastewater treatment processes. The Grundfos S‐tube impeller is designed to help to meet all these diverse challenges.

The fundamentals of the revolutionary S‐tube impeller, have actually been on pump designers’ drawing boards for decades. The volume and diversity of waste material to be transported was relatively low, and therefore details such as the water and energy usage were barely considered by utility providers. It is only in the past two decades that a variety of factors have all collided to make the S‐tube design relevant. These include: increased environmental awareness, new government legislation and directives, and the rising cost of water, energy and wastewater transport.

Special features at the front and back plate of the closed S‐tube optimises the leak flow into the cavities between the rotating impeller and the stationary pump housing. Because the non‐compromised inner diameter of the S‐tube is uniform, there is less likelihood of clogging, even with a relatively low volume of transportation fluid as found in modern‐day wastewater. Consequent hydraulic efficiency gains drive down energy costs for the end‐user. Furthermore the lack of a leading edge has the benefit of significantly lowering NPSH (net positive suction head) inside the centrifugal pump where the hydraulic system is most prone to cavitation.

Integrated with motors, hydraulics and a seamless functionality, the intelligent SE1 solution is one of the most efficient wastewater pumps. Grundfos SE range of pumps with an S-tube impeller have also been able to significantly boost energy savings in wastewater operations while simultaneously reducing the number of jamming related incidents.

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