Grundfos SRG recirculation pumps provide energy-efficient pumping. The drive unit is equipped with IE3 motor components and combined with the large variety of gear steps, this forms a suitable overall range. Additionally a variable-speed drive can be added, for even better performance adaption.

The range covers horisontally installed pumps, mounted on a motor bracket for quick installation. The pumps pumps the activated sludge around in the treatment plant assisting with high flow and low head. Wastewater infrastructure is an obvious application area – from network stations to treatment plants – but the SRG pump range is also appreciated by industry and agriculture professionals worldwide.


The recirculation pumps are designed for distribution of liquids in:

  • Sludge treatment systems
  • Wastewater treatment plants
  • Industrial processes
  • Agriculture
  • Biogas plants

The recirculation pumps are fitted with stainless steel impellers with diameters between 300 and 800 mm and rotation speeds up to 1000 min-1.

Features and benefits

  • Highly energy-efficient products, driven by IE3 motor components
  • Wide range of flexible installation accessories
  • Simple maintenance and service
  • Electronic leak sensor and moisture switch
  • Shaft seal protected against abrasive materials 
  • Self-cleaning stainless steel
  • Hydraulically efficient and robust propellers cast-iron motor housing.


  • -Highly energy-efficient products
  • -Simple maintenance and service
  • -Electronic leak sensor and moisture switch



SMD, SMG, SFG & SRG Brochure

SMD, SMG, SFG & SRG Brochure

Meet your treatment targets with our complete range of mixers, flowmakers and recirculation pumps

SRG Product Flyer

Product Flyer


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