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SL1 Submersible Water Pump Series

The SL1 1.1-11 kW is a submersible wastewater pump with a Grundfos S-tube® impeller, offering the best solution for large flows of raw sewage, with free passage of solids up to 5”/125 mm. The SL1 from Grundfos is a tried and tested performer in the industry, designed to optimise your system with minimum servicing required.

Built for durabity, easy installation and hassle-free operation, the SL1 comes packed with innovative Grundfos features that protect the pump and ensure optimal system performance for industrial and municipal wastewater applications.

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SL1 Submersible Water Pump Series
  • Features
  • Applications
  • Tech Specs
  • The SL1 features the Grundfos S-tube® hydraulic design for higher operational reliability and minimum clogging.
  • Primary and secondary seal in one cartridge unit provides longer seal lifetime and easy fail-proof replacement in the field without special tools.
  • The unique Grundfos moisture-proof plug design stops any moisture from entering the motor.\
  • SL1 pumps have motors based on IE3 components for improved motor efficiency and longer pump life.
  • Commercial wastewater
  • Industrial wastewater
  • Water reuse
  • Flood control
  • Wastewater treatment
  • Wastewater transport

Max flow: 83 l/s
Head Max: 31m
Liquid temperature: 0 .. 40 °C

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