The ABS (A Sulzer Brand) of Submersible recirculation pumps is designed for pumping and recirculation of activated sludge in municipal and industrial wastewater.

Main Design Features

  • In contrast to conventional axial flow pumps, recirculation pumps do not require expensive structures in the tank. The unit is lowered along a guide tube and connected by an automatic coupling system to the pipeline
  • Approval for ATEX (Ex II 2G k Ex db IIB T4 GB), FM and CSA as option
  • Water pressure-tight encapsulated fully flood-proof motor
  • Motor insulation according to Class F (140°C temperature sensors)
  • Temperature rise according to NEMA Class A
  • EMC version as option
  • Condition monitoring of temperature and water ingress
  • Solid passage min. 85 mm and greater
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