Etanorm RSY

Dry-installed pump

Horizontal volute casing pump in back pull-out design, single-stage, with ratings and dimensions to EN 733, radially split volute casing with integrally cast pump feet, replaceable casing wear rings, closed radial impeller with multiply curved vanes, single mechanical seal to EN 12756, double mechanical seal to EN 12756, drive-end bearings: rolling element bearings, pump-end bearings: plain bearings, with magnetless KSB SuPremE motor (exception: motor sizes 0.55 kW / 0.75 kW with 1500 rpm are designed with permanent magnets) of efficiency class IE4/IE5 and PumpDrive variable speed system; ATEX-compliant version available.

Main Applications

  • Heat transfer systems
  • Hot water circulation
  • Chemical industry
  • Petrochemical industry
  • Chemical transformation processes
  • Cleaning processes
  • Thermal separation processes
  • Timber/lumber industry
  • Plastics industry
  • Food industry
  • Paper industry and printing industry
  • Textile industry

Technical Data


  • Operating costs reduced by trimming the nominal impeller diameter to match the specified duty point
  • Easy to dismantle due to back pull-out design; no need to remove the pump casing from the piping
  • High resistance by anti-seize product-lubricated carbon plain bearing or SIC/SIC bearing
  • Operating reliability through materials selected for various intake conditions and high pressures of up to 16 bar
  • Service-friendly with easy-to-replace casing wear rings