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Thermal Oil and Hot Water Pumps

Algemene omschrijving

Reliable by design


  • Heat transfer systems (DIN 4754, VDI 3033)
  • Hot water circulation


Maximum operating reliability

  • Highly effective venting contour VenJet ensures optimum venting
  • Confined gaskets
  • Design variant with double mechanical seal in tandem arrangement
  • Anti-seize carbon plain bearing lubricated by the fluid handled

Robust design

  • Sturdy discharge cover designed for high stiffness
  • Optimised heat barrier, little wear
  • Design variant with SiC/SiC bearing for high resistance
  • Reinforced deep-groove ball bearing with special grease fill for long service life
  • Optimised shaft contour ensures reliable removal of leakage

High energy efficiency 

  • Optimised hydraulic system yields high efficiency
  • Impeller trimmed to match the specified duty point
  • Suitable for variable-speed operation in combination with IE3 and KSB SuPremE® IE4 motor (IE4 to IEC (CD) 60034-30 Ed. 2) as standard

Easy to service

  • Replaceable wear rings and straightforward dismantling of bearing bracket


  • Also available in close-coupled and in-line design