These pumps are particularly suitable for use in heat transfer systems or for hot oil circulation.

They are the ideal choice for handling mineral-based and synthetic heat transfer fluids. The particularly high levels of operating reliability . In addition, these variants feature anti-seize carbon plain bearings lubricated by the fluid handled and an extra robust design.



  • Easily dismantled bearing bracket
  • Single mechanical seal in tandem arrangement
  • Shaft seal rings between mechanical seal and bearing protect the deep groove ball bearing
  • against ingress of the heat transfer fluid
  • Impeller secured by Nord-Lock washers for maximum operating reliability
  • Reinforced C4 type deep-groove ball bearing with special grease fill for long service life
  • Optimized hydraulic system for high efficiency
  • Impellers trimmed as standard for pump operation at best efficiency point
  • The complete back pull-out unit can be pulled out without having to remove the pump casing from the piping.