Reference No: A0149

Reactor coolant pumps (RCP) internals replacement - For PWR reactors

Reactor Coolant Pump (RCP) internals shaft replacement is a complex repair often involving replacement of the shaft and impeller. This replacement raises the risk of RCP vibration with the new impeller. Framatome’s Pump & Motor specialists can match machine the new shaft with the existing impeller. You know how the existing impeller will perform, so when you start up your pump there are no surprises. In addition, by utilizing the parts you already have, you save money. Performance certainty is increased by using existing parts. RCP vibration risk is reduced, the salvaging of existing impeller reduces cost of Repair.

Product Sheet
  • Challenge solving benefit Challenge solving benefit
  • Operator competitiveness benefit Operator competitiveness benefit
  • Safety excellence benefit Safety excellence benefit
  • Efficiency of operation benefit Efficiency of operation benefit
  • Expertise benefit Expertise benefit
  • Challenge solving benefit
  • Efficiency of operation benefit


Hollow Shaft and upgraded impeller
Upgraded Thermal Sleeve