Reference No: A3007

Inside Diameter Temper Bead (IDTB) for Reactor Vessel Head Repairs

Main description

Leakage can occur through flaws in the partial penetration attachment weld between the Reactor Vessel Head and CRDM nozzle as well as through the Control Rod Drive mechanism (CRDM) nozzle wall in Alloy 600 nozzles.

Framatome’s CRDM Nozzle Inside Diameter Temper Bead (IDTB) Welding Repairs maximize component life while reducing personnel dose and costs.  Framatome offers the ONLY proven approach for remotely operated repair of CRDM and Core Exit Thermocouple nozzles that addresses all flaw scenarios utilizing our remote IDTB repair.

Product Sheet


  • Challenge solving Challenge solving
  • Operator competitiveness Operator competitiveness
  • Safety excellence Safety excellence
  • Efficiency of operation Efficiency of operation
  • Expertise Expertise
  • Challenge solving
  • Safety excellence
  • Efficiency of operation