OFF-GAS: Continuous Monitoring and Evaluation System for the integrity of the reactorís fuel and control rods, through the continuous measurement of Off-Gas system gases. This completely innovative system, already installed and functional at the Cofrentes Nuclear Power Plant, was the first project to be delivered by GDES T4S.


Purpose: On-line evaluation of the integrity of the reactor fuel based on continuous measurement of the gases of the Off-Gas system.


This equipment allows:

  • early detection of fuel failures;
  • monitoring of activity during sequence changes;
  • early detection of a second failure;
  • parallel monitoring of the integrity of the control rods


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