AREVA's Innovative Solutions for Valve Diagnostics and In-Situ Valve Repair
33rd Annual CNS Conference - 2012 June 10-13


Presented at:
33rd Annual CNS Conference
2012 June 10-13
Location:
Saskatoon, Canada
Session Title:
OPEX & Maintenance-1

Authors:
Holger Damies (AREVA NP GmbH)
Dr. Reinald Agethen (AREVA NP GmbH)
Louisa Munoz (AREVA NP GmbH)
Frank Kostroun (AREVA NP Canada Ltd.)
  

Abstract

Stable function of valves and their actuators as specified by design is essential for NPP operation meeting all safety and reliability requirements. This goal implements optimized maintenance strategies that can be efficiently supported by dedicated valve services like innovative diagnostics or refurbishment solutions. Main objective for using monitoring systems is the detection of changes in the functional behavior of valves and actuators without direct intervention (e.g. for visual inspection). This provides an important basis for the change to condition-based maintenance with full reference to valve design and specification. The ability to perform also refurbishment measures is part of the maintenance cycle. It is the final step in demand for maintenance and meets the requirements of the modern maintenance strategy.

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