By Jeremy Stevens and Phillip Twaddle | Published in Valve Magazine

Cold bar testing reveals a qualitative pass/fail status for valves, but more confirmation is needed for these critical components.

To extend the useful life of today’s nuclear reactors and prepare for license renewals that may extend as long as 80 years, maintenance technicians must pay careful attention to the risk of deteriorating valve performance, potential leaks, and efficiency losses, especially within the steam cycle. Constant monitoring of safety relief valves (SRVs) is an important maintenance item to ensure safe and efficient power production. SRV monitoring and maintenance technology can improve performance at all power plants, not just nuclear.

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This article originally appeared in the Summer 2023 issue of Valve Magazine, the official magazine of the Valve Manufacturers Association of America (VMA).