Uploaded May 2021 | Updated September 2026, 6 days ago

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Pressure tubes contain the fuel bundles and primary coolant (water) in a nuclear reactor. Their safe operation is ensured through extensive research, testing and modelling development by the licensee to understand the impact of expected operational wear and tear. In its comprehensive and rigorous oversight, the CNSC analyzes and evaluates the data provided by the licensee to confirm that pressure tubes remain safe for operation.

For more information on pressure tubes, go to ow.ly/F8tX30rHEJt

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