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Forwards safety evaluation re valve operability for 18-inch butterfly valves used for purge or vent of containments.Info submitted fails to demonstrate valve ability to close against containment pressure buildup during LOCA.

Accession Number: ML112240613

Date Released: Thursday, October 24, 2024

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• ML112240612 - Forwards safety evaluation re valve operability for 18-inch butterfly valves used for purge or vent of containments.Info submitted fails to demonstrate valve ability to close against containment pressure buildup during LOCA. (3 page(s), 5/20/1983)
• ML112240614 - Safety evaluation re demonstration of containment purge & vent valve operability for 18-inch butterfly valves.Info submitted fails to demonstrate valve ability to close against containment pressure buildup during LOCA. (2 page(s), 5/20/1983)