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Provides addl info re PWR secondary side steam generator relief valve failure.Caused by failure to consider reaction forces of discharging relief valves in design of nozzles attaching valves to header.

Accession Number: ML20090D102

Date Released: Saturday, October 26, 2024

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• ML20090D098 - Provides addl info re PWR secondary side steam generator relief valve failure.Caused by failure to consider reaction forces of discharging relief valves in design of nozzles attaching valves to header. (2 page(s), 4/20/1972)
• ML20090D109 - Opines that failure of two main steam relief valves should have been subj of inquiry rept. (1 page(s), 3/22/1972)
• ML20090D122 - Forwards licensee response to NRC 711209 ltr re main steam relief valve headers. (1 page(s), 12/22/1971)
• ML20090D130 - Provides requested info re main steam relief valve header failure. (2 page(s), 12/17/1971)
• ML20090D138 - "Main Steam Relief Header." (1 page(s), 7/25/1966)
• ML20090D144 - Requests verification re use of main steam line header relief valves. (2 page(s), 12/13/1971)