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Forwards "Flow Interruption Test for Part 77910" & "Flow Interruption Test on Gate Valve Assembly," in response to IE Bulletin 81-02, "Failure of Gate Type Valves to Close Against Differential Pressure." No corrections required.

Accession Number: ML20009C691

Date Released: Thursday, January 23, 2020

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• ML20009C690 - Forwards "Flow Interruption Test for Part 77910" & "Flow Interruption Test on Gate Valve Assembly," in response to IE Bulletin 81-02, "Failure of Gate Type Valves to Close Against Differential Pressure." No corrections required. (2 page(s), 7/7/1981)
• ML20009C695 - Revision A to "Flow Interruption Test for Part 77910 Supplied to C-E." (6 page(s), 3/25/1981)
• ML20009C699 - "Flow Interruption Test on Gate Valve Assembly." (12 page(s), 5/8/1981)