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Forwards info re NUREG-0737,Item II.E.4.2 concerning containment purge valve operability,including vendor analyses on 18- & 42-inch purge valves & drawings.Four oversize drawings encl.Aperture cards available in PDR.

Accession Number: ML20101G874

Date Released: Wednesday, September 30, 2020

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• ML20101G872 - Forwards info re NUREG-0737,Item II.E.4.2 concerning containment purge valve operability,including vendor analyses on 18- & 42-inch purge valves & drawings.Four oversize drawings encl.Aperture cards available in PDR. (2 page(s), 12/19/1984)
• ML20101G893 - "Isolation/Purge Valve Analysis for 18 Inch-1200 Butterfly Valve." (124 page(s), 9/21/1983)
• ML20260A531 - "16 Inches Thru 24 Inches 1200 Nuclear Valve Cross-Section & Matls List,ASME Section III Class 2 Flange X Weld End." (1 page(s), 7/24/1978)
• ML20260A535 - "Pratt 1200 Nuclear Air Valve Bettis Cylinder Operator Replaceable Packing Bonnet Flange X Weld End." (1 page(s), 3/18/1980)
• ML20101G938 - "Isolation/Purge Valve Analysis for 42 Inch-1200 Butterfly Valve (Blocked at 50 Degrees)." (126 page(s), 9/21/1983)
• ML20260A538 - "30 Inches Thru 48 Inches 1200 Nuclear Valve Bettis Cylinder Operator Replaceable Packing Bonnet Flange X Weld End." (1 page(s), 11/2/1978)
• ML20260A542 - "30 Inches Thru 24 Inches 1200 Nuclear Valve Cross-Section & Matls,ASME Section III Class Flange X Weld End." (1 page(s), 7/26/1978)