Sep 24, 2011 #1 dursosono Materials Aug 6, 2008 59 0 0 ID API 650 11th Ed. Section 4-6 state that nozzle flange shall comply with ANSI B16.5. Is this statement also required for manhole flange? If "yes" its mean, plate ASTM A36 could not be used as manhole flange & manhole cover? Thanks for any advice
API 650 11th Ed. Section 4-6 state that nozzle flange shall comply with ANSI B16.5. Is this statement also required for manhole flange? If "yes" its mean, plate ASTM A36 could not be used as manhole flange & manhole cover? Thanks for any advice
Sep 24, 2011 #2 gr2vessels Mechanical Sep 29, 2004 1,971 0 0 AU API 650 has its own design of the inspection openings which are not B16.5 forged flanges. Accordingly, you can use the A36 plate. Cheers, gr2vessels Upvote 0 Downvote
API 650 has its own design of the inspection openings which are not B16.5 forged flanges. Accordingly, you can use the A36 plate. Cheers, gr2vessels
Sep 26, 2011 #3 yosamitysamm Mechanical Apr 1, 2009 28 0 0 CA Section 5.7.6.1.a states that manholes are excluded from having to meet the requirements of B16.5. Upvote 0 Downvote