The piping for industrial systems under this subpart must meet ANSI B31.3 (incorporated by reference, see 46 CFR 58.03-1), except that blow out preventor control systems must also meet API RP 53 (incorporated by reference, see 46 CFR 58.03-1).

[USCG-2003-16630, 73 FR 65188, Oct. 31, 2008]


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