46 CFR 56.20-20 - Valve bypasses.
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(a) Sizes of bypasses shall be in accordance with MSS SP-45 (incorporated by reference; see 46 CFR 56.01-2).
(b) Pipe for bypasses should be at least Schedule 80 seamless, and of a material of the same nominal chemical composition and physical properties as that used for the main line. Lesser thickness may be approved depending on the installation and service conditions.
[CGFR 68-82, 33 FR 18843, Dec. 18, 1968, as amended by USCG-2003-16630, 73 FR 65176, Oct. 31, 2008]
Title 46 published on 2014-10-01
no entries appear in the Federal Register after this date.