C.F.R. » Title 46 » CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY › SUBCHAPTER F—MARINE ENGINEERING › PART 56—PIPING SYSTEMS AND APPURTENANCES › Subpart 56.20—Valves

46 C.F.R. § 56.20-20

Valve bypasses

Read at: eCFRecfr.gov CornellLII GovInfogovinfo.gov CasesGoogle Scholar

(a) Sizes of bypasses must be in accordance with MSS SP-45 (incorporated by reference; see § 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]