StacksVerified U.S. regulatory reference

46 CFR §182.715

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
Piping subject to more than 1,034 kPa (150 psig) in a non-vital system must be designed, fabricated, and inspected in accordance with the principles of ANSI B 31.1, or other industry standard acceptable to the Commandant.