CFR /  Title 46  /  Part 182  /  Sec. 182.715 Piping subject to more than 1,034 kPa (150 psig) in

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.