2025 ASME BPVC, Section XII, Rules for Construction and Continued Service of Transport Tanks

ASME Section XII covers requirements for construction and continued service of pressure vessels for the transportation of dangerous goods via highway, rail, air, or water at pressures from full vacuum to 3,000 psig and volumes greater than 120 gallons.

“Construction” is an all-inclusive term comprising materials, design, fabrication, examination, inspection, testing, certification, and over-pressure protection.

“Continued service” is an all-inclusive term referring to inspection, testing, repair, alteration, and recertification of a transport tank was in service.

This Section contains modal appendices containing requirements for vessels used in specific transport modes and service applications.