ASME Pressure Vessel Modification

A client recently modified an ASME ammonia pressure vessel that provided me the opportunity to dive into the requirements that must be adhered when performing such activities. Here is a summary of what I learned: 1. IIAR Standards IIAR doesn’t speak directly to the issue of pressure vessel modification, however,  ANSI/IIAR 2-2008 Addendum B §9.2 Procedures/Testing does […]