API RP 572 PDF
This recommended practice supplements API 510 by providing pressure vessel inspectors with information that can improve skills and increase basic knowledge of inspection practices. It describes inspection practices for the various types of pressure vessels (e.g. towers, exchanger, air-cooled heat exchanger, reactors, and spheres) used in the hydrocarbon and chemical process industry.
This recommended practice addresses vessel components, inspection planning processes, inspection intervals, methods of inspection and assessment, methods of repair, records, and reports.
API 510 has requirements and expectations for inspection of pressure vessels.
