API 510 Inspections

Covers the in-service inspection, repair, alteration, and rerating activities for pressure vessels and the pressure- relieving devices protecting these vessels. This inspection code applies to most refining and chemical process vessels that have been placed in service.

This includes:

  • Vessels constructed in accordance with an applicable construction code
  • Vessels constructed without a construction code (non-code)-A vessel not fabricated to a recognized construction code and meeting no known recognized standard
  • Vessels constructed and approved as jurisdictional special based upon jurisdiction acceptance of particular design, fabrication, inspection, testing, and installation.
  • Nonstandard vessels-A vessel fabricated to a recognized construction code but has lost its nameplate or stampingqualified to conduct periodic inspections and investigate abnormalities in the operation of covered equipment.