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API 572, 574 & 576 Vessel, Piping & Relief Valve Inspection
Published 8/2026
Created by ProjectEngPro Engineering and Project Management
MP4 | Video: h264, 1920x1080 | Audio: AAC, 44.1 KHz, 2 Ch
Level: Intermediate | Genre: eLearning | Language: English | Duration: 20 Lectures ( 3h 48m ) | Size: 2.2 GB
CML selection & thickness practice, injection points & dead legs, buried piping, relief device testing & interval settin
What you'll learn
Select condition monitoring locations and set CML density by circuit consequence, not by habit Inspect the locations that cause most unexpected failures - injection points, dead legs and soil-to-air interfaces Inspect and test pressure-relieving devices, and set test intervals from as-found data Carry out a systematic internal and external vessel inspection, including internals, linings and clad surfaces Calculate short and long term corrosion rates from thickness data, and recognise accelerating corrosion Apply the safety regime that governs inspection work - confined space, isolation, gas testing and toxic hazards Inspect buried, insulated and inaccessible piping, including guided wave and long-range ultrasonic screening Inspect valves, flanges and small-bore connections, and recognise vibration fatigue at branch connections Write an inspection report that separates findings from recommendations and stands as a technical record Evaluate findings against minimum required thickness and decide when to escalate to fitness-for-serviceRequirements
No prior inspection experience is required - the practices are built from first principles Any engineering, technical or maintenance background is enough to follow the course Helpful but not essential: familiarity with pressure equipment, piping or plant operations No software, equipment or purchases needed - this is applied inspection practice Useful alongside the course but not required: copies of API 572, 574 and 576Description
API 510, 570 and 653 tell you what must be inspected and how often. They do not tell you how to actually do it.
That is what API 572, 574 and 576 are for - the recommended practices covering vessel inspection, piping inspection, and pressure-relieving device inspection. They are source documents for the API certification examinations and, more usefully, they are the closest thing the industry has to a written account of how competent inspection is performed.
This course covers all three.
WHAT YOU WILL MASTER
Five sections cover inspection foundations and safety, vessel inspection practice, piping inspection practice, relief device inspection, and records, evaluation and close-out.
You will learn inspection planning from equipment history and predicted damage mechanisms, the safety regime that governs the work - confined space entry, isolation, gas testing, pyrophoric and toxic hazards - and the tools and data quality practices that everything downstream depends on.
VESSEL INSPECTION (API 572)
Vessel types and where damage concentrates. External inspection of insulation, coating, supports, saddles and skirts. Systematic internal survey once entry is made, including welds, heads, nozzles, internals, trays and linings. Thickness measurement location selection and grid design, and the specialised techniques needed on clad and lined vessels.
PIPING INSPECTION (API 574)
The highest-value section for most inspectors. Injection and mix points, dead legs and stagnant branches, soil-to-air interfaces, elbows and areas of turbulence. Condition monitoring location selection and density by circuit consequence. Scanning versus spot readings, measurement repeatability, short and long term corrosion rate calculation, and the statistical treatment of thickness data. Plus valves, flanges, small-bore connections, and buried and insulated piping including guided wave screening.
RELIEF DEVICE INSPECTION (API 576)
The subject with the least available training anywhere. Device types and failure modes, why relief valves fail on test, inlet and outlet fouling, set point drift, leakage and simmer, back pressure effects, and damage from previous discharge. Then shop practice: as-found set pressure verification, disassembly and component inspection, seat lapping, reassembly, post-repair testing, and setting test intervals from historical as-found data rather than habit.
TURNING FINDINGS INTO DECISIONS
The final section covers what happens after the inspection: reporting findings objectively, calculating corrosion rates and remaining life, recognising accelerating corrosion, escalating to fitness-for-service, deciding between repair, replacement and continued operation, and feeding the data back so the next inspection is better targeted than this one.
WHO THIS IS FOR
Working inspectors who want their field practice sharpened. Engineers preparing for API 510, 570 or 653, where all three RPs are source documents. Integrity engineers who specify inspection scope and review the findings. NDT technicians who want the inspection context behind the measurements. And maintenance and reliability engineers responsible for relief device programmes.
WHAT YOU GET
Structured on-demand video across 20 focused lessons and five sections, section quizzes and a final exam, lifetime access on mobile and TV and a certificate of completion.
No prior inspection experience is required - the practices are built from first principles. No software or equipment needed.
Enrol now and learn how the inspection is actually done.
Who this course is for
Working inspectors who want their field practice sharpened against the recommended practices Engineers preparing for API 510, 570 or 653, where all three RPs are named source documents Integrity and reliability engineers who specify inspection scope and review the findings NDT technicians and engineers who want the inspection context behind the measurements they take Maintenance engineers responsible for pressure-relieving device testing and interval programmes Graduate and early-career engineers entering inspection roles who need practical groundingHomepage
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