MMechAtlasby MaintAi_Lab

API 653 / API 620 Tank inspection & repair / low-pressure tanks

CurrentLatest edition found. Still confirm amendments with the publisher.
Edition
API 653 5th ed., 2014 (Add. 1 2018, Add. 2 + Errata 2020); API 620 12th ed., 2013 (Add. 3, 2021)
Publisher
API
Part family
Pressure vessels & piping codes
Reviewed
23 October 2026 · source not yet checked

Is API 653 / API 620 still current?

Yes. API 653 5th ed., 2014 (Add. 1 2018, Add. 2 + Errata 2020); API 620 12th ed., 2013 (Add. 3, 2021) is the latest edition MechAtlas found (MechAtlas review: 23 October 2026). Check the publisher for amendments before you specify it.

What it covers

Tank inspection & repair / low-pressure tanks

Some editions could not be confirmed on a publisher page — check before use.

Official source

MechAtlas does not reproduce standards. Check the official edition at the publisher's page for API 653 / API 620 or the API store.

Open in MechAtlasCheck a drawing callout

Other pressure vessels & piping codes standards

All Pressure vessels & piping codes standards →