This section of the Library covers ISO, one of the most important standards organizations worldwide. ISO standards address pipes, fittings, components, valves, corrosion protection, testing, and much more. The number of ISO standards dealing with piping and piping systems is considerable, approximately 150 by rough estimate. We have compiled here the most commonly used ones.

NOTE: The list below does not cover the ISO content, but serves as a concise reference guide to understand the scope and purpose of each and therefore identify the right one for the project.

PLUS: We have added some important notes to help avoid common mistakes when working with these standards.

If you wish to consult the full version of any ISO standard or do not have access to it, you can purchase it at ISO — International Organization for Standardization.

Flowazur is not affiliated with, endorsed by, or sponsored by ISO, ASTM, ASME or API. All standard names and numbers are property of their respective organizations.”