: The full, updated 2025 edition (3rd Edition) can be purchased through technical document providers like Skybear Standards .
If you are buying a small gas compressor for a well pad or gas lift, you likely need API 11P . For a multi-stage refinery hydrogen compressor, you need API 618 . api 11p pdf
All process piping within the package must meet ASME B31.3 requirements. However, API 11P adds specific clauses for: : The full, updated 2025 edition (3rd Edition)
The specification covers structural skid design (clause 6.5). Lifting lugs, baseplate flatness, and tie-down points must all be certified. A missing lifting lug analysis is a common non-conformance. : The full