| Standard | Focus | | :--- | :--- | | | Guidelines for pressure boundary bolted flange joint assembly (US-focused, more common in Americas). | | EN 1591-1 & -2 | Design calculation method and gasket parameters. | | API RP 574 | Inspection practices for piping system components. | | ISO 10497 | Testing of valves, but relevant for flange isolation. |
EEMUA 158 defines the essential requirements for the fabrication of . Its scope includes: eemua 158 standard pdf
This is the operational heart of the standard. It defines four periodic inspection types: | Standard | Focus | | :--- |
EEMUA Publication 158, titled "Construction considerations for floating production, storage and offloading units (FPSOs) and floating storage units (FSUs)" , is a definitive industry guide published by the Engineering Equipment and Materials Users Association (EEMUA). | | ISO 10497 | Testing of valves,
EEMUA 158 is a practical, industry-oriented guide for managing alarm and protective device systems across their lifecycle. When combined with functional safety standards and sound engineering judgment, it helps ensure that detection and protective layers operate reliably, are maintainable, and deliver required safety performance in hazardous process environments.