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ISO 15926

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The international standard for representing and integrating lifecycle information about process plants — a common data model and reference vocabulary intended to let plant information move between systems, organisations and decades without losing its meaning.

ISO 15926 addresses the long problem: a process facility's information outlives every tool, format and contractor that touches it, and the standard's ambition is a representation neutral enough to survive them all — a generic data model plus reference libraries of standard classes, so that "centrifugal pump" and its properties mean the same thing in every compliant system, this year and in thirty.

Its practical career has been as a foundation more than a product. Direct implementation is demanding — the standard's generality is real work to apply — and its adoption has flowed mainly through specifications derived from and aligned with it: DEXPI for P&ID exchange, CFIHOS for handover information, and owner data specifications built on its vocabularies. Judged as a deployable format it can look perpetually forthcoming; judged as the semantic groundwork under the process industry's interoperability efforts, it is quietly everywhere.

For a project, the standard matters at one remove: the question is rarely "do we implement ISO 15926" and usually "which specification built on it does our owner's information requirement cite" — which is the form in which its decades of committee work actually arrive on site.

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