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PVHO-1: definition

Direct answer: ASME's Safety Standard for Pressure Vessels for Human Occupancy, a published engineering safety standard whose scope and adoption must be evaluated for the specific vessel and jurisdiction.

This formal term definition is educational context and not a product-specific legal, regulatory, or engineering determination.

Editorial disclosure: Educational information only; not legal, medical, regulatory, or engineering advice. Published with the Standards Knowledge Center; last reviewed 2026-08-20.

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