Pressure vessel for human occupancy
Introduction A '''Pressure vessel for human occupancy''' is a container that is intended to be occupied by one or more persons at a pressure which differs from ambient by at least . Since 1977, the American Society of Mechanical Engineers PVHO committee has published standards governing the construction of a number of structures which are defined as '''Pressure Vessels for Human Occupancy'''. The current standard is PVHO-1-2019.Similar standards are published by a range of national and international standards organisations.
List of PVHO types * decompression chambers* Closed diving bells, also known as dry bells or personnel transfer capsules* High altitude chambers* hyperbaric chambers* hyperbaric stretchers* medical hyperbaric oxygenation facilities* recompression chambers* submarines* Manned submersibles* Atmospheric diving suitsNuclear reactor containments, aerospace cabins, caissons or mild hyperbaric chambers are not considered to be PVHOs according to the standard.
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