ISO 20421-2:2017

Cryogenic vessels - Large transportable vacuum-insulated vessels - Part 2: Operational requirements

ISO 20421-2:2017 specifies operational requirements for large transportable vacuum-insulated cryogenic vessels.

These operational requirements include putting into service, filling, withdrawal, transport within the location, storage, maintenance, periodic inspection and emergency procedures.

For the transport of these vessels by public road, rail, waterway, sea and air, additional requirements can apply; these are defined in specific regulations.

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