ISO 20421-1:2006 Preview
Cryogenic vessels -- Large transportable vacuum-insulated vessels -- Part 1: Design, fabrication, inspection and testing
This standard was last reviewed and confirmed in 2009. Therefore this version remains current.
ISO 20421-1:2006 specifies requirements for the design, fabrication, inspection and testing of large transportable vacuum insulated cryogenic vessels of more than 450 l volume, which are permanently (fixed tanks) or not permanently (demountable tanks and portable tanks) attached to a means of transport, for one or more modes of transport.
ISO 20421-1:2006 applies to large transportable vacuum insulated cryogenic vessels for cryogenic fluids, and does not apply to vessels designed for toxic fluids.
ISO 20421-1:2006 does not include the general vehicle requirements, e.g. running gear, brakes, lighting, etc., which are in accordance with the relevant standards/regulations.
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