Abstract
This document 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.
This document applies to large transportable vacuum-insulated cryogenic vessels for fluids specified in 3.1 and does not apply to vessels designed for toxic fluids.
This document does not include the general vehicle requirements, e.g. running gear, brakes, lighting, etc.
NOTE 1 This document does not cover specific requirements for refillable liquid-hydrogen tanks that are primarily dedicated as fuel tanks in vehicles. For fuel tanks used in land vehicles, see ISO 13985.
NOTE 2 This document does not cover specific requirements for refillable liquid hydrogen and LNG tanks that are primarily dedicated as fuel tanks in vehicles. For fuel tanks used in vehicles, see ISO 13985.
General information
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Status: PublishedPublication date: 2019-06Stage: International Standard to be revised [90.92]
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Edition: 2Number of pages: 125
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Technical Committee :ISO/TC 220ICS :23.020.40
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Amendments
Amendments are issued when it is found that new material may need to be added to an existing standardization document. They may also include editorial or technical corrections to be applied to the existing document.
Amendment 1
Edition 2022
Life cycle
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Previously
WithdrawnISO 20421-1:2006
WithdrawnISO 20421-1:2006/Cor 1:2007
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Now
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00
Preliminary
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10
Proposal
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20
Preparatory
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30
Committee
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40
Enquiry
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50
Approval
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60
Publication
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90
Review
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95
Withdrawal
Amendments
Provide additional content; available for purchase; not included in the text of the existing standard.PublishedISO 20421-1:2019/Amd 1:2022
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00
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Will be replaced by
Under developmentISO/CD 20421-1