ISO 21012:2018 specifies design, construction, type and production testing, and marking requirements for non-insulated cryogenic flexible hoses used for the transfer of cryogenic fluids within the following range of operating conditions:- working temperature: from −270 °C to +65 °C;- nominal size (DN): from 10 to 100.End fittings for mounting of any couplings are within the scope of this document, but the couplings are subject to other standards.ISO 21012:2018 is intended that the hose be designed and tested to satisfy the generally accepted rated pressure i.e. at least PR 40. Hoses may be then selected with a PR equal to or greater than the maximum allowable pressure (PS) of the equipment to which it is to be used.
Document identifier
ISO 21012:2018
Title
Cryogenic vessels - Hoses
ISO Category
TC 220: Cryogenic vessels
Publication date
2018-03-01
International Relationship
BS EN ISO 21012:2018
History of version
ISO 21012:2018 * ISO 21012:2006
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103 vnd |
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