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Homepage>ISO Standards>ISO 21012:2018-Cryogenic vessels-Hoses
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download between 0-24 hoursReleased: 2018
ISO 21012:2018-Cryogenic vessels-Hoses

ISO 21012:2018

ISO 21012:2018-Cryogenic vessels-Hoses

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Standard´s number:ISO 21012:2018
Pages:15
Edition:2
Released:2018
DESCRIPTION

ISO 21012:2018


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.