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21/30422399 DC BS EN ISO 21012. Cryogenic vessels. Hoses

21/30422399 DC

BS EN ISO 21012. Cryogenic vessels. Hoses

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Standard number:21/30422399 DC
Pages:27
Released:2021-09-23
Status:Draft for Comment
DESCRIPTION

21/30422399 DC


This standard 21/30422399 DC BS EN ISO 21012. Cryogenic vessels. Hoses is classified in these ICS categories:
  • 83.140.40 Hoses
  • 23.020.40 Cryogenic vessels

This document 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.

It is intended that the hose be designed and tested to satisfy a rated pressure. 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.