Standard

NS-EN ISO 21012:2018

Withdrawn

Note: This standard has a new edition: NS-EN ISO 21012:2024

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Abstract

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 information

  • Standard from SN
  • Published:
  • Withdrawn:
  • Edition: 2018-12
  • Version: 1
  • Document type: NAT
  • ICS 23.020.40
  • ICS 83.140.40
  • National Committee SN/K 39

Legal references

EU law: 2014/68/EU, 2008/68/EC

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