International Standard
ISO 21013-4:2012
Cryogenic vessels — Pilot operated pressure relief devices — Part 4: Pressure-relief accessories for cryogenic service
Reference number
ISO 21013-4:2012
Edition 1
International Standard
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ISO 21013-4:2012
Published (Edition 1, 2012)
This standard was last reviewed and confirmed in 2017. Therefore this version remains current.
This standard has 1 amendment.

ISO 21013-4:2012

ISO 21013-4:2012
CHF 63
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ISO 21013-4:2012 specifies the requirements for the design, manufacture and testing of pilot operated pressure relief valves for cryogenic service, i.e. for operation with cryogenic fluids in addition to operation at temperatures from ambient to cryogenic. It is restricted to valves not exceeding a size of DN 300 designed to relieve single phase vapours, gases, or mixtures of gases and/or vapours.

General information

  •  : Published
     : 2012-06
    : Close of review [90.60]
  •  : 1
     : 10
  • ISO/TC 220
  • RSS updates


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 2019

ISO 21013-4:2012/Amd 1:2019
CHF 18
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Life cycle

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