Abstract
This document specifies requirements of design, manufacture, and test methods for cryogenic check valves to have excellent quality of leakage stability in very low temperature environments (−50 °C to −196 °C).
General information
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Status: PublishedPublication date: 2019-05Stage: Close of review [90.60]
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Edition: 1Number of pages: 14
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Technical Committee :ISO/TC 8/SC 3ICS :47.020.30
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Amendments
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 2021
Life cycle
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Now
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00
Preliminary
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10
Proposal
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20
Preparatory
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30
Committee
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40
Enquiry
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50
Approval
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60
Publication
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90
Review
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95
Withdrawal
Amendments
Provide additional content; available for purchase; not included in the text of the existing standard.PublishedISO 20602:2019/Amd 1:2021
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00