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SS-EN ISO 23208:2019
Cryogenic vessels - Cleanliness for cryogenic service (ISO 23208:2017) (Swedish Standard)
This document specifies the minimum requirements for the cleanliness of all surfaces of cryogenic vessels and associated accessories that are in contact with the cryogenic fluid at any expected operating conditions. This document defines the acceptable level of surface and particle contamination to minimize the risk of malfunction of equipment and ensure safety against ignition when in contact with oxygen or oxidizing fluids (see EN ISO 10156).
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Swedish Standards Institute [sis]
Swedish Standards Institute [sis]