90.60 Close of review Sep 3, 2024
ISO
ISO/TC 8/SC 3 Piping and machinery
International Standard
47.020.30 Piping systems
Published
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).
PUBLISHED
ISO 20602:2019
90.60
Close of review
Sep 3, 2024
PUBLISHED
ISO 20602:2019/Amd 1:2021