Objavljen
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).
OBJAVLJEN
ISO 20602:2019
90.60
Završetak postupka preispitivanja standarda
3. 9. 2024.
OBJAVLJEN
ISO 20602:2019/Amd 1:2021