90.93 Standard confirmed Sep 9, 2022
ISO
ISO/TC 8/SC 3 Piping and machinery
International Standard
47.020.30 Piping systems
ISO 18139:2017 specifies design, manufacture and test method requirements for cryogenic globe valves for excellent quality leakage stability for use in a very low temperature environment (−50°C to −196°C).
PUBLISHED
ISO 18139:2017
90.93
Standard confirmed
Sep 9, 2022