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ISO 21157:2018
New product
ISO 21157:2018 Ships and marine technology - Ball valves for use in low temperature applications - Design and testing requirements
standard by International Organization for Standardization, 11/01/2018
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Full Description
This document specifies requirements for design, manufacture and test methods of cryogenic ball valves in order to have an excellent quality leakage stability in a very low temperature service (196 C to 80 C).