ÖNORM EN ISO 28921-1:2022 10 15
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Industrial valves - Isolating valves for low-temperature applications - Part 1: Design, manufacturing and production testing (ISO 28921-1:2022)
Published date
15-10-2022
This document specifies requirements for the design, dimensions, material, manufacture and production testing of gate valves, through valves, ball/stopcocks and flaps used as shut-off valves and check valves for cryogenic applications.
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