Project No.ISO 21157:2018
Title<p>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).</p>
Registration number (WIID)69991
Scope<p>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).</p>
StatusStandarts spēkā
ICS group47.020.30