ISO 21159:2018 Preview

Ships and marine technology -- Butterfly valves for use in low temperature applications -- Design and testing requirements

This document specifies requirements for design, manufacture, and test methods of cryogenic butterfly valves in order to have an excellent quality leakage stability in a very low temperature service (−196 °C to 80 °C).

It is applicable to valves of nominal sizes: DN: 80, 100, 150, 200, 250, 300, 350, 400, 450, 500, 550, 600 corresponding to nominal pipe size (NPS): 3, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24.


General information

  • Status :  Published
    Publication date : 2018-11
  • Edition : 1
    Number of pages : 14
  • :
    ISO/TC 8/SC 3
    Piping and machinery
  • 47.020.30
    Piping systems

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