DS/ISO 21159
Ships and marine technology – Butterfly valves for use in low temperature applications – Design and testing requirements
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| Organization: | DS |
| Publication Date: | 5 November 2018 |
| Status: | active |
| Page Count: | 24 |
| ICS Code (Piping systems): | 47.020.30 |
scope:
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.
Document History
DS/ISO 21159
November 5, 2018
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...
Ships and marine technology -- Butterfly valves for use in low temperature applications -- Design and testing requirements
This International Standard specifies requirements of design, manufacture, and test methods for cryogenic butterfly valves in order to have excellent quality of leakage stability in a very low...