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ISO 21159:2018
Ships and marine technology — Butterfly valves for use in low temperature applications — Design and testing requirementsMore info
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.
| Author | ISO/TC 8/SC 3 Piping and machinery |
|---|---|
| Editor | ISO |
| Document type | Standard |
| Format | Paper |
| Edition | 1 |
| ICS | 47.020.30 : Piping systems |
| Number of pages | 14 |
| Weight(kg.) | 0.1238 |
| Year | 2018 |
| Country | Switzerland |