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sklademVydáno: 2018-10-31
BS ISO 21159:2018
Ships and marine technology. Butterfly valves for use in low temperature applications. Design and testing requirements
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| Označení normy: | BS ISO 21159:2018 |
| Počet stran: | 22 |
| Vydáno: | 2018-10-31 |
| ISBN: | 978 0 580 92658 7 |
| Status: | Standard |
DESCRIPTION
BS ISO 21159:2018
This standard BS ISO 21159:2018 Ships and marine technology. Butterfly valves for use in low temperature applications. Design and testing requirements is classified in these ICS categories:
- 47.020.30 Piping systems
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.