标准编号：ISO 21159:2018
中文名称：船舶和海上技术 低温应用蝶阀 设计和测试需求
英文名称：Ships and marine technology — Butterfly valves for use in low temperature applications — Design and testing requirements
发布日期：2018-11
标准范围
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.
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