现行 JB/T 14320-2022
氧气用止回阀 氧气用止回阀
发布日期:2022-10-20
实施日期:2023-04-01
分类信息
研制信息

归口单位: 工业和信息化部

标准简介

本文件规定了氧气用止回阀的结构型式、技术要求、检验、试 验方法、检验规则、标志、以及防护、包装和贮运。本文件适用于工作压力不大于 21MPa 且大于 0.1MPa、公称尺寸 DN25~DN1000(NPS1~NPS40),氧气介质温度-30℃~200℃、露点 不高于-30℃、纯度(体积分数)大于 23.5%,连接方式为法兰、对 夹或支耳式的氧气用止回阀的制造

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最后更新时间 2025-09-02