GB/T 37827-2019城镇供热用焊接球阀.pdf

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2019-09-20 发布于四川
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| 2019-08-30 颁布
| 2020-07-01 实施

GB/T 37827-2019城镇供热用焊接球阀.pdf

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ICS 91.140.10 P 46 茵昌中华人民共和国国家标准 GB/T37827一2019 城镇供热用焊接球阀 Weldedballvalveofrurbanheating 2019一08一30发布 2020一07一01实施国家市场监督管理总局发布中国国家标准化管理委员会 GB/T 37827一2019 目次前言 ··················································································································…… 111 1 范围 ···············································································································…… 1 2 规范性引用文件 ······································································.·…… 1 3 术语和定义 ·····························································································.·…… 2 4 标记和参数 ······································································································…… 3 5 结构 ···············································································································…… 3 6 一般要求 ·········································································································…… 6 7 要求 ···············································································································…… 9 8 试验方法 ·········································································································…… n 9 检验规则 ·········································································································…… 21 10 标志 ············································································································…… 41 n 防护、包装和贮运 ·····················································································.·…… 41 附录A(规范性附录)袖管 ·············

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