GB/T 12241-2005安全阀　一般要求.pdf

ICS 23.060.01;13.240 J 16 标准分享站 场臀 中 华 人 民 共 和 国 国 家 标 准 GB/T 12241-2005 代替GB/T 12241-1989 安全阀 一般要求 Safety valves-General requirements (ISO 4126-1:1991,Safety valves-Part 1:General requirements, MOD) 2005-02-21发布 2005-08-01实施 中华人民共和国国家质量监督检验检疫总局 中国国家 标准化管理委员会 发 布 标准分享站 GB/T 12241-2005 目 次 前言··············································································································，··…… 工 1 范围 ·············································································································…… 1 2 规范性引用文件 ·····························································，·······，，··········..……，…… 1 3 术语和定义 ······························································································，·····…… l 4设计和性能要求 ·····················································································..……，，，……3 4.1 设计、材料和结构············································································……，……3 4.2 动作性能和排量 ···········································································……，……5 5 试验 ··············································································································…… 5 5.1 出厂试验 ·················································································，···················……5 5.2 动作性能和排量试验 ··················································……，……，.，……7 6 排量的确定 ························································································…… 9 6.1排量系数的确定 ··················································……，·..·...·……，，.…，，.…，，……9 6.2用蒸汽作为试验介质时的理论排