GB/T 12224-2005钢制阀门　一般要求.pdf

ICS23.060.30 J 16 荡鸿 中 华 人 民 共 和 国 国 家 标 准 GB/T 12224-2005 代替 GB/T 12224-1989 钢制阀门 一般要求 Generalrequirementsforindustrialsteelvalves 2005-09-19发布 2006-04-01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 44f17 GB/T12224-2005 目 次 前言 ···············································，，，。·······。··，·，··，，，，··········，·······························…… 皿 1 范围 ·············································。·。·······，，，·······，，，，，，····································…… 1 2 规范性引用文件 ···，，，，，，，······，·····，··，··，··················································..·.·.·…… 1 3 压力一温度额定值 ·····。。·····，·，，，··············································································…… 3 3.1 概述 ·······。。。····，··。··，，，，，，·，··············································································……，3 3.2 额定温度 ·，·，，，，，，·，···················，·，·，··································································…… 3 3.3 温度影响 ，······，·，························································································……。3 3.4 法兰连接端阀门使用要求，，················，，，，·······························…… 12 3.5 偏差·························································································，·，，·。·········，···，，一 12 3.6 多种材料等级 ····················································································..…… ，，，，，.，12 3.7 局部运行条件 ····················································································…… ，，，，，，，12 4 标 志 ···················································································