GB/T 17213.2-2005工业过程控制阀　第2-1部分：流通能力安装条件下流体流量的计算公式.pdf

ICS23.060.01 N 16 中 华 人 民 共 和 国 国 家 标 准 GB/T 17213.2-2005八EC60534-2-1:1998 工业过程控制阀 第2-1部分:流通能力 安装条件下流体流量的计算公式 Industrial-processcontrolvalves-Part2-1:Flowcapacity-Sizingequationsfor fluidflow underinstalledconditions (IEC60534-2-1:1998，IDT) 2005-09-09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 发 布 GB/T 17213.2-2005/IEC 60534-2-1;1998 目 次 前言 ··················································································································…… I 1 范围 ··································································································，··············一 1 2 规范性引用文件 ································································································…… 1 3 定义 ···············································································································…… 1 4 安装 ···············································································································…… 1 5 符号 ························································，·····，···············，·，······························…… 2 6不可压缩流体的计算公式 ················，·············，·····，···，··················，·······················…·…3 7可压缩流体的计算公式 ，，，，··，···，·，··，··，··，·············，········，·，，，····，·，，········，····，，···········，···一· 4 8 修正系数的确定 ································································································…… 6 附录A (资料性附录) 控制阀类型修正系数Fd的推导 ，·····················，·························…… 16 附录B(资料性附录) 控制阀流量计算流程图 ·········，·····，，，，，，·，················，·，·，··，·，···········…… 19 附录C(资料性附录) 物理常数 ，，，，，，，··，··，······，，，，，··，········，，，，，，，··，，，，················，，，···········，·，… 23 附录D(资料性附录)尺寸计算示例 ···，···········。。。。。。·。。·。····，·····。，，，。。。。···。。，，，，。一 25 参考文献 ，，，·，········· ·