GB/T 17213.8-1998工业过程控制阀　第8部分：噪声的考虑　第1节：实验室内测量空气动力流流经控制阀产生的噪声.pdf

ICS23.060.01 N 16 中 华 人 民 共 和 国 国 家 标 准 GB/T 17213.8一1998 eqvIEC534-8-1:1986 工业过程控制阀 第8部分:噪声的考虑 第 1节:实验室内测量空气动力流 流经控制阀产生的噪声 Industrial-processcontrolvalves Part8:Noiseconsiderations Section1:Laboratorymeasurementofnoise generatedbyaerodynamicflowthrough controlvalves 1998一01一21发布 1998一10一01实施 国 家 技 术 监 督 局 发 布 GB/T 11213.8一 1998 目 次 月u舀 IEC前言 ············································································································…… IEC序言 ························。························，·· 1 范围 ·······，，，，，， ·······，，，，····t，‘···，，甲甲，······“‘····，，，···，，·“····，，，，，，，甲，“ ··，，，，甲甲，一 2 目的 。‘····。····，，，···。、。···········，，，····。··。········，，···。。··。。····。··，，，···。‘············，，，，·················，… 3 引用标准 ···········，·································。··，···················，··································…… 4 定义 ·························································，············。…… 5 试验系统 ·······，，，，············，··········。··，·，，二 6 试验程序 ·····，·，，，，，·············，··，······‘··········，，，··············，，。，···，···········，···············，，，二 7 试验数据 ·········，······。··············。··············，·、·················，·················，，·····，···········一 GB/r 17213.8一 1998 前 言 本标准是根据国际 电工委员会 IEC534-8-1:1986《工业过程控制阀 第 8部分 :噪声 的考虑 第 1 节:实验 室内测量空气动力流流经控制阀产生 的噪声)}(第一版)进行制订 的，在技 术内容上 与该国际标 准等 效 由于IEC534-8-1于 1986年制订，引用标准ISO4200:1985已修订，本标准将其改为新的版本 ISO4200:1991;为了与现行的国内标准相协调，引用标准IEC651:1979改为国家标准GB3785-83, ISO3744:1981和 ISO3745:1977分别改为国家标准GB3767-83和GB6882-