ICS23.060.01N斗6ifG8中华人民共和国国家标准GB/'r17213‘7一1998eqvIEC534一7:1989工业过程控制阀第了部分:控制阀数据单Industrial-processcontrolvalvesPart7:Controlvalvedatasheet1998一01一21发布1998一10一01实施国家技术监督局发布cS/T17213.7一1998目次前言···························。·····，··················，，·····································，···············，，，·⋯IIEC前言·4···，·······················，.···················44，，，.，·························4····，··一IIEC序言·.................................................................................................................I1引言·······················.························································，·。···············⋯⋯12目的·....................................................................................................................I3范围·······，··。·，····““·‘····，·············，·················，。，，，，，····························，。，，，，，二14引用标准‘..............................................................................................................15定义·······························································，·········································⋯⋯26应用··························‘·····································，·····································，···⋯⋯27基本要求单···················，，············“····················...
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