GB/T 5661-2004轴向吸入离心泵　机械密封和软填料用空腔尺寸.pdf

JICS71 霭S 中 华 人 民 共 和 国 国 家 标 准 GB/T5661-2004 代替GB/T 5661-1985 轴向吸入离心泵 机械密封和 软填料用空腔尺寸 End-suctioncentrifugalpumps-Dimensionsofcavitiesformechanicalsealsand forsoftpacking (ISO3069:2000,MOD) 2004-06-09发布 2004-12-01实施 中华人民共和国国家质量监督检验检疫总局 发 布 中 国 国家 标 准 化 管 理 委 员 会 GB/T5661-2004 目 次 月U舀 ··。······。··································································。。·。··。···············。·。··············。。… I 1 范围 ···············································································································…… 1 2 规范性引用文件 ······································································.··..··...…… 1 3 术语和定义 ······································································································…… 1 4密封腔和密封压盖附件尺寸规范 ··································································…·…‘·“’二‘2 5 密封腔设计要求 ···················································.·...·········.····..…… 6 附录A (资料性附录) 本标准章条编号与ISO3069:200。章条编号对照 ··························… … 7 附录B(资料性附录) 本标准与ISO3069:200。技术差异及其原因 ·································…… 8 附录C(资料性附录)一般用途整装插人式机械密封用空腔尺寸(密封腔代号ISO3069-C)···……9 参考文献 ············································································································…… 11 GB/T5661-2004 oli 舌 本标准修改采用国际标准ISO3069:2000《轴向吸人离心泵 机械密封和软填料用空腔尺寸))(英 文版)。 本标准代替GB/T5661-1985《轴向吸人离心泵 机械密封和软填料用空腔尺寸》。 本标准根据ISO3069:2000重新起草，为了方便于比较，在资料性附录A中列出了本标准章条编 号与ISO3069:200。章条编号的对照一览表。 考虑到我国国情，本标准在采用国际标准时进行了修改。在资料性附录B中给出了技术差异及其 原因的一览