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1、GB/T10002.2-2003目次前言·一1范围·····················,············································································,,··········⋯⋯12规范性引用文件·············································································.·...⋯⋯,.......⋯⋯13材料···············
2、··························································,···········,·························一14产品分类··········································,·········,····················································⋯⋯15技术要求······,·······,····························
3、············································,·················⋯⋯26试验方法··········································································,·····························,,,⋯67检验规则··········,····································,···························
4、····························⋯⋯78标志、包装、运输、贮存···,······················································⋯⋯,.......⋯⋯,..........⋯⋯8附录A(资料性附录)管件安装尺寸································································........⋯⋯9附录B(规范性附录)系统适应性试验方法······················
5、···········································一26附录C(资料性附录)本部分章条编号与ISO4422-3;1996章条对照······························⋯⋯35附录D(资料性附录)本部分与ISO4422-3:1996技术性差异及其原因···························⋯⋯36.www.bzxzk.com.GB/T10002.2-2003月U舀GB/T10002是由两部分组成:—GB/T10002.1《给水用硬聚氯乙烯(PV
6、C-U)管材》;—GB/T10002.2《给水用硬聚氯乙烯(PVC-U)管件》本部分是GB/T10002.2。本部分修改采用ISO4422-3:1996《给水用硬聚氯乙烯管材和管件—第3部分:管件和连接件》。在采用ISO4422-3:1996时,本部分作了一些修改。有关编辑性和技术性的差异在附录C和附录D中给出了一览表,以供参考。本部分代替GB/T10002.2-1988《给水用硬聚氯乙烯管件》。本部分的主要修定内容有:—参照ISO4422-3:1996,增加了“材料”一章,见第3章;—参照ISO4422-3:1
7、996,修改了弹性密封圈承口管件配合尺寸;—参照ISO4422-3:1996,扩大粘接式管件和弹性密封圈式管件的管径范围;—参照ISO4422-3:1996,将维卡软化温度要求由720C提高到740C,并取消了密度及吸水性的试验要求;—参照ISO4422-3:1996,增加了1000h液压试验;—修改了卫生性能要求;—等同采用ISO4422-5:1996,增加了系统适用性要求。本部分的附录B为规范性附录,附录A、附录C、附录D为资料性附录。本部分由中国轻工业联合会提出本部分由全国塑料制品标准化技术委员会(TC48
8、)归口。本部分起草单位:中国建筑标准设计研究所、轻工业塑料加工应用研究所、成都川路塑胶集团、南亚塑胶管件(厦门)有限公司。本部分主要起草人:贾立蓉、贾苇、刘秋凝、潘必纯、许盛光本部分所代替标准的历次发布情况为:GB/T10002.2--1988e.www.bzxzk.com.GB/T10002.2-2003给水用硬聚氯乙烯(PVC-U)管件范围GB/T10002的本部分规
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