r-IlJ中华人民共和国城镇建设行业标准c,l/T175-2002冷热水用耐热聚乙烯(PE-RT)管道系统Polyethyleneofraisedtemperatureresistance(PE-RT)pipingsystemsforhotandcoldwaterinstallations2002一11一09发布2003一01一01实施中华人民共和国建设部发布CJ/T175-2002目次前言····························。·········。····。········。···························································,·⋯⋯11范围······················。·········。····。········。······························································⋯⋯12规范性引用文件··································································,·····························⋯⋯13定义、符号和缩略语·········。···················································································⋯⋯14使用条件级别·······。···························。·······························································⋯⋯45材料·······································。······································································⋯⋯56产品分类·································,···························。··········································⋯⋯57管系列S值的选择·········································。····················。···················.·······....