城镇供热预制直埋蒸汽保温管管路附件技术条件

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1、城镇供热预制直埋蒸汽保温管管路附件技术条件IcomP46gJ中华人民共和国城镇建设行业标准CJT246一2007城镇供热预制直埋蒸汽保温管管路附件技术条件TechnicalsPecificationofPreofrmeddirectlyburiedsteaminsulatingPiPelineaccessoriesofrmuniciPalheat一suPPly2007一04一09发布2007一11一01实施中华人民共和国建设部发布J〔T246一2007目次前言················································

2、··································································皿1范围···············································································································12规范性引用文件··············································································13术语和定义·····

3、·································································································14基本组成·········································································································25要求····································································

4、·····································任6试验方法·····································································································7检验规则···········································································································一下8标志运输及贮存··············

5、·····································································赶口T246一2007前言本标准为首次制定的行业标准本标准是城《镇供热预制直埋保温管》系列标准之一该系列标准为CJTl4l一2高密度聚乙烯外护管聚氨酷泡沫塑料预制直埋保温管CJT219一20玻璃纤维增强塑料外护层聚氨醋泡沫塑料预制直埋保温管CJT14一2O01供热管道保温结构散热损失测试与保温效果评定方法CJT155一2O01高密度聚乙烯外护管聚氨醋泡沫塑料预制直埋保温管件CJTZ一24城镇供热预制直埋蒸汽保温管技术条

6、件本标准由建设部标准定额研究所提出本标准由建设部城镇建设标准技术归口单位城市建设研究院归口本标准起草单位城市建设研究院天津中油渤星工程科技股份有限公司北京豪特耐管道设备有限公司河北华孚管道防腐保温有限公司江苏地龙管业有限公司上海科华热力管道有限公司大连科华热力管道有限公司大连新光管道制造有限公司天津管道工程集团有限公司保温管厂哈尔滨四达管道制造有限公司中石化上海工程公司无锡市金龙波纹管补偿器厂天津泰达保温材料有限公司北京鼎超供热管有限公司浙江ASC新型材料有限公司大连天正热电设备有限公司本标准主要起草人李国祥莫理京贾丽华方向军杨建包卫军邵秋杨秋陈雷王忠生

7、于宁钱维平王为民田书通陆君利钱立宪裘晓荣郑吉发口T246一2007城镇供热预制直埋蒸汽保温管管路附件技术条件范围本标准规定了城镇供热预制直埋蒸汽保温管管路附件以下简称管路附件的术语和定义基本组成要求试验方法检验规则及标志运输贮存本标准适用于输送蒸汽温度不大于350℃工作压力不大于16MPa管路附件的制造与检验输送热水温度不小于巧℃工作压力不大于2SMPa管路附件的制造与检验可参照本标准执行2规范性引用文件下列文件中的条款通过本标准的引用而成为本标准的条款凡是注日期的引用文件其随后所有的修改单不包括勘误的内容或修订版均不适用于本标准然而鼓励根据本标准达成协

8、议的各方研究是否可使用这些文件的最新版本凡是不注日期的引用文件其最新版本适用于本