DB51T 5054-2017 四川省建筑给水薄壁不锈钢管管道工程技术规程

四川省工程建设地方标准四川省建筑给水薄壁不锈钢管管道工程技术规程TechnicalspecificationforlightgaugestainlesssteelpipelineengineeringofbuildingwatersupplyinSichuanProvinceDB51/T5054－2017主编单位：四川省城镇供水排水协会中国建筑西南设计研究院有限公司批准部门：四川省住房和城乡建设厅施行日期：2018年1月1日西南交通大学出版社2017成都3关于发布工程建设地方标准《四川省建筑给水薄壁不锈钢管管道工程技术规程》的通知川建标发〔2017〕694号各市州及扩权试点县住房城乡建设行政主管部门，各有关单位：由四川省城镇供水排水协会和中国建筑西南设计研究院院有限公司主编的《四川省建筑给水薄壁不锈钢管管道工程技术规程》已经我厅组织专家审查通过，现批准为四川省推荐性工程建设地方标准，编号为：DB51/T5054－2017，自2018年1月1日起在全省实施，原《建筑给水薄壁不锈钢管管道工程技术规程》DB51/T5054－2007于本规程实施之日起作废。该标准由四川省住房和城乡建设厅负责管理，四川省城镇供水排水协会负责技术内容解释。四川省住房和城乡建设厅2017年9月22日5前言本规程是根据四川省住房和城乡建设厅《关于下达四川省工程建设地方标准〈四川省建筑给水薄壁不锈钢管管道工程技术规程〉修订计划的通知》（川建标发〔2015〕874号）的要求，由四川省城镇供水排水协会和中国建筑西南设计研究院有限公司会同有关单位共同修订的。规程编制组查阅了相关的现行国家标准、图集及产品资料等，修编了相关条文，补充了新的连接技术，对修订后的征求意见稿进行了广泛的意见征集，对返回的意见和建议进行了多次讨论、研究，经修改完善后完成本次修编任务。本规程共分6章和8个附录，主要技术内容包括总则、术语和符号、管材和管件、设计、施工、验收。本规程修订的主要技术内容有：1根据现行国家标准《不锈钢卡压式管件连接用薄壁不锈钢管》GB/T19228.2，修改本规程中的相关条款；2根据近年来在四川地区已被广泛使用的新型连接技术特点，增加了承插压合式连接技术的相关技术内容；3根据近年来我省工程建设中薄壁不锈钢管在使用中出现的相关问题，补充修改了相关技术要求和条款。本规程由四川省住房和城乡建设厅负责管理，四川省城镇供水排水协会和中国建筑西南设计研究院有限公司负责具体技术内容的解释。在执行过程中如有意见和建议，请将相6关资料寄送至四川省城镇供水排水协会（地址：成都市人民南路四段36号；邮政编码：610045；联系电话：[phone]；电子邮箱：[e-mail]），以供修订时参考。主编单位：四川省城镇供水排水协会中国建筑西南设计研究院有限公司参编单位：四川省建筑设计研究院成都市自来水有限责任公司绵阳市水务（集团）有限责任公司成都共同管业有限公司成都品冠管业有限公司主要起草人：孙钢文烨余忠兴胡明李静纪胜军齐宇方汝清王瑞王家良陈宇敏贺骏郑旻韩健王竹曾洁冰刘小勇沈婧汪仕斌杨建军主要审查人：廖楷方成蓝天何能简熙根杨树永弋才刚7目次1总则·········································································12术语和符号·································································22.1术语································································22.2符号································································33管材和管件·································································44设计·······································································104.1一般规定··························································104.2管道的布置和敷设···········································104.3管道伸缩及补偿···············································124.4管道保温和防结露···········································134.5水力计算··························································135施工·······································································155.1一般规定··························································155.2施工准备··························································175.3管道敷设··························································185.4管道连接··························································206验收·······································································21附录A薄壁不锈钢管的主要技术指标·························24附录B薄壁不锈钢卡压式管件····································26附录C薄壁不锈钢环压式管件····································28附录D薄壁不锈钢承插压合式管件····························318附录E建筑给水薄壁不锈钢管管道的沿程水头损失计算···········································33附录F薄壁不锈钢管环压式管件连接安装方法··········49附录G薄壁不锈钢管卡压式管件连接安装方法··········51附录H薄壁不锈钢管承插压合式管件连接安装方法··52本规程用词说明·····························································55引用标准名录·································································57附：条文说明·································································599Contents1Generalprovisions·······················································12Termsandsymbols······················································22.1Terms··································································22.2Symbols······························································33Pipesandpipefittings·················································44Design·······································································104.1Generalrequirement··········································104.2Pipinglayoutandlaying····································104.3Pipeexpansionandpipecompensation··············124.4Pipeinsulationandpipeanti-condensation·········134.5Hydrauliccalculation········································135Construction······························································155.1Generalrequirement··········································155.2Constructionpreparation···································175.3Pipinglayout·····················································185.4Connectionofpipes···········································206Acceptances······························································21AppendixAThemaintechnicalindexesofthin-wallstainlesssteelpipeline·······························24AppendixBThepress-fittingjointoflightgaugesstainlesssteelpipeline··············································26AppendixCTheringpressurepipefittingsoflightgauges10stainlesssteelpipeline·······························28AppendixDThesocketpipefittingsoflightgaugesstainlesssteelpipeline·······························31AppendixECalculationoffrictionlossoflightgaugesstainlesssteelpipeline·······························33AppendixFConstructionofpress-fittingjointoflightgaugesstainlesssteelpipeline····················49AppendixGConstructionofringpressurepipefittingsoflightgaugesstainlesssteelpipeline············51AppendixHConstructionofsocketpipefittingsofthin-wallstainlesssteelpipeline