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谁说说怎么安装ppr水管

浏览:46次 | 提问时间: 08-03 05:48
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3个答案
好菇凉万丈光芒 08-03 05:49

PPR水管安装时要规范:
  1.   使用带金属螺纹的PPR管件时,必须用足密封带,避免螺纹处漏水。
  2.   管件不要拧太紧,以免出现裂缝导致漏水。
  3.   管道两端4-5cm处最好切掉,
  4.   冬季施工时,管道应避免踩压,敲击,碰撞,抛摔。
  5.   安装后必须进行增压测试。试压时间30分钟,打到8-10公斤,不渗不漏。
  6.   水管最好走顶部,便于检修,若走地下,很难发现漏水。
  7.   如发现墙漆发霉出泡,踢脚线或木地板发黑且有细泡,顶棚及走管墙砖部位阴湿渗水等情况,应尽快检查管道。
希望我的回答对你有所帮助!

情曲折 08-03 05:57

作为一种新型的水管材料,     PPR管具有得天独厚的优势,它既可以用作冷水管     ,也可以用作热水管。价格适中的PPR水管成了许多刚购置新房,忙于装修自己的爱巢人们购买管材时的首选。那么     方法一、先把线路弄好,再地上开槽,我觉得应该让水电工做比较好,由于至少人家专业吧,万一自己接的水管漏水就不大好了。     方法二、从PPR管的连接来说是:热熔连接的。热熔温度为260度。从您的安装尺度那就要参考您的     设计尺度了。这个得根据您的家装设计了。一般     PPR不能走明装,第一明装PPR要受重力变形,第二明装PPR轻易老化。第三假如是白色的PPR,明装轻易透光形成滋生细菌。所以都是建议暗埋。

迷失的麋鹿 08-03 06:05

(一)工艺流程

  安装准备――预制*――干管安装――立管安装――支管安装――管道试验――管道冲洗――管腔内消毒

  (二)*作要点:

  1.施工准备               :

  认真熟悉图纸,根据施工方案决定的施工方法做好施工准备工作。参照有关专业设备图和装修建筑图,核对各种管道和坐标、标高是否交叉、管道排列所用空间是否合理,有问题应及时与设计和有关人员研究解决,办好变更洽商记录

  2.预制*:

  总体原则是按设计图纸画出管道分路、管径、预留管口、阀门位置等施工草图,在实际施工的结构位置上标记,按标记分段量出实际安装的尺寸,然后再按此尺寸进行下料预制。

  3.PPR热熔连接应按如下规程进行*作

  1)热熔器接通电源,到达温度指示灯亮后方能开始*作。

  2)切割管材必须使端面垂直于管轴线,管材切割一般使用专用管子剪,如为大管径,则用锯条切割,切割后断面去毛刺和毛边。

  3)管格与管件连接端面必须清洁、干燥、无油。

  4)用卡尺和合适的笔在管端测量并标绘出热熔深度,热熔深度应符合规定。(注:若环境温度小于5℃,加热时间应延长50%)

  5)熔接弯头或三通时,按设计图纸要求应注意其方向,在管件和管材的直线方向上,用辅助标志标出其位置。

  6)连接时,无旋转地把管端导入加热套管内,插入到所标志的深度,同时无旋转地把管件推到加热管上,达到规定标志处。一般地可用心中默读数字法掌握加热时间,或观察管件、管材的加热程度,当模头上出现一圈PPR热熔凸缘时,即可将管材、管件从模头上取下进行下道工序。

  7)达到加热时间后,立即把管材、管件从加热套与加热头上同时取下,迅速无旋转地直线均匀插入到所标深度,使接头处形成均匀凸缘。

  8)在规*间内,刚熔接好的接头还可校正,但严禁旋转。

  4.支吊架安装

  1)管道安装时必须按不同管径和要求设置管卡或吊架,位置应准确,管卡与管道接触应紧密,不得损伤管道表面。

  2)若采用金属卡或吊架时,金属管卡与管道之间应采用塑料带或橡胶等软物隔垫。在实际*作中常以同材质的管材或PVC-U排水管材作垫圈。

  5.立管和横管支吊架的间距要根据管道的各配水点、受力点以及穿墙支管节点处,应采取可靠的固定措施。

  6.支管安装

  A.明管安装:要求支架平整,管道平直,各用水点甩口位置符合施工及设计要求,如天赐良园工地就是这种做法。

  B.暗管安装:现行设计大多数采取暗敷设计,安装时必须做到各用水点甩口位置正确。

  7.阀门安装

  阀门在安装前应做耐压强度试验,按照规范规定要求,试验应以每批(同牌号、同规格、同型号)数量中抽查10%,且不少于1个,如有漏、裂不合格的应再抽查20%,仍有不合格的,则须逐个做强度和严密性试验,强度和严密性试验压力应为阀门出厂规定压力。

  8.水表安装

  水表安装到管道以前,应先除去管道中的污物(用水冲洗),以免造成堵塞。水表应水平安装,并使水表外壳上箭头方向与水流方向一致,切勿装反;水表前应装设阀门;为保证水表计量准确,水表前应装有大于水表口径的   10倍的直管段。水表外壳距离墙面不大于30mm,水表中心距离另一墙面的距离450-500mm,安装高度按设计要求进行。允许偏差为   10mm。

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