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知道的说说水管装好后多久打压

知道的说说水管装好后多久打压

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青春不可荒废 07-30 08:58

这一环节关系到水管日后能否承受巨大的水压，会不会出现漏水的问题，毫无疑问需要业主亲自监工。1．水路施工前有必要进行水管打压试验，打压时最好有物业公司人员在场。如果打压不合格，应先行解决再动工，以免日后责任不清。2．水路施工后24小时进行第二次打压试验。在所有水管全部焊接好后才可以试压，在试压前要封堵所有的堵头，关闭进水总管的阀门。3．水管打压过程：(1)做打压试验时，应先用软管连接冷热水管，保证冷热水管同时打压。(2)安装好打压器，将管内的空气放掉，使整个回路里充满水；关闭水表及外部闸阀后开始打压。*标准《建筑给水排水及采暖工程施工质量验收规范》(GB50242--2002)第4-2．1条规定：“室内给水管道的水压实验必须符合设计要求，当设计未注明时，各种材质的给水管道系统试验压力均为工作压力的1．5倍，但不得小于0．6MPa(压强单位：兆帕)。检验方法：金属及复合管给水管道系统在试验压力下观测10分钟，压力降不应大于0．O2MPa，然后降到工作压力进行检查，应不渗不漏；塑料管给水系统应在试验压力下稳压l小时，压力降不得超过0．O5MPa，然后在工作压力的1．15倍状态下稳压2小时，压力降不得超过0．O3MPa，同时检查各连接处不得渗漏。打压结果即为合格。"在此提醒业主：在具体施工中应结合施工中的实际情况进行，但不能低于*标准。4．水管打压试验中的注意事项：(1)在试压时，逐个检查接头、内丝接头等有没有渗水。渗水会直接反应在试压器的表针上，导致压力值快速下降。如果发现渗水，应让施工人员及时修补，千万不要听信对方“没事，这是正常现象"的话，否则有麻烦的还是业主自己。(2)监督打压时间。一些施工人员为了加快速度，往往打压几分钟就草草结束，这种做法是在糊弄业主。业主一定要监督施工人员，保证打压时间只能延长，不可缩短。(3)在规定的时间内打压器的表针没有明显下降或者下降幅度小于O．1，说明水管管路是完好的，同时也说明打压器处于正常工作状态。

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