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家装水管打压标准是啥？

家装水管打压标准是啥？

浏览：47次 | 提问时间： 06-22 08:21

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像一首歌深情爱人 06-22 08:22

按照GB50242-2002、4.2.1室内给水管道的水压试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为工作压力的1.5倍，但不得小于0.6MPa.检验方法：金属及复合管给水管道系统在试验压力下观测10mim，压力降不应大于0.02MPa,然后降到工作压力进行检验，应不参不漏;塑料管给水系统在试验压力下稳压1h，压力不得超过0.05MPa,然后在工作压力的1.15倍状态下稳压2h，压力不得超过0.03MPa，同时检查各连接处不得参水。

忆挽青笙尽 06-22 08:30

一般没有从事这行的人都不会了解的。正好对这个问题也是比较感兴趣，帮咨询了业内人士。原来水管打压标准是多少水管打压就是试验水管连接处是否可靠，那么水管打压标准是多少呢水管打压试验步骤是什么呢下面就很分享下水管打压标准是多少及水管打压试验具体的步骤。水管打压标准是：1、水压实验静水压力为管道工作压力，且试验压力不应低于0.80MPa;如管道工作压力小于0.8MPa，则水压试验压力选择0.8MPa.不得将气压试验代替水压试验；2、管道充水后应对未回填的外露连接点(包括管道与管道附件连接部位)进行检查，发现渗漏应进行排除；3、管道水压试验长度不宜大于1000m.对中间设有附件的管段，水压试验分段长度不宜大于500m，系统中有不同材质的管道应分别进行试压。4、对试压管段端头应进行牢固性和可靠性的检查，试压时，支撑设施严禁松动崩脱，不得将阀门作为封板。5、加压应采用带计量装置的机械设备，且精度不应低于1.5级(最大允许误差不超过最大刻度1.5%)，量程范围应为试验压力1.3~1.5倍，表盘直径不应小于150mm.水管打压试验步骤：1、管道长度，根据实际情况采取，但最长不得长于500m;2、在管道两端(已焊有PE法兰盘)配装密闭法兰板，中间使用硅胶板作密封。用螺栓紧固，并配置球阀。一端为进水口，一端为出水口(也做排气孔)。3、在进水口端，应安装上压力表。4、通过打压机，在无压力状态下，缓慢向管道内注入水。注水时，应注意打开排气孔；5、直至管道内充满水，关闭排气孔。6、逐步增加管道压力(可观察压力表)，增至到试验压力并稳压30min，期间如压力下降可注水补压。但不得高于试验压力。7、检查管道接口、配件等处有无渗漏现象。如有渗漏，应中止试压，查明原因并解决渗漏，再按步骤5进行组织试压。8、泄压至最大试验压力的50%;

思念總是讓我受困 06-22 08:39

管道水压试验长度不宜大于1000m。对中间设有附件的管段，水压试验分段长度不宜大于500m，系统中有不同材质的管道应分别进行试压。加压应采用带计量装置的机械设备，且精度不应低于1.5级(最大允许误差不超过最大刻度1.5%)，量程范围应为试验压力1.3~1.5倍，表盘直径不应小于150mm。

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