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居民自己家暖气片用巡环泵安装在冷水管还是安在热水管的呢？_其他_设计456问答
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居民自己家暖气片用巡环泵安装在冷水管还是安在热水管的呢？

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居民自己家暖气片用巡环泵安装在冷水管还是安在热水管的呢？

浏览：48次 | 提问时间： 06-30 11:50
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2个答案
沉浸在过去 06-30 11:50

实际上是1.PPR的耐受温度是95度，瞬间可达110度，管子内存水的情况下不能低于0度，否则水结冰可能会把管子冻裂。冷水管的耐受压力是1.0或1.6兆帕，热水管的耐受压力是1.6或2.0兆帕；2.PPR冷水管一般都用做自来水管，热水管一般用做暖气连接管，也可用于热水器的热水管路；3.冷水管与热水管的耐受压力不同，冷水管要小，因此，如果把冷水管用在工作压力较大的热水管路上(比如暖气连接管)容易造成管壁破裂，但这不是绝对的，有的管子把冷水用于热水也能挺的住，但不管怎样冷水管做热水管路是不允许的，热水管当冷水管用是可以的；4.冷水管与热水管因为要求的耐受压力不同因此壁厚不同，价格也不同，热水管要比冷水管的管壁厚，价钱要贵，因此用热水管当冷水管用在经济上是不划算的；5.热水管上标识有红线，冷水管上标识有蓝线，并且有文字标识，也有耐受压力标识，另外，如果同种规格的管子比较壁厚也能区分冷热水管

深情予你 06-30 11:59

暖气原理：锅炉---热水管(进水管)---采暖设备(暖气片)---回水管----锅炉。进水管高，回水管低。都知道温度高的水在液面的上部，温度低的水在下部。由于锅炉持续加温使得管道内的液体流动，暖气片才有了热能。如果循环不好可以加装管道泵强制循环。在暖气片的一端设排气阀(最好是自动排气阀)。

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