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![厂家直销 低价正品 北京绿豆牌PE-RT地暖管 等径三通 20可批发](http://img.taobaocdn.com/bao/uploaded/T1376nXjJdXXcdIzE2_044604.jpg)
PE-RT地暖管 等径三通 20 一口价0.72 | ![厂家直销 低价正品 北京绿豆牌PE-RT地暖管 90度弯头 20可批发](http://img04.taobaocdn.com/bao/uploaded/i4/T1EVHpXkldXXbrHHsW_022554.jpg)
PE-RT地暖管 90度弯头 20 一口价0.61 | ![厂家直销 低价正品 北京绿豆牌PE-RT地暖管 直接 直通 20可批发](http://img.taobaocdn.com/bao/uploaded/T1ehTnXnXhXXXO0k.U_015526.jpg)
PE-RT地暖管 直接 直通 20 一口价0.38 | ![厂家直销 低价正品 北京绿豆牌PE-RT地暖管 45度弯头 20可批发](http://img.taobaocdn.com/bao/uploaded/T123boXb4mXXXDf1gY_025850.jpg)
PE-RT地暖管 45度弯头 20 一口价0.53 |
![](http://img03.taobaocdn.com/imgextra/i3/272431911/T28PreXkXXXXXXXXXX_!!272431911.jpg)
![PE-RT管材简介.jpg](http://attach.zhulong.com/jc/201309/18/29bd80323fa2bcf476c01e8517d86f99_0_1_640_269.jpg)
![](http://my.b2b.makepolo.com/misc/editor/themes/common/anchor.gif)
![](http://img03.taobaocdn.com/imgextra/i3/272431911/T28nXwXaBNXXXXXXXX_!!272431911.jpg)
![公司简介.jpg](http://attach.zhulong.com/jc/201309/18/b2fa0de699da5830004dff0904be406b_0_1_640_244.jpg)
![公司品牌文化.jpg](http://attach.zhulong.com/jc/201309/18/da6b49b346381a25e5501c1d234cf8c6_0_1_640_263.jpg)
![](http://img03.taobaocdn.com/imgextra/i3/272431911/T2ggdGXnpMXXXXXXXX_!!272431911.jpg)
![厂家两个图片3web格式.jpg](http://attach.zhulong.com/jc/201309/18/cfa5e3ad4be5a3e9575fd1072af20aba_0_1_640_237.jpg)
![](http://img01.taobaocdn.com/imgextra/i1/272431911/T2t4pGXeJNXXXXXXXX_!!272431911.jpg)
![设备4张照片web格式.jpg](http://attach.zhulong.com/jc/201309/18/01c5141edd55b68f5e4259259364684c_0_1_640_314.jpg)
![](http://img01.taobaocdn.com/imgextra/i1/272431911/T2bHuiXg8bXXXXXXXX_!!272431911.jpg)
![PE-RT型号20-2.jpg](http://attach.zhulong.com/jc/201309/18/f80aeb62e61a00fd78a6fed874944178_0_1_640_256.jpg)
![](http://img02.taobaocdn.com/imgextra/i2/272431911/T2FTlLXmdcXXXXXXXX_!!272431911.jpg)
![PE-RT-web格式.jpg](http://attach.zhulong.com/jc/201309/18/161952n08fhfoaw3d5h7ji.jpg)
![](http://img04.taobaocdn.com/imgextra/i4/272431911/T2eOtNXbVdXXXXXXXX_!!272431911.jpg)
![](http://img03.taobaocdn.com/imgextra/i3/272431911/T2xnxhXhdNXXXXXXXX_!!272431911.jpg)
![](http://img03.taobaocdn.com/imgextra/i3/272431911/T29WNjXahNXXXXXXXX_!!272431911.jpg)
![](http://img02.taobaocdn.com/imgextra/i2/272431911/T2sr4qXmJMXXXXXXXX_!!272431911.jpg)
根据国家标准GB/T 19473.1-2004中供水管道使用条件分级规定(等效国际标准ISO 10508),只要确定了管道的使用条件(使用级别和使用压力)就可以确定选用什么系列的管材才是适合的。
下表是不同的使用条件级别和设计使用压力下,对应选用的管系列。
![](http://img02.taobaocdn.com/imgextra/i2/272431911/T2_4pLXlJcXXXXXXXX_!!272431911.jpg)
![](http://img02.taobaocdn.com/imgextra/i2/272431911/T2CsFWXnxcXXXXXXXX_!!272431911.jpg)
![](http://img01.taobaocdn.com/imgextra/i1/272431911/T2dohLXnNcXXXXXXXX_!!272431911.jpg)
![](http://img04.taobaocdn.com/imgextra/i4/272431911/T2thNiXbBNXXXXXXXX_!!272431911.jpg)
![](http://img01.taobaocdn.com/imgextra/i1/272431911/T2cSdNXg4dXXXXXXXX_!!272431911.jpg)
![](http://img02.taobaocdn.com/imgextra/i2/272431911/T24QdEXa0NXXXXXXXX_!!272431911.jpg)
![](http://img01.taobaocdn.com/imgextra/i1/272431911/T2nPCGXc8bXXXXXXXX_!!272431911.jpg)
![](http://img04.taobaocdn.com/imgextra/i4/272431911/T2TqpHXepMXXXXXXXX_!!272431911.jpg)
![](http://img01.taobaocdn.com/imgextra/i1/272431911/T2vEpiXgBNXXXXXXXX_!!272431911.jpg)
![](http://img04.taobaocdn.com/imgextra/i4/272431911/T2RKBhXkRNXXXXXXXX_!!272431911.jpg)
![](http://img02.taobaocdn.com/imgextra/i2/272431911/T2X7hQXbJdXXXXXXXX_!!272431911.jpg)