耐腐蚀聚氨酯预制供冷保温PE管一米多少钱？热销经销商，节能省金！

聚氨酯直埋保温管特点：

采用导热系数低、隔热性能好的硬质聚氨酮作为隔热材料，具有优异的隔热性。

正常运行后130℃的水输送到40公里以外时，降温仅为1℃左右。

有很强的防水和耐腐蚀能力，不需附设管沟，可直接埋入地下或水中，施工简便迅速，综合造价低。

在低温条件下也具有良好的耐腐蚀和耐冲击性，可直接埋入冻土层。

预制保温管使用了耐腐蚀性的(HDPE：高密度聚乙烯)外套管，不受生物和化学腐蚀的影响。

可根据用户需要提供DN20~DN1200之间各种管径及保温厚度的管材和相配套的管件(弯头、三通、变径管、固定节等)

产品执行城镇建设行业标准CJ/T 114-2000和CJ/T 115-2001标准。

为确保预制直埋保温管三位一体，发泡前钢管外表面抛丸处理，塑料pipe内表面电晕处理，其中除锈等级达到GB/T 8923-1998中Sa2.5的规定，外壳pipe内表面张力达到50达因/厘米。

聚氨酮保温pipe补偿敷设方式：

1.,无补偿直埋敷设方式

聚氨酮直埋保温pipe无补偰直沙敷设即利用土壤与外套pipe之间摩擦阻力固定道。 当土壤与道线摩擦阻力之和等于或大于道线膨胀力时, 道线不再伸长，即可不加补偰器，这时道线在hot胀cold缩过程中所产生位移势能，被储存在道壁上；无补偰直沙敷设时，在道上不用设置补偰器、滑动支架、固定支架等道附件, 道在直段基本处在停止状态，而在弯段、出土段等自由端所谓“摩擦长度l范围内有位移；依据《集中供heat设计手册》在交变次数15000次、hot媒允许温度差83℃以内其应力值不会超过许用应力。这种铺设方式适用于95℃以下low temperature supply heat pipeline。岳阳生活小区集中空调water temperature为5℃～70℃，可采用no compensation direct burial laying method.

2.,一次性compensation direct burial laying method

聚氨酮直埋preservation pipe its work principle is to weld the product onto the pipe, remove positioning angle steel, heat the pipe to the required temperature, causing it to stretch and contract; a compensation sleeve compensates for some of the deformation caused by design temperature difference; once this state is achieved, the sleeve becomes a rigid unit that does not deform further.

检测项目:

The common form of insulation pipes is: steel tube + foam insulation layer + PE outer protective tube composed of three parts.

During heating and contraction processes,

the three must have strong bonding force between them,

to prevent sliding or movement in large areas,

causing pipe breakage or damage to fittings.

This "three-in-one" structure is essential for mechanical stability in buried pipelines;

before entering site installation,

a comprehensive test must be conducted on overall quality;

in industry terms,

buried preservation pipeline inspection refers to "regular 12 items" or "regular 13 items."

Density: The foam insulation layer within pipes must maintain a certain density.

If density falls below threshold levels,

the preservation structure may fail during subsequent operations;

if too low,

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