1:可在-50--900℃温度范围内长期正常运行。复合管线膨胀系数小。

1: can operate normally at -50--900 C temperature range for a long time. The expansion coefficient of the composite pipeline is small.

2:内表面光滑度优于任何金属管道，清阻力系数为0.0193，运行阻力小，运行费用低。

The inner surface smoothness of 2: is better than any metal pipe, the drag coefficient is 0.0193, the running resistance is small, and the running cost is low.

3:陶瓷层为(a-AL2O3)，属中性特质，具有能耐酸、强腐蚀介质和卤盐腐蚀的特性，同时具有防结垢的性能。

3: ceramic layer is (a-AL2O3) and is neutral. It has the characteristics of acid resistance, strong corrosion medium and halogen corrosion, and it has the property of anti scaling.

4:该管重量轻，焊接性能好，可采用焊接、法兰、快速联结等方式，施工安装方便，且可减少安装费用。

4: light weight, good welding performance, welding, flange, quick connection and other ways, convenient construction and installation, and can reduce installation costs.