Application areas: The coal industry Thermal power plant Shipping business Chemical industry Construction industry; Metallurgical industry Food Industry Municipal Engineering Features 1) excellent sealing performance, anti-pull-out, easy to install. 2) smooth wall. Pipe wall roughness of 0.007mm, fluid resistance, scaling, small head loss, no water hammer noise, threading does not wear. 3) low coefficient of linear expansion. Linear expansion coefficient of the pipe 1.2 × 10-5 / degrees Celsius, pure plastic pipe is 1/10 ~ 1/12. 4) high ring stiffness. 5) in normal temperature, pressure range, can be used for 50 years.