1.Composed of steel pipe, polyurethane insulation layer, and HDPE outer protection pipe.
2.It's widely used in underground pipeline, heat supply system, transmit of oil, gas, hot water, ect.
3.The medium temperature is 50-140centigrade.
4.Good properties of : low heat loss, energy saving, waterproof and anti-corrosion
5.Long live life about 30-50years.
6.Length, 12m
7.Insulation layer thichkness:26.5-75mm, (as request)
8.Specifications of DN32-1420mm, or as request