Product description
Specifications
1. HDPE coated
2. Polyurethane foam filled layer
3. Seamless steel pipe and spiral pipe
Advantages
1. Good insulation properties, low heat loss(the 25%of traditional pipes)
2. Energy saving
3. Long live life of more than 30 years
4. Waterproof and corrosion resisdence
5. Can be directly buried in ground or water
DIN