Composition

1.steel pipe

2.polyurethane insulation

3.high-density polyethylene

Usage

1.urban centralized heat supply

2.warm room

3.coal mine

4.petroleum

5.chemical and other anti-corrosion insulation field

Medium temperature

50°C—120°C.max:140 °C

Working pressure

<2.5Mpa

Working lifetime

30-50years

Laying method

1.direct bury

2.built on stilts

3.trench

Technology

1.Advanced Corona treatment

2.Impeller blasting

3. Leakage alarm line

Standards

CJ/T114-2000, CJ/T155-2001, EN253:2003

GB/T9711.1-1997, GB/T8163-1999

Advantages

1.good insulation properties ,low heat loss (the 25% of traditional pipes),

2.energy saving

3.waterproof and corrosion resistance

4.no trench, be directly buried in ground or water