Advantages
|
1.Low heat cost, good heat preservation property 2.Water proof and good corrosion resistance 3.Can be directly buried in the underground 4.Product performance indexes is up to national standard and oil ministry standard 5.Certification:ISO9001,ISO14001 |
Product Structure |
Inner steel tube Insulation pipe HDPE outer protecting pipe |
Transmission Medium Temperature |
50°C—140°C |
Installation Method |
1.Direct buried 2.Built on stilts 3.Trench |
Working Pressure |
Less than 1.6Mpa |
Processing Technic |
1.Advanced Corona treatment 2.Impeller blasting |
Service Life |
30-50years |
Application |
1.Urban centralized heating system 2.Warm room 4. Gas and petroleum field 5.Chemical and other anti-corrosion insulation field |
standard |
GB/T9711.1-1997 GB/T9711 GB/T8163-1999 API(1)-API5L GB/T8163 |
surface treatment |
shot-blasting |
technique |
electric resistance welding |