Structure | Steel pipe-- insulation layer--HDPE outer protection pipe |
Steel pipe standard and material | 1. GB 20#, Q235B 2. ASTM A53 GrB 3. API Spec 5L 16Mn, X42-X80 |
Steel pipe process | 1. Seamless, 2. Spiral steel pipe( SAW) 3. Straight steel pipe(ERW) |
Material of insulation layer | Bayer/Basf Germany |
Foaming technology | CFC-free water |
Material of HDPE | Shanghai Jin Fei, Qilu petrochemical,Tianjin zhongsha petrochemical(level 100) |
Laying mode | Mainly used for direct buried, and can be used in trenches. |
Specification | DN25-1800mm(1 inch-72 inch) |
Medium temperature | Less than 120℃( accidental peak 140 ℃) |
Medium pressure | Less than 2.5MPa |
Advantages | 1. Unique trinity structure 2. Low thermal conductivity, small the heat loss 3. Water-proof 4. Anti-corrosive |
Related products | 1. The pre-insulated pipe with alarming line 2. Joint materials 3. Insulation fittings |