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Structure | steel pipe--- anti-corrosive layer |
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) |
Anti-corrosive type | 1. 3PE 2. 2PE 3. FBE 4. Internal anti-corrosion |
Foaming technology | CFC-free water |
Material of HDPE | Shanghai Jin Fei, Qilu petrochemical,Tianjin zhongsha petrochemical(level 100) |
Application | 1. Petroleum 2. Gas 3. Reclaimed water transportation 4. Chemical medium transport 5. Water project |
Laying mode | It is mainly used for direct-buried laying, and can also be used for ditch or overhead. |
Specification | DN25-1500mm(1 inch-60 inch) |
Advantages | 1. Anti-corrosive 2. Water-proof 3. Age-resistance 4. Strong stress cracking resistance 5. Service life can reach more than 50 years |
Related products | fittings |
DN(mm) | Epoxy powder (μm) | Adhesive layer(μm) | Minimum thickness on the coating(mm) | ||
Adhensive layer (μm) | common level(G) | Strengthen level(S) | |||
DN≤100 | ≥120 | ≥170 | 1.8 | 2.5 | |
100<DN≤250 | 2.0 | 2.7 | |||
250<DN<500 | 2.2 | 2.9 | |||
500≤DN<800 | 2.5 | 3.2 | |||
DN≥800 | 3.0 | 3.7 | |||
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