Audited Supplier
Base Oil, Derivatives, Industrial Lubricant
Black
Welding
200-2000mm
Carbon Steel
Asphalt, Lubricants, Solvent, Fuel, Petroleum Coke
Heavy Crude Oil
High Temperature Piping
High Pressure Piping
ASTM, GB, API, DIN, JIS
Round
Liquid, Fluids with Solid Particle, Gas
OEM
Standard Package
DN25-DN1400
China
7304192000
Product Description
Product Description
steal pipe with Polyurethane foam insulation and HDPE jacket sleeve
Main Indexes of Polyurethane insulation layer
Specification of pre-insulated Pipe
Advantage of the pre-insulated pipe
steal pipe with Polyurethane foam insulation and HDPE jacket sleeve
| Name | Pre-insulated Pipe |
| structure | work steel pipe/polyurethane insuation layer /HDPE outer protection pipe |
| the material of insuation layer | polyurethane foam |
| Installation Method | 1.cold installation 2.Prestress Installation 3.Preheat Installation Method 4.One-Time Compensator Installation Method |
Main Indexes of Polyurethane insulation layer
| indexes | preference Standard | unit | standard requirement |
| Density | CJ/T114-4.3.2 | kg/m3 | ≥60 |
| Average | CJ/T114-4.3.1 | mm | ≤0.5 |
| Percentage of close area | CJ/T114-4.3.1 | % | ≥ 88 |
| Compressive strength | CJ/T114-4.3.3 | MPa | ≥ 0.3 |
| Water Absorption | CJ/T114-4.3.5 | % | Immersion in boiling water 90 minute,bubble water absorption should be not more than 10% |
| Cavity | CJ/T114-4.3.1 | ≤ 0.033 |
Specification of pre-insulated Pipe
| Specifications (mm) | steel pipe OD×Thickness (mm) | Outer protection tube diameter ×Wall thickness (mm) | Insulation thickness (mm) | Unit weight Kg/m |
| 32/90 | 32×2.8 | 90×2.5 | 26.5 | 3 |
| 45/110 | 45×2.8 | 110×2.5 | 30.0 | 4 |
| 57/120 | 57×3.0 | 120×2.5 | 29.0 | 6 |
| 60/125 | 60×3.5 | 125×3.0 | 29.5 | 7 |
| 76/140 | 76×4.0 | 140×3.0 | 29.0 | 9 |
| 89/160 | 89×4.0 | 160×3.0 | 32.5 | 11 |
| 108/180 | 108×4.0 | 180×3.0 | 33.0 | 13 |
| 133/200 | 133×4.5 | 200×3.2 | 30.3 | 17 |
| 159/250 | 159×4.5 | 250×3.9 | 41.6 | 22 |
| 219/315 | 219×6.0 | 315×4.9 | 43.1 | 39 |
| 273/365 | 273×6.0 | 365×5.6 | 40.4 | 49 |
| 325/420 | 325×7.0 | 420×7.0 | 40.5 | 67 |
| 377/500 | 377×7.0 | 500×7.8 | 53.7 | 81 |
| 426/560 | 426×7.0 | 560×8.8 | 58.2 | 94 |
| 478/600 | 478×7.0 | 600×8.8 | 52.2 | 104 |
| 529/630 | 529×7.0 | 630×9.8 | 40.7 | 114 |
| 529/655 | 529×7.0 | 655×9.8 | 53.2 | 117 |
| 630/760 | 630×8.0 | 760×11.5 | 53.5 | 158 |
| 720/850 | 720×8.0 | 850×12.0 | 53.0 | 181 |
| 820/960 | 820×10.0 | 960×14.0 | 56.0 | 252 |
| 920/1055 | 920×10.0 | 1055×14.0 | 53.5 | 281 |
| 1020/1155 | 1020×10.0 | 1155×14.0 | 53.5 | 312 |
| 1220/1380 | 1220×12.0 | 1380×16.0 | 64.0 | 444 |
| 1420/1602 | 1420×14.0 | 1602×16.0 | 75.0 | 590 |
| 1. | good insulation properties |
| 2. | low heat loss |
| 3. | heat loss is 25% of the traditional pipe. |
| 4. | energy saving |
| 5. | about 30 yeas move the service life, low cost |
| 6. | has a strong waterproof and corrosive resistance and high mechanical strength |
| 7. | no attached trench ,can be directly buried in the ground or water. |
