| Certification: | UL, EAC, ISO9001, CE |
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| Heating Type: | Electric Heating Systems |
| Type: | Welded |
| Customization: |
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| Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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| Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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Suppliers with verified business licenses
Audited Supplier 
1.The pre-insulated steel pipe coated with high density polyurethane foam can resistant the temperature up to 140°c.
2.With the corrosion resistant hdpe jacket pipe can make the pipe directly buried underground without trench.
3.Different size pipe and pipe fittings can service for different heating and cooling project.
4.The polyurethane foam thickness can be designed from 26.5-83mm or more.
PIPE DATAS
| DN | Steel pipe(mm) | HDPE pipe(mm) | Thickness of insulation layer | ||
| diameter | thickness | diameter | thickness | (mm) | |
| 25 | 32 | 3 | 90 | 2.5 | 26.5 |
| 40 | 45 | 3.5 | 110 | 2.5 | 30 |
| 50 | 57 | 3.5 | 120 | 3 | 28.5 |
| 70 | 76 | 4 | 140 | 3 | 29 |
| 80 | 89 | 4 | 150 | 3 | 27.5 |
| 100 | 108 | 4.5 | 180 | 3 | 33 |
| 125 | 133 | 4.5 | 225 | 3.5 | 42.5 |
| 150 | 159 | 5 | 250 | 3.9 | 41.6 |
| 200 | 219 | 6 | 315 | 4.9 | 43.1 |
| 250 | 273 | 6 | 365 | 5.6 | 40.4 |
| 300 | 325 | 7 | 420 | 7 | 40.5 |
| 350 | 377 | 7 | 500 | 7.8 | 53.7 |
| 400 | 426 | 7 | 560 | 8.8 | 58.2 |
| 450 | 478 | 8 | 600 | 8.8 | 52.2 |
| 500 | 529 | 8 | 655 | 9.8 | 53.2 |
| 600 | 630 | 8 | 760 | 11.5 | 53.5 |
| 700 | 720 | 8 | 850 | 12 | 53 |
| 800 | 820 | 10 | 960 | 14 | 56 |
| 900 | 920 | 10 | 1055 | 14 | 53.5 |
| 1000 | 1020 | 10 | 1155 | 14 | 53.5 |
| 1100 | 1120 | 12 | 1256 | 14 | 54 |
| 1200 | 1220 | 12 | 1370 | 16 | 59 |
| 1200 | 1220 | 14 | 1370 | 16 | 59 |
| 1400 | 1420 | 14 | 1580 | 16 | 64 |
| 1400 | 1420 | 16 | 1600 | 18 | 72 |
INSULATED INFOS
| Description | polyurethane thermal insulation steel pipe |
| Wall Tickess | 0.5mm-16mm |
| Length | 1m-12m ,or by customer's requirements |
| Production Standard | API 5L PSL1/ PSL2,ASTM A53,ASTM A252,GB/T9711.1,GB/T3091,SY/T 5037-2012,DIN1626,EN10219,EN10217 |
| End | 30~35° Beveled end |
| Quality Control | 100% X-Ray inspection 100%Hydraulic Pressure test 100% Ultrasonic inspection |
| Internal lining | Epoxy , cement motar, and according to customers requirement |
| Operating pressure | <1.6Mpa |
| Laid way | Buried, overhead, trench |
|
Grade of the steel pipe and pipe fitting |
20#/Q235 Seamless steel pipe and spiral steel pipe (GB and oil standard) |
| Insulation material |
Fluoride-Free water foamed rigid polyurethane foam material (foam density: 60kg/m3-80kg/m3 |
|
Inner surface tension of the high density polyethylene pipe |
≥50dy/cm |
| Product name | district heating polyurthane foam insulation flexible hot water pipe |
| thermal insulation pipe | |
| polyurethane pipe insulation | |
| waterproof pipe | |
| Composition | |
| Usage | 1.urban centralized heat supply |
| 2.warm room | |
| 3.coal mine | |
| 4.petroleum | |
| 5.chemical and other anti-corrosion insulation field | |
| Medium teperature | 50°C-120°C,Max:140 °C |
| Working pressure | <2.5Mpa |
| 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 resisdence | |
| 4.no trench,be directly buried in ground or water | |
Suppliers with verified business licenses
Audited Supplier 
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