| Model: | - |
|---|---|
| Brand: | HAIMEN |
| Origin: | Made In China |
| Category: | Construction & Decoration / Heat Insulation |
| Label: | Pre Insulated Pipe , Heating Pipeline , Rock wool pipe |
| Price: |
-
|
| Min. Order: | 40 pc |
| Last Online:08 Jan, 2021 |
Thermal insulation direct buried pipe can also be called pre insulated pipe, they are a kind of heat pipeline. We can supply high quality Heating Pipeline, welcome to choose us!
|
Product Indexes |
Reference Standard |
Standard Requirement |
Our product value |
|
Outer protection pipe |
|||
|
Density (kg/m3 ) |
CJ/T114-4.2.3.1 |
≥940 |
948.2 |
|
Elongation at break (%) |
CJ/T114-4.2.3.4 |
≥350 |
618 |
|
Tensile yield strength (MPa) |
CJ/T114-4.2.3.4 |
≥19 |
20.5 |
|
Longitudinal shrinkage rate (%) |
CJ/T114-4.2.3.5 |
≤3 |
1.23 |
|
Long term Mechanical properties |
CJ/T114-4.2.3.6 |
>1500h(80℃,4.0 MPa)free from damage |
Pass |
|
The difference of the melt flow rate (g/10min) |
CJ/T114-4.2.3.2 |
≤0.5 |
0.11 |
|
Carbon Black Content % |
CJ/T114-4.2.3.1 |
2.5±0.5 |
2.4 |
|
Polyurethane insulation layer |
|||
|
Density (kg/m³) |
CJ/T114-4.3.2 |
≥60 |
71.1 |
|
Average pore size (mm) |
CJ/T114-4.3.1 |
≤0.5 |
qualified |
|
Percentage of close area(%) |
CJ/T114-4.3.1 |
≥88 |
94 |
|
Compressive strength(MPa) |
CJ/T114-4.3.3 |
≥0.3 |
0.58 |
|
Water absorption(%) |
CJ/T114-4.3.4 |
Immersion in boiling water 90 minutes, bubble water absorption should be not more than 10% |
≤5.53 |
|
Working steel pipe |
|||
|
Seamless steel pipe(≤DN150) |
GB8163 |
20# |
qualified |
|
Spiral steel pipe(≥DN200) |
GB/T9711 or SY/T5037 |
Q235B |
qualified |
PRODUCT FEATURES
|
Product name |
|
|
Length |
5.8m-12m, or by customer's requirements |
|
Nominal diameter |
DN25-1800 |
|
Laid way |
Buried |
|
Application |
Fluid Pipe, Natural gas, Gas, Oil, Hydraulic, chemical, drill, etc. |
|
Production Standard |
The national standard GB/T29047-2012, CJ/T114-2000, CJ/T155-2001 |
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