Factory supply wholesale direct-buried pipe yellow jacket coating steel pipe
Product name | Thermal insulation direct buried pipe |
Length | 5.8m-12m ,or by customer's requirements |
Nominal diameter | DN25-1800 |
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 |
Specification of Pre-insulated Pipe
Steel pipe(mm) | HDPE pipe(mm) | Thickness of insulation layer (mm) | |||
thickness | diameter | thickness | |||
25 | 32 | 3.0 | 90 | 2.5 | 26.5 |
40 | 45 | 3.5 | 110 | 2.5 | 30 |
50 | 57 | 3.5 | 120 | 3.0 | 28.5 |
70 | 76 | 4.0 | 140 | 3.0 | 29 |
80 | 89 | 4.0 | 150 | 3.0 | 27.5 |
100 | 108 | 4.5 | 180 | 3.0 | 33 |
200 | 219 | 6.0 | 315 | 4.9 | 43.1 |
300 | 325 | 7.0 | 420 | 7.0 | 40.5 |
400 | 426 | 7.0 | 560 | 8.8 | 58.2 |
500 | 529 | 8.0 | 655 | 9.8 | 53.2 |
600 | 630 | 8.0 | 760 | 11.5 | 53.5 |
700 | 720 | 8.0 | 850 | 12.0 | 53 |
800 | 820 | 10.0 | 960 | 14.0 | 56 |
900 | 920 | 10.0 | 1055 | 14.0 | 53.5 |
1000 | 1020 | 10.0 | 1155 | 14.0 | 53.5 |
1200 | 1220 | 12.0 | 1370 | 16.0 | 59 |
1400 | 1420 | 14.0 | 1580 | 16.0 | 64 |
1: Are you a manufacturer or a trading company?
We are a manufacturer which has more than 2 0 years' history.
2: Where is your manufacturer? How to visit it?
Our factory located in Yutian Economic Development Zone ,TangShan , China. A bout 1.5 hours drive time to Beijing and TianJin airport . Mainly producing pre-insulated pipes, HDPE outer protection pipe and 3PE anti-corrosive pipe.
You can take a plane to Beijing or Tianjin .then we could pick up you at the airport .
3: How do we control our products' quality?
We have professional quality control workers and quality inspection center(CNAS lab) to control the entire production quality.
4: How do you transport these products?
We use straps to hoist pre-insulated pipes, it can avoid no damage to our products, no hooks for lifting pipe directly. During the handling process, collision, tossing and more ground drag scrolling are strictly forbidden.
In the process of long distance transport, the pipes should be fixed, and not damage outer protecting pipes and insulating layers.
5: Can I customize some other sizes of products?
Yes! We can according to the customer's request.
If you have any other questions, please don't hesitate, contact us.
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