UNDERGROUND PIPES
At designing of underground pipes the required power as well as the method of installation is effected by the amount of factors as the depth of the underground piping, construction and insulation.
VärmeKabelTeknik has a great knowledge and experience of different types of heating cable constructions and would be pleased to assist you with advises and recommendations at designing and installation of this type of heating cable applications.
Naturally VärmeKabelTeknik also take care of the whole designing if you wish..
Surface temperature (mt).
|
Installation depth cm |
Climate Zone (Sweden) | |||
| 1 | 2 | 3 | 4 | |
|
25 |
17.6 | 22.6 | 27.8 | 33.0 |
|
50 |
7.0 | 10.6 | 13.8 | 18.0 |
|
60 |
6.5 | 10.0 | 13.2 | 17.4 |
|
80 |
5.3 | 8.7 | 12.0 | 16.2 |
|
100 |
4.1 | 7.3 | 10.7 | 15.0 |
|
150 |
1.2 | 4.0 | 7.5 | 12.0 |
|
200 |
– | 0.7 | 4.4 | 9.0 |
More information about heating and keeping pipes, tanks and cisterns warm can be found in chapter G “Industrial heating”