 |
Permissible Working Pressure. For hot water and heating pipes (fluid transported: water)
Heating period | Temperature | Service Life | climatherm®-faser composite-
pipe SDR 7,4 | | | | Nominal pressure PN 10 | Constant operating temperature
70°C incl.
30 days
per year at | 75 °C | 5
10
25
45 | 7,25
7,00
5,90
5,10 | | 80 °C | 5
10
25
42,5 | 6,85
6,47
5,59
4,89 | | 85 °C | 5
10
25
37,5 | 6,26
5,98
5,08
4,58 | | 90 °C | 5
10
25
35 | 5,73
5,50
4,41
4,03 | Constant operating temperature
70°C incl.
60 days
per year at | 75 °C | 5
10
25
45 | 7,16
6,87
5,84
5,02 | | 80 °C | 5
10
25
40 | 6,64
6,34
5,29
4,68 | | 85 °C | 5
10
25
35 | 6,07
5,79
4,58
4,20 | | 90 °C | 5
10
25
30 | 5,54
4,87
3,84
3,66 | Constant operating temperature
70°C incl.
90 days
per year at | 75 °C | 5
10
25
45 | 7,10
6,76
5,69
4,91 | | 80 °C | 5
10
25
37,5 | 6,51
6,24
5,02
4,52 | | 85 °C | 5
10
25
32,5 | 5,94
5,38
4,24
3,97 | | 90 °C | 5
10
25 | 5,31
4,45
3,51 |
|
|
|
