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For the application in floorheating circulation systems in high buildings the design (working) overpressure should be 10 bar according the temperature profile in table 1
Tabel 1 – Temperature profile during 50 years
| Temperature [ ºC] | Time | Overall service coëfficiënt | |
| Tcold | 20 | 2,5 years | 1,25 |
| Tdesign | 40+60 | 20 years+25 years | 1,5 |
| Tmax | 70 | 2,5 years | 1,3 |
| T malfunction | 100 | 100 hours | 1,0 |
| Remark: the mentioned temperature profile is in accordance with class 4 of ISO 10508. |
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