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

[ ºC]
TimeOverall service coëfficiënt
Tcold202,5 years1,25
Tdesign40+6020 years+25 years1,5
Tmax702,5 years1,3
T malfunction100100 hours1,0
Remark: the mentioned temperature 
profile is in accordance with class 4 of ISO 10508.

Installers/plumbers, architects, contractors, municipalities, housing association