Ferroli MERCURY SP 07 Manual De Instalación, Uso Y Mantenimiento página 75

40
30
20
10
0
1.500
For a water temperature other than 10ºC, the loss of charge can be calculated with the following formula:
P = P x K
cnom
C
Where:
DPcnom: is the head loss calculated in the diagram
Pc: is the head loss under conditions different from the previous ones
K: is the value obtained on the following tables.
Mean water temperature
K correction factor
Features
17
2.500
2.000
Water flow rate (l/h)
K CORRECTION FACTOR
5 10
1.05 1.00
19
3.000
15 20
0.97 0.95
21
23
3.500
4.000
50 60
0.8 0.75
70
0.71
75