22
9.4.
Selection of expansion vessel
Formül :
V--- Volume of expansion vessel C--- Total water
volume
P1--- Pre-set pressure of expansion vessel
P2-- The highest pressure during running of the
system (that is the action pressure of safety valve.)
e---The expansion factor of water (the difference
between the expansion factor of the original water
temperature and that of highest water temperature.)
10.
Remote
Air
Temperature Sensor
Water
expansion
factor in
different temperature
Temperature
(
℃
)
Expansion factor
e
0
0.00013
4
0
10
0.00027
20
0.00177
30
0.00435
40
0.00782
45
0.0099
50
0.0121
55
0.0145
60
0.0171
65
0.0198
70
0.0227
75
0.0258
80
0.029
85
0.0324
90
0.0359
95
0.0396
100
0.0434
Front side
Back side