8
In more practical way, just using the nominal heat output of boiler (Qk) in terms of kW, the
volume of expansion tank can be caluculated as;
Vg= 2,15.Qk (in liters)
4.2.2 SIZING OF THE SAFETY LINES BETWEEN BOILER AND OPEN EXPANSION
TANK
Size of the safety line for delivery
Size of the safety line for return
Where Qk is the boiler output in kW.
4.3 CLOSED
(PRESSURED)
HYDRAULIC
SYSTEM
)
(
.
5
,
1
15
mm
k
SV
Q
d
)
(
15
mm
k
SR
Q
d
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