17
10. GRAPH OF POSSIBLE HEATING WATER CONNECTING OVER-PRESSURES
Connecting over-pressure of THERM 17 KD
0.0
50.0
100.0
150.0
200.0
250.0
300.0
350.0
400.0
450.0
500.0
0.4
0.6
0.8
1
1.2
Water flow (m3/h)
O
u
tl
e
t
o
v
e
r-
p
re
s
s
u
re
(
m
b
a
r)
Wilo 3
Grunfos 3
Connecting over-pressure of THERM 17 KDZ, 17 KDZ 5
0.0
50.0
100.0
150.0
200.0
250.0
300.0
350.0
400.0
450.0
500.0
0.4
0.6
0.8
1
1.2
Water flow (m3/h
O
u
tl
e
t
o
v
e
r-
p
re
s
s
u
re
(
m
b
a
r)
Wilo 3
Grunfos 3
Warning:
The curves of possible connecting over-pressures of heating water are elaborated for the Wilo 25/70 and
Grundfos 15/60 pumps and for the highest degree of regulation. If the heating speed of tanks in the THERM 17
KDZ boilers is considered, decreasing the pump output is not recommended.
