34
10
PRESSURE DROPS
10.2 USEFUL HEAD
10.1 PRESSURE DROP
0
10
20
30
40
50
60
70
80
90
100
110
120
0
1000
2000
3000
4000
5000
6000
050
2
-080
2
090
2
Pr
essur
e dr
ops (kP
a)
Ef
fective pr
essur
e (kP
a)
Water flow rate l/h
Water flow rate l/h
Pressure drops include a water filter
with a filtering mesh of 1
μ
and con-
nection of 1"¼, evaporator and pipe
system.
* In the series 0502 and 0802,
pressure drops are similar, for this
reason they are shown all together in
the diagram.
* In the series 0502 and 0802, use-
ful heads are similar, for this reason
they are shown all together in the
diagram.
0
10
20
30
40
50
60
70
80
90
100
110
120
0
1000
2000
3000
4000
5000
6000
050
2
080
2
090
2
