Temperature:
15 °
C
Specific weight:
8 kg/m3 (3 bar)
Dynamic viscosity:
7.9 · 10–6 Ns/m2 = kg/ms
4
/
s
100
0
2
/
s
F
l
o
w
r
a
t
e
[
k
g
/
h
]
8
6
5
4
3
2
100
8
6
5
4
2
10
8
6
5
4
3
2
1
8
6
5
4
3
2
1
/
s
0
.
5
/
s
5
4
3
2
2
0.1
2
3 4 5 6 7 8
2
3 4 5 6 7 8
2
3 4 5 6 7 8
2
3 4 5 6 7
8
0.1
1
10
100
1000 Pa/m
0.01
0.1
1
10
100 mWS/
m
0.001
0.01
0.1
1
10 mbar/m = hPa/m
Pressure loss
Example:
Pipe DN 32
Mass flow rate 30 kg/h:
at a velocity of approx. 0.9 m/s the
pressure loss is 5.6 · 10–2 mbar/m = hPa/m
19.03.2026 Subject to technical changes. Page 14