User Manual
2/8
Siemens VBG31.. Three-port slipper valves PN10 CM1N4233en_g
Building Technologies 2018-11-30
Sizing
30
20
10
8
6
5
4
3
2
1
0.8
0.6
0.5
0.4
0.3
0.2
100
80
60
50
40
30
20
10
8
6
4
3
2
1
0.8
0.6
0.5
0.4
0.3
0.2
0.1
1
½
"
(
4
0
)
1
¼
"
(
3
2
)
1
"
(
2
5
)
¾
"
(
2
0
)
D
N
4232D01
D
p
v100
[kPa]
V
100
[l/s]
D
p
v100
[bar]
V
100
[m³/h]
0.056
0.083
0.11
0.17
8.3
0,28
5.6
0.56
0,42
4.17
2.77
1.66
1.11
0.83
1
0.1
0.5
0.2
0.02
0.002
0.005
0.001
0.01
0.05
2.22
Dp
max
= Maximum permissible differential pressure across the slipper valve’s control path, valid for the
entire actuating range of the motorised slipper valve
Dp
v100
= Differential pressure across the fully open slipper valve by a volume flow V
100
V
&
100
= Volumetric flow through the fully open slipper valve
100 kPa = 1 bar » 10 mWC
1 m
3
/h = 0.278 l/s water at 20 °C
Flow diagram