Data Sheet for Product
6/12
Siem ens Modulating control valves with magnetic actuator‚ PN 16 CA1N4465en
Building Technologies 2018-02-05
Sizing
Χp
v100
= differential pressure across the fully open valve and the valve’s control path by a volume flow
V
100
V
100
= volumetric flow with valve fully open (H
100
)
Χpmax = maximum permissible differential pressure across the valve’s control path, valid for the entire
actuating range of the motorized valve (mixing: path A-AB, B-AB)
100 kPa = 1 bar ≡ 10 mWC
1 m
3
/h = 0.278 l/s water at 20 °C
Equal percentage Linear
Volumetric flow
Volumetric flow
10 [V]
10 [V]
20 [mA]
86420
2
4
100
80
60
40
20
0
[%]
y
4455D02
6
12
y
y
10 [V]
10 [V]
20 [mA]
86420
2
4
100
80
60
40
20
0
[%]
y
4 455D 03
6
12
y
y
Positioning signals Positioning signals
Flow chart
Valve characteristic