Kv values:
Open/Close valve
Butt weld spigot
DIN 11850
Butt weld spigot
DIN 11866
Threaded socket
DIN ISO 228
DN
10
-
-
-
15
2.4
5.5
5.4
20
-
11.7
10.0
25
-
20.5
15.2
32
-
33.0
23.0
40
-
51.0
41.0
50
-
61.0
68.0
65
-
80.0
80.0
80
-
100.0
100.0
Kv values determined in accordance with DIN EN 60534. The Kv value specifications refer to the largest actu-
ator for the respective nominal size. The Kv values for other product configurations (e.g. other connections or
body materials) may differ.
Kv values in m³/h
Control valve:
Standard regulating cone (DIN)
DN
Kv values
Operating
pressure
Actuator
version
linear
equal
percentage
15
5.0
32.0
0A
RS920
RS930
20
10.0
20.0
0A
RS921
RS931
25
15.0
12.0
0A
RS922
RS932
15.0
32.0
1A
RS923
RS933
32
24.0
20.0
1A
RS924
RS934
40
38.0
12.0
1A
RS925
RS935
38.0
20.0
2 A
RS905
RS915
50
50.0
8.0
1A
RS926
RS936
60.0
20.0
2 A
RS906
RS916
65
60.0
5.0
1A
-
RS937
60.0
15.0
2 A
-
RS917
80
80.0
4.0
1A
-
RS938
80.0
6.0
2 A
-
RS918
Kv values in m³/h
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6 Technical data
