Control valves
Electric actuators
AEL56 or AEL66 actuator maximum differential pressures - bar
Actuators should be sized against Kvs rather than valve size
KE and QL series control valves
* Note: Differential pressures are shown in brackets for a valve with high temperature graphite stem sealing.
C series control valves
Valve size DN125
DN150
DN200
Travel 50
30 50
30 50
30
Valve seat sizes
Full
Kvs
Reduced Kvs
1
2
3
Full
Kvs
Reduced Kvs
1
2
3
Full
Kvs
Reduced Kvs
1
2
3
Maximal DP *
16.2
(15.8)
24.6
(24.1)
38
(37.2)
40
(37.2)
11.1
(10.9)
16.2
(15.8)
24.6
(24.1)
38
(37.2)
6.2
(6.1)
11.1
(10.9)
16.2
(15.8)
24.6
(24.1)
Valve size DN125
DN150
DN200
Travel
65
50 38
38
65
65 50
38
75
65 65 50
Valve seat sizes
Full
Kvs
Reduced Kvs
1
2
3
Full
Kvs
Reduced Kvs
1
2
3
Full
Kvs
Reduced Kvs
1
2
3
Unbalanced valve
Maximal DP
18
23.6 38.4
54.5
12.3
17.7 23.2
37.7
6.7
11.8 17.1 22.3
Balanced valve
Maximal DP
100
100 100
100
100
100 100
100
100
100 100 100
Spira-trol
TM
K and J series control valves
Valve size
DN125 DN150 DN200 DN250
DN300
Travel
70
70
70
70
70
Kv
all all all
all
full
reduced
Unbalanced
valve
Maximal DP
PTFE
graphite
15.0
8.2
3.6
3.6
0.4
3.6
14.6
8.0
3.5
3.5
0.3
3.5
Balanced
valve
Maximal DP
PTFE
graphite
103.4 103.4 95.6
95.6
31.2 95.6
103.4
103.4
93.4
93.4
30.4
93.4
Selection example
Dimensions (approximate) in mm
Weight 20 kg
280
Control valve
Maximum DP
Electrical supply
Control signal
Actuator selected
Positioner required
Valve adaptor
Mounting flange
Please note:
DN150 KE43 2-port valve
8 bar
220 Vac
4 - 20 mA
AEL56411JXA
AEL5961
EL5955
EL5974
227
For further product specific data of the actuator,
see the following Technical Information sheets:
Engage button
for handwheel
Handwheel
Valve adaptor
(coupling nut,
spring disks
and locked
nut)
Mounting
flange
-
TI-P358-25 for the AEL5.
or
807
-
TI-P358-23 for the AEL6.
TI-P358-30 CH Issue 2
AEL56 and AEL66 Series Electric Actuators for DN125 to DN300 Control Valves
4.3.26
