Control systems Electric actuators
4
Maximum differential pressures in bar (psi) for Class VI shut - off - PTFE Seated (G) Spira - trol - DN32 - DN50 (1¼" - 2'') - FLOW UNDER
Standard Cage (S) DN32 - DN50 (1¼" - 2'')
Cage Type
Valve size
Kvs
Actuator Type
4
6.3
10
16
17.5 - 18
Cv
4.6
7.3
12
18
20.2 - 21
Actuator thrust kN (lbf)
N - P
H DN-PH DN-PH DN-PH DN-PH D
1.2 (270) 2.0 (450) 4.0 (900)
AEL71
4.0 (58)
4.0 (58)
4.0 (58)
4.0 (58)
4.0 (58)
4.0 (58)
4.0 (58)
4.0 (58)
4.0 (58)
4.0 (58)
4.0 (58)
4.0 (58)
4.0 (58)
4.0 (58)
4.0 (58)
AEL72
AEL73
4.3 41
Standard Cage (S)
Low Noise Cage (P1)
Cage Type
DN32 - DN50 (1¼" - 2'')
Valve size
Kvs
Actuator Type
25
31 - 36
46 - 50
All Kvs
Cv
29
36 - 42
53 - 58
All Cv
Actuator thrust kN (lbf)
N - P
H DN-PH DN-PH DN-PH D
1.2 (270) 2.0 (450) 4.0 (900)
AEL71
4.0 (58)
4.0 (58)
4.0 (58)
4.0 (58)
4.0 (58)
4.0 (58)
4.0 (58)
4.0 (58)
4.0 (58)
4.0 (58)
4.0 (58)
4.0 (58)
AEL72
AEL73
Note: Maximum differential pressure for saturated steam. Refer to Spirax Sarco for other liquids and gases.
TI-P713-02 CTLS Issue 8
Page 17 of 30
AEL7 Series Electric Linear Actuator
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