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Control systems Electric actuators
Maximum differential pressures in bar (psi) for Class VI shut - off - Resilient Seated (P) Spira - trol - DN32 - DN50 (1¼" - 2'') - FLOW OVER
Standard Cage (S) DN32 - DN50 (1¼" - 2")
Cage Type
Valve size
Actuator Type
Kvs
4
6.3
10
16
17.5 - 18
Cv
4.6
7.3
12
18
20.2 - 21
Thrust kN (lbf)
Pressure N-P H D N-P H D N-P H D N-P H D N-P H
19.0 (276) 0.0 (0.0)
19.0 (276) 0.0 (0.0)
19.0 (276) 0.0 (0.0)
19.0 (276) 0.0 (0.0)
19.0 (276) 0.0 (0.0)
19.0 (276) 0.0 (0.0)
19.0 (276) 0.0 (0.0)
19.0 (276) 0.0 (0.0)
19.0 (276) 0.0 (0.0)
19.0 (276) 0.0 (0.0)
19.0 (276) 0.0 (0.0)
19.0 (276) 0.0 (0.0)
19.0 (276) 0.0 (0.0)
19.0 (276) 0.0 (0.0)
Max.
0.9 (202)
AEL71T
Min.
Standard Cage (S) DN32 - DN50 (1¼" - 2")
4.3 50
Cage Type
Valve size
Actuator Type
Kvs
25
31 - 36
46 - 50
Cv
29
36 - 42
53 - 58
Thrust kN (lbf)
Pressure N-P H D N-P H D N-P H D
19.0 (276) 0.0 (0.0)
19.0 (276) 0.0 (0.0)
19.0 (276) 0.0 (0.0)
19.0 (276) 0.0 (0.0)
19.0 (276) 0.0 (0.0)
19.0 (276) 0.0 (0.0)
19.0 (276) 0.0 (0.0)
19.0 (276) 0.0 (0.0)
19.0 (276) 0.0 (0.0)
Max.
0.9 (202)
AEL71T
Min.
* Steam - Tight (option C) NOT suitable for Flow Over applications
Note: Maximum differential pressure for saturated steam. Refer to Spirax Sarco for other liquids and gases.
TI-P713-02 CTLS Issue 8
Page 26 of 30
AEL7 Series Electric Linear Actuator
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