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Table 3-6: Technical data ∙ Electric actuators for valve size DN 125 and larger
Type 3274-11 and Type 3274-21 Electrohydraulic Actuators ∙ Type 3374-15 Electric Actuator
Valve size
Type ...
Fail-safe action
Rated travel
Transit time for rated travel
Transit time for fail-safe
action
Positioning force
Nominal closing force of
spring
Electrical connection
Power consumption
Permissible ambient tem-
perature
Perm. temperature at the
connecting stem
With heating
1)
With positioner
2)
EB 3018 EN
3274-11
Without
–
2100 N · Stem retracts
1800 N · Stem extends
80 VA
–35 to 60 °C
–
Design and principle of operation
DN 125 to 250
3274-21
With
30 mm
120 s
30 s
230 V, 50/60 Hz
24 V, 50/60 Hz
120 V, 60 Hz
1)
3374-15
Without
–
2500 N
Max. 18 VA
5 to 60 °C
–
3-11
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