Final control element actuator symbols
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  • Create Date May 19, 2023
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Final control element actuator symbols

Actuator with remote actuated partial stroke test device.
Manual or remote reset on-off solenoid actuator.
Latching on-off solenoid actuator.
Spring or weight actuated relief or safety valve actuator.
Pilot actuated relief or safety valve actuator.
Pilot pressure sensing line deleted if sensing is internal.
Actuator with side-mounted handwheel.

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Final Control Element Symbols
Control valve failure and de-energized position indications