Flowserve MX Electronic Actuator SIL Safety IOM - Manual (Page 10)

Limitorque MX Electronic Actuator FCD LMENIM2350-01 – 9/13
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FLOWSERVE PROPRIETARY INFORMATION
Use or disclosure of this information is subject to the restrictions on the title page of this document
3.6 Proof Test Interval
User should perform a full stroke proof test sequence at least once per year during the mission life of the actuator.
3.7 Basic Safety Configuration Requirements
Actuator should be configured and wired for emergency operation and partial stroke testing as shown in section 9.4 of
this document.
3.8 Optional Emergency Overrides
The user may choose to disable certain actuator protection features such that the actuator may sacrifice itself in order
to attempt to achieve the demanded safe state during an emergency.
See “ESD (Emergency Shutdown) Overrides” in the IOM.
NOTE: The actuator warranty shall be voided if any of these protection features are disabled.
3.9 Labeling
Actuators that have been approved for operation in Safety Instrumented Systems shall have a label affixed that indicates
its SIL rating.