Flowserve LPC Compact Actuator Series - Manual (Page 9)

2.5 Initial Operation
Before initial operation of the actuator, perform the following checks:
• Check that all electrical supply, control and signal lines are properly connected, by following the dedicated customer
procedures.
• Check that the pressure and quality of the supply fluids are as prescribed.
• Check the absence of leaks in the pneumatic connections. If necessary tighten the pipe fittings.
2.6 Fail Open and Fail Close Configuration
The actuator is designed for work in both configurations: fail open and fail close. For conversion from one configuration
to the other, refer to next paragraph.
Figure 5: Actuator Configuration: Fail Close – Fail Clockwise – Single Acting
Figure 6: Actuator Configuration: Fail Open – Fail Counter Clockwise – Single Acting
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LPC Compact Actuator Series FCD LFENIM0002-00-AQ 07/14
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