What is the proper direction of flow through a globe valve when the valve is installed to be in a normally open position?
Official USCG Answer & Rule Citation
Correct Answer: Option C — From below the seat
Globe valves installed in a normally open position must have flow directed from below the seat. This ensures that if the valve stem fails or detaches internally, fluid pressure pushes the disc upward, preventing accidental closure and loss of system flow.
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