When ball-type control valves in a reactor coolant system were found to be sticking during low flow testing, we were asked to review the available data, monitor the valve disassembly and inspection, and review the corrective action proposed by the vendor. From our analysis, we recommended a design modification, which was then adopted, and provided oversight of the valve reassembly and reinstallation.


We perform design, analysis and troubleshooting services on equipment for clients in industries including petrochemical, manufacturing and energy.

Give us a call to discuss your engineering challenges.

Related Projects

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Failure of Nuclear Thermal Shield Subjected to Flow Induced Vibration

Similar Services

Engineering Troubleshooting
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Publications – Heat Exchangers, Pressure Vessels, Weld Applications, Fatigue, Elevated Temperature
Links to Engineering Resources

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