U-600767, Final Deficiency Rept 55-86-07 Re Broken Tack Welds on Valves 1G33-F042A & 1G33-F042B.Initially Reported on 860828. Caused by Valve Throttling Between 0-20% of Open Position. Valves Will Be Designed for Extreme Throttling Applications: Revision history

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7 October 2021

27 July 2021

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