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SBC: Tullis Engineering Consultants Topic: N/A
ONE OF THE IMPORTANT UNRESOLVED OPERATIONAL PROBLEMS AT NUCLEAR POWER PLANTS IS CAVITATION IN CONTROL VALVES. EACH YEAR COSTLY SHUTDOWNS ARE NECESSARY TO REPAIR VALVES DAMAGED BY CAVITATION. THE PROBLEM IS MORE THAN JUST AN ECONOMICAL BURDEN ON THE UTILITY, IT CAN CREATE SAFETY-RELATED PROBLEMS BECAUSE A VALVE DAMAGED BY CAVITATION MAY NOT BE ABLE TO PERFORM ITS INTENDED FUNCTION. THE PRIMARY REAS ...SBIR Phase I 1992 Nuclear Regulatory Commission