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Fast valve inspection

09 April 2004 - Siemens Westinghouse (SWPC) introduced an innovative concept in fossil valve maintenance. This concept uses advanced tooling, coupled with specifically trained personnel, to disassemble and reassemble valves on Westinghouse designed steam turbines.

FAST Valve (Fast and Accurate Service Tooling) was developed as a valve maintenance offering for the US and global markets. This system can save time and money, reduce the need for the replacement of parts and help assure an accurate outage duration schedule regardless of whether the maintenance is performed on a scheduled or forced outage basis. It is anticipated that valve outage durations can be reduced by more than 50 per cent when using this service.

The heart of the FAST Valve inspection service is a unique tooling system that consists of a single workstation, unit-specific tooling, hydraulic wrenches and an induction heating unit. The workstation is capable of disassembling and reassembling most Westinghouse-designed throttle, pilot, governor and interceptor valve sub-assemblies. Specially designed wrenches and fixtures are applied as needed in order to achieve the desired maintenance results. Tooling within the workstation can be interchanged in a matter of minutes to perform maintenance on each type of valve.





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