Hybrid switch provides reliable flow or leak detection in nuclear power plants
Mike Edwards
Products FCI Fluid Components International
The FLT93 Series FlexSwitch from Fluid Components International (FCI) is suitable for use in a wide range of nuclear power plant flow, level and temperature measurement applications. Applications include reactor core coolant, level interface detection and temperature, pump protection, flood alarm, condensate pot level and turbine water — in any application where the measurement of both flow and temperature or level and temperature are important, the company says.
The hybrid device from FCI has been tested to IEEE 323-1983 and IEEE 344-1987, making it fully qualified for Class 1E safety related nuclear power plant applications.
The company maintains a 10CFR50 Appendix B Quality Assurance Program and complies with 10CFR21 and ANSI-N45-2.
Both the insertion and in-line sensor versions are qualified for a 40-year life at 150°F.
The FLT93 sensor is qualified to radiation levels of 2×108 rads. T
he FLT93 electronics are qualified to 5×105 rads for applications requiring an integral unit (sensor and electronics).
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