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Fluid Components International
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The FlexSwitch FLT93S Flow/Level/Temperature Switch provides interface detection and control for separation tanks and other vessels with mixed density media. Unlike density displacers, which are often used for level and interface control, the FLT93S Switch relies on the specific heat-transfer properties of the media to identify the interface of different products. With its thermal dispersion sensing capability, the FLT93S monitors the interface of products with similar densities. The FLT93S can identify the interface between any type of media including foam, emulsion layers, liquids and slurries, and its dual-switch-point option allows one instrument to control two different product interfaces. Two or more switches are used to control product discharge and intake at specified points. The standard FLT93S withstands operating temperatures from –40 to 350°F (–40 to 177°C), and an optional configuration is available for temperatures from –100 to 850°F (–73 to 454°C). With its advanced thermal-dispersion mass-flow sensor, the FLT features built-in temperature compensation. — Fluid Components International, San Marcos, Calif.