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Comment PDF Automation & Control

Level Monitoring and Control

By Chemical Engineering |

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Interface detector supports hydrocarbon separation

Fluid Components International

Fluid Components International

The FlexSwitch FLT93S flow-level-temperature switch (photo) is a dual-function, insertion-style instrument that can identify the interface between any type of media, including foam, emulsion layers, liquids and slurries. The FLT93S switch allows one instrument to control two different product interfaces. Two or more switches can be used to control product discharge and intake at specified points. It offers either flow/temperature sensing or level/temperature sensing in a single device. With its advanced thermal-dispersion sensing technoogy, the FLT93S switch provides precision interface detection of fluids, helping users to manage the separation of crude oil, gas and water during petroleum-recovery and refining operations using either two-phase (oil/gas and condensate) or three-phase (oil, gas and water) separation tanks. It can be used in tanks, for monitoring, controlling and alarming of flowrates or levels of critical fluid layers, such as emulsion layers, foams, liquids and slurries. Unlike density displacers, which are often used for level and interface control, the FLT93S switch relies on specific heat-transfer properties of the media to identify the interface of different products, says the company. Level/interface accuracy is±0.25 in. and measurement repeatability is±0.125 in., says the company. The standard unit withstands operating temperatures from -40 to 350°F, and an optional configuration is available for temperatures from –100 to 850°F. — Fluid Components International LLC, San Marcos, Calif.

www.fluidcomponents.com

 

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