Flow, level, and temperature instrument innovators since 1964



Flow Switches for Liquid, Air, Gas Applications in Industrial Processes and Plant Operations

FCI flow switches feature thermal dispersion technology in which the temperature difference is greatest in a no-flow condition and decreases as flow increases, cooling the heated RTD. Changes in flow velocity directly affect the extent to which heat dissipates and, in turn, the magnitude of the temperature difference between the RTDs.
An electronic control circuit converts the RTD temperature difference into a conditioned DC voltage signal. These signals are used to drive adjustable-setpoint alarm circuits and outputs. Depending on the model, alarms are field configurable for flow, temperature, high or low, hysteresis, time delay and more. FCI offers a broad range of flow switch products to meet a wide range of performance and application requirements. FCI flow switches are rugged, reliable and repeatable to ensure continuous operation and longest service life in industrial applications. An extensive selection of flow element materials, process connections and enclosures are available to ensure compatibility and easiest installation in your process.

FLT93 Series: Ultra Rugged, High Performance Flow and Temperature
  Model Type Application
  FLT93S Flow Switch Insertion All Liquids and Gases
  FLT93F Flow Switch Insertion Fast Response, Air and Gas
  FLT93B Flow Switch Insertion Fixed Configuration of FLT93S for Quick Delivery
  FLT93L Flow Switch Inline Low Flow, Small Lines, All Liquids and Gases
  FLT93C Flow Switch Insertion or Inline Sanitary Food, Bev, Pharm; All Liquids and Gases

FS10 Series: Flow Switch+Monitor for Analyzers and General Purpose Pipe Insertion

  Model Type Application
  FS10A Analyzer Flow Switch/Monitor Tube Tee / SP76 Analyzers and Sampling Systems, Gases and Liquids
  FS10i Flow Switch/Monitor Insertion Compact, General Purpose for Air, Gas, Liquids

NuTec®2000 Series:Single Alarm for Liquids and Gases

  Model Type Application
  FS2000 Flow Switch Insertion Low Cost, Fast Response
  FS2000L Flow Switch Inline Non-Intrusive; Sanitary

Nuclear Qualified Products: 

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