The FTL93S is manufactured by Fluid Components International LLC. It is an insertion type flow switch, that can be used in a wide variety of applications including pump protection, safety spray nozzle monitoring, cooling water/heat exchanges, oil well system testing, drain line flow, and relief valve monitoring.The FLT93S can be simply field-configured or factory preset, providing good level of versatility, precision and stability for all multiple process sensing and switching requirements.The setpoint range for water-based liquids is 0.01 to 3.0 fps, for Hydrocarbon-based Liquids is 0.01 to 5.0 fps , and for air/gas is 0.25 to 120 sfps.