Thermal Flow Switch Ensures Process Safety


Engineers at natural gas liquids (NGL) fractionation processing facilities will find the FLT93L Series FlexSwitch an effective and reliable solution for process relief valve leak monitoring in this demanding petrochemical process.


It accurately monitors pressure relief valves for escaping flow with a thermal dispersion technology flow sensing switch/alarm.


FLT93L switch features:

  • easy to install and set up
  • voltage output allows user to see into the process and accurately set desired trip point
  • flow accuracy is ±2% of setpoint velocity over a ±50°F temperature range
  • repeatability is ±0.5% reading
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