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Plate Tek – Services-Heat Exchanger Testing



HEAT EXCHANGER EDA TESTING

  • Sole Irish agency for the Testex fault detection system (Electrolytic Differential Analysis)
  • A concentrated saline solution is circulated on one side of the heat exchanger and water on the other
  • A significant increase in conductivity over time indicates that some of the saline solution has infiltrated the water side and so a leak is present in the heat exchanger
  • Highly sensitive and reliable system of leak detection

HYDROGEN TRACE GAS TESTING FOR DOUBLE WALL PHE

  • No chemicals/water, only a H2 / N2 gas mixture, which is flushed out with air
  • Smallest existing diatomic molecule so it is very sensitive to minute defects
  • Can be used on any size or type of heat exchanger
  • Can be done in-situ to minimise downtime
  • Effective on dual wall

HYDROSTATIC PRESSURE TESTING

  • The heat exchanger is isolated and pressurised on one side
  • A significant drop in pressure in a given time (30 minutes) indicates a leak
  • Simple method to find medium to large size defects on Plate Heat Exchangers
  • Effective for leak detection on Shell & Tube

 

 




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