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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