The System
The System uses an established and highly effective PATENTED non-destructive testing method.
Unlike other other stress methods i.e. dye penetrant the the System does not require the heat exchanger to be stripped or opened and can find holes down to 5 microns.
This proven method uses Helium gas as it not only has the second smallest atom size, but is also easily detectable.

Helium leak testing is the most sensitive method to detect leaks available to industry today. Helium is the lightest inert gas and is non-toxic, non-hazardous. Helium, due to it's very small molecular size and searching nature is able to pass through the minutest of perforations. Helium leak testing can accurately detect and measure leaks which are 1000 times smaller than could be located by conventional non-destructive testing procedures such as liquid penetrant, acoustic (ultrasonic), and air bubble testing (vacuum box). The equipment can be calibrated to detect a leak which would leak the equivalent of one drop of water per month.
The small ammount of Helium gas used is easily dispersed, leaves no residue, is non toxic and does not stress the plate pack or pontentially leave residues to contaminate product as with dye and water pressure testing methods with pressures from ONE SIDE which can cause the leak to block by minute particles going with the flow of liquid into the fault. Pressure testing from one side also so distorts the pack and if over pressured then you risking causing further major problems with plate packs used in todays efficient industries.
The Helium method involves no pressurizing takes some 5 minutes per section to test a standard plate heat exchanger.
If a leak is detected then as with most methods the pack is dye penetrant tested and stripped to locate and replace defective plates. (Eddy current testing may not pick up pinholes and this is critical)

• Quick, reliable and easy to use
• Safe in Operation (the system detects Helium concentration in the air and as part of the setup process the outside air is tested before and after testing the plate pack and this takes literally seconds and gives complete confidence in the test)
• No Residual Contamination of the heat exchanger as with dyes etc
• Approx 5 minutes testing time per section
• On-Site Testing with Prompt Conclusions and printed HACCP report
• Pinhole Detection regardless of slight soiling
• Helium will pass through water droplets if pack is still wet