Besides a visual inspection upon disassembly, what method can be used to check for suspected leakage through a heat transfer plate of a plate type hea...

Question

Besides a visual inspection upon disassembly, what method can be used to check for suspected leakage through a heat transfer plate of a plate type heat exchanger?

Accepted Answer

One side of the plate is cleaned and sprayed with a fluorescent dye penetrant, and the other side is viewed with an ultra-violet light.

Engine: Expired / General Subjects

Besides a visual inspection upon disassembly, what method can be used to check for suspected leakage through a heat transfer plate of a plate type heat exchanger?

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