How to detect leaks in shell and tube heat exchangers
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Although shell-and-tube heat exchangers can be pressurized in the shell side and soaped water can be applied to the tube side for leak detection, this is done after a leak has occurred. Is there any good method to detect and prevent leaks before they happen?
Well, this needs to be considered in terms of design materials, structure, and manufacturing.
A strong permeant medium can be used to conduct a density test before operation, such as for ammonia leakage detection. It might be because the hydrostatic test cannot simulate the conditions under which you drive, so sometimes defects go undetected.