The basic philosophy of Leak-Before-Break (LBB), as the name implies, is based on detection of Leak from a pipeline, carrying a high-energy liquid, Before it Breaks. The LBB methodology is now accepted as a justifiable approach in eliminating the traditional Double-Ended Guillotine Breaks (DEGB), in the design of high energy piping component where it is applicable. In the design of a nuclear reactor, sufficient safety features are incorporated, to limit the consequences of a DEGB. But the establishment of LBB concept has been helpful in the reduction of a large number of structures required for pipe whip restraints and jet shields. This is also beneficial in terms of cost reduction and radiation exposure. Hence, it is extremely important to detect and measure leak, from any high energy piping in a nuclear reactor.
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