Leak detection apparatus and method for use with tube and tube sheet joints
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United States of America Patent
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-
May 10, 1983
Grant Date -
N/A
app pub date -
Dec 22, 1980
filing date -
Dec 22, 1980
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A head that engages a face of a tube sheet has a mandrel extending from it for insertion in a tube. Pressurized test fluid is introduced through a conduit in the mandrel into an annular fluid-flow space between the mandrel and the tube. The fluid, which is confined by seals, flows around one end of the tube to the joint and, if the joint is not tight, emerges at the opposite face of the tube sheet where it can be detected.
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