Measuring and testing – With fluid pressure – Leakage
Patent
1986-03-06
1988-02-09
Levy, Stewart J.
Measuring and testing
With fluid pressure
Leakage
73 498, 138 90, G01M 304
Patent
active
047234407
ABSTRACT:
A tube plugging device for temporarily plugging a tube having accessible open ends and a method for leak-testing a shell-and-tube type heat exchanger, in which the channel cover is removed from the heat exchanger, while leaving the head cover and shell cover in place, the end of the tube, adjacent the head and shell covers, is plugged by inserting and expanding an elongated plug device having an expandable sealing ring slidably mounted on one end of an elongated rod, a sleeve slidably mounted on the rod to bear against the sealing ring and expand the same and an expanding means threadably mounted on the other end of the rod to bear against the other end of the sleeve and expand the sealing ring, and a fluid under pressure is introduced into the shell-side of the heat exchanger.
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W. L. Nelson, Petroleum Refinery Engineering, Fourth Edition, 1958, McGraw Hill, p. 546 FIG. 17-7, "A Floating Head Type of Exchanger".
Chirgott Paul S.
Levy Stewart J.
Phillips Petroleum Company
Williams Hezron E.
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