Abstract: A system and a method for plugging a heat exchanger tube or the like. The system includes a plug member having a central shaft having a compressible member mounted on the central shaft such that axial compression of the compressible member radially expands the compressible member into sealing engagement with an inner wall of a tube in which the plug member is inserted. The system further includes a drive means removably engaged with the plug member for inserting the plug member into the tube and for providing axial force on the compressible member to cause radial expansion of the compressible member into sealing engagement with the inner wall of the tube.

Abstract: A tube cleaner that provides for easy insertion into an open end of a tube has a shaft, a nose portion and tail portion, and a plurality of scraper devices secured to the shaft. The scraper devices are U-shaped and have a base and at least two leg portions which have terminal scraping sections. A tongue is provided on the leg portion which extends from the leg portion rearwardly and outwardly to a position adjacent the scraping section of the scraper device.