| 摘要 |
A tube ferrule for a heat exchanger such for example as a condenser, a boiler, a refrigeration unit, or the like, having the shape of a longitudinally or axially split generally tubular or cylindrical ferrule having radially outwardly extending edge flanges adapted to be compressed and inserted so as to surround the portion of a tube occupying a circular opening in a support plate somewhat larger than the tube.
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