Boiler tube expander ø 1-1/2 - 3-1/4" (38.1 - 82.6 mm) | 22 series

The revolving thrust collar, of hardened steel, bears against the tube seat and provides non-jamming operation with maximum resistance to abrasive action. Compact design permits working close to wall or adjacent tubes. For sizes 2-Inch and up, the rolls are self-retained and the expanders are suitable for far end rolling with Reverse Taper Mandrel and extension drive. Features: Three Roll Self Feeding Non-Parallel Expansion Revolving Collar Type Non-Flaring The Series 22 self-feeding Tube Expander is especially designed for use in boiler rooms, boiler repair shops, railroads, Scotch marine boilers and for all general rolling in fire tube boilers where flaring is not required.