Boiler tube expander ø 2 - 3" (50.8 - 76.2 mm) | 28 series

The Model 28 expander features three flare rolls and three straight self retained rolls. The use of this expander simultaneously flares the tube as a preliminary to beading operations. The revolving thrust collar sets the tube and is notched to clear adjacent tubes if on close centers. Ideal for most HRT and other fire tube boilers. The self retained roll feature also makes this expander a popular one for far end rolling when used in conjunction with reverse mandrels and extension drives. Features: Three Roll Self Feeding Flaring Type Non-Parallel Expansion Flaring type to 3/4-Inch Tubesheet