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Home Products Tube Installation Tube Expanders 3-Roll Boiler Tube Expander, Self-Feeding, Flaring (Series 28)
3-Roll Boiler Tube Expander, Self-Feeding, Flaring (Series 28)
SKU: N/A
Wilson’s Series 28 Expanders simultaneously flare 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 and works well in most HRT and other fire tube boilers. These Wilson Expanders are also popular for far end rolling when used in conjunction with reverse mandrels and extension drives. The expander range is taken at the front of the thrust collar.
Tube | Assembly with Mandrel Part No. | Spares | Reverse Taper Mandrel | Expansion Range* Inches | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
OD | Wall | Standard Mandrel | Roll Set Part No. | |||||||||
Inches | (mm) | GA | (mm) | Part No. | Square | Part No. | Square | |||||
Inch | (mm) | Inch | (mm) | |||||||||
2 | (50.8) | 10-16 | (3.4-1.7) | 350040000 | 350240000 | 3/4 | (19.1) | 350370000 | 207660000 | 1/2 | (12.7) | 1.687-2.000 |
2-1/2 | (63.5) | 350080000 | 350260000 | 350400000 | 207690000 | 3/4 | (19.1) | 2.156-2.500 | ||||
3 | (76.2) | 350120000 | 350280000 | 1 | (25.4) | 350430000 | 207720000 | 1 | (25.4) | 2.625-3.000 |
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