Elliott's 3300 Series Straight Boiler Expanders are the preferred tube expanders for expanding tubes in firetube boilers or in self-contained steam boiler units. They are recommended for any requirement for parallel expansion of tubes in tube sheets.
The standard expanders are provided with thrust collars for rolling tubes flush to the tube sheet. Prong style collars are also available for tube ends extending beyond the tube sheet face.
Features & Benefits:
- For performing a straight roll operation or re-rolling leaky joints.
- Ball bearing thrust collar prevents force feed of expander into tube.
- High quality steel for the most demanding boiler applications
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