Recent Blogs
Roller Tube Expander Mechanism: How It Works, Parts, Wall Reduction Formula and Uses
Roller Tube Expander explained — how the mandrel and rolls cold-work boiler tubes into tube sheets, with torque math, real specs, and shop examples.
Boiler Tube Expander Mechanism Explained: How It Works, Parts, Diagram & Wall Reduction Formula
See how a mandrel and rollers expand a boiler tube into its tubesheet. Compare target rolled diameter and wall thickness from measured dimensions and a...