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  Tube Expanders

Vertical Mechanical Expander

Accuracy and precision during tube entry and exit ensure that tubes are expanded uniformly, and fins remain unharmed. Higher production rates are made possible by the short cycle time. The coil lift and eject systems assist in operator safety and ergonomics. Oak Expanders come in all sizes, from single tube expanders to large horizontal expanders for your largest coils. We offer many options to customize your expander to your specific production requirements.

Horizontal Progressive Expander

The Horizontal Progressive Expanders use a small bore hydraulic cylinder to expand tubing in a heat exchanger coil. Single Tube Expanders consist of one cylinder that expands a single tube at a time. Single Hairpin Expanders typically consist of 3 cylinders arranged in a triangular pattern so that both legs of any hairpin may be expanded at the same time. Other configurations are available upon request, These machines are very versatile, and can be set up for different coil configurations in just a few minutes. They are also capable of providing very high expansion forces for expanding stainless steel and other exotic tubing materials.

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