N Series

TN series tube expanders


To ensure uniformity in tube wall rolling and correct expansion without compromising on the mechanical integrity and also prevent leakages, Reliable Tube Expanders for Condensers and Heat Exchangers made by Tritorc provide the following advantages:

  • Durable Heat Treated Components.
  • Corrosion resistant plating.
  • Increased Feed Angle.

Metric Imperial
Minimum Tube Outer Diameter Serviced: 6.3 mm 0.250" (1/4 Inch)
Maximum Tube Outer Diameter Serviced: 9.5 mm 0.375" (3/8 Inch)
Number of Tube Expander Models: 18 -
Number of Roll Set Models: 11 -
Number of Mandrel Models: 10 -
Minimum Tube Birmingham Wire Gauge Thickness: 18 -
Maximum Tube Birmingham Wire Gauge Thickness: 30 -
Minimum Adjustable range of the Threaded Bolt: 6.3 mm 0.250 (¼) Inch
Maximum Adjustable range of the Threaded Bolt: 25.4 mm 1 Inch
* Custom Sizes are available as per Customer Request
TN series tube expander tools

Note: The Dimensional Data relevant to the daigram above is available in the catalogue.

Frequently Asked Questions

For TN Series Tube Expanders Tools

Ideally suited for Copper tubes of small diameters and thinner gauges with applications ranging from radiators, Oil coolers, Condensers, and other apparatus with small diameters

Parameters such as Tube Sheet thickness, Outer Diameter of Tube (using a BWG Tube thickness chart), Cage length, and Adjustable length are key factors to be known while selecting the tool

Drive units which can use Pneumatic and Electric Drive types ranging from ⅜”, ½” and ¼” but various and available and can be driven using the same Drive Unit. The Drive Unit can be provided as per the Client’s requirement.

If the tool is utilized as per instructions under Ideal working conditions it may last up to 2000 usage cycles.

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