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The K70 is a range of heavy duty, right angle, pneumatic torque controlled motors for the expansion of Boiler tubes in Steam and Mud Drums, Fire Tube Boilers and similar equipment.





This machine is particularly well suited to extended periods of operation and is equipped with a Roll Throttle as standard.
(A lever throttle is available as an option).

The machine has a unique head design which features a fully enclosed bearing for long life.

With Industry input the K70 has been engineered to precisely and consistently expand boiler tubes.

3 machines are available to suit tubes of nominal size 2”, 2 ½”, and 4”.

Expanding Range (METRIC)

Up To 63.5mm OD

Expanding Range (IMPERIAL)

Up To 2 1/2" OD