GroundHog 1/2″ ID to 2.25″ OD


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The Ground MILLHOG is ideal for tube beveling during boiler outages and can end prep all boiler tube materials. The critical width dimension is only 1.500in wide for accessing single tubes in a boiler tube waterwall and it can be equipped with a Membrane Removal Head for removing membrane from boiler tubes from .875in o.d. to 1.250in o.d.
The available automatic air activated clamping system instantly clamps and releases the beveling tool to and from the tube i.d. This reduces cycle time between end preps and can increase tube beveling production by 300% or more.

The Ground Millhog can also be equipped with either a 950 watt electric motor 18 volt battery powered 18 volt when air is not available or desired.