November 2016 No. 71 Vol. 11

New Products

New Cutterhead Configuration For TT Technologies Grundoburst

TT Technologies recently introduced a new cutterhead configuration for its Grundoburst static pipe bursting system consisting of three specially designed bladed, roller cutterheads in succession. This allows contractors to burst/split large-diameter steel and ductile iron pipes when used with larger Grundoburst systems. The new special cutterhead design allows for a smoother host pipe cut and greater protection for the new pipe.

Pulled by a hydraulic bursting unit, the cutterhead’s special cutting wheels split the host pipe. An attached expander spreads and displaces the split pipe into the surrounding soil while simultaneously pulling in the new pipe. The Grundoburst system features patented QuickLock bursting rods that are linked together, saving time, preventing twisting and extending the life of the cutterhead over threaded models.


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