Trenchless Service Line Replacement Unit

utiltiy equipment TT Technologies
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Trenchless plastic and copper service line replacement with TT Technologies' Mini Grundotugger is simple. Small launch and exit pits are dug at either end of the service line being replaced. A winch cable is rodded from the exit pit, through the existing line, to the launch pit. At the launch pit, the Mini Grundotugger's splitting expander is attached to the winch line. The Mini Grundotugger winch is placed in the exit pit and the winch line is loaded into the unit. The expander forces the split pipe into the surrounding soil. Contractors can choose to pull in the new pipe directly behind the expander or retrieve the split service first, then pull in the new service.

Two Mini-Grundotugger models are available. One model offers 9,000 lbs. of pullback and the other offers 12,000 lbs. of pullback. The unit's splitting head and expander splits the host pipe and pulls in the new pipe directly behind the expander. Various attachments and cutting head options are available for a wide range of host pipe and product pipe characteristics.

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April 2014
Volume 18, Issue 4
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Utility Products Topics

Transmission & Distribution
                       Vehicles & Accessories
Tools & Supplies   Safety
Line Construction & Maintenance   Test & Measurement

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