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GRUNDOBURST - Static pipe bursting systems

In static pipe bursting with GRUNDOBURST, damaged old pipes made of brittle or ductile materials are broken apart, shredded and replaced by new pipes with smaller, the same, or even larger diameter in the existing bore path. It is possible to work horizontally in both directions from a machine pit with lengths of up to 150 m in both directions.

In addition to the complete renewal of pipes using static pipe bursting, the versatile GRUNDOBURST rigs can also be used for the partial repair and renovation of pipes using calibre pipe bursting, tight-in-pipe, cross-section reduction or pipe relining.
 
For the trenchless renewal of damaged pipes up to Ø 1.200 mm (Circular and Oval profile) there are five GRUNDOBURST models with pulling forces from 40 to 250 kN available.

GRUNDOBURST 400G

FEATURES

  • For pressure and sewer lines ND 50 to ND 250 up to approx. 100 m lengths (dep. on method)
  • Compact dimensions for small pits
  • Rapid work cycles and high performance
  • Fast rod pushing in the old pipe and pulling in of the new pipe
  • Light weight for simple transportation
  • Can be applied in both directions from a single pit
  • Simple installation and rapid machine start
  • One-man operation with remote control
  • Accessories for specific methods

GRUNDOBURST 400S

FEATURES

  • For pressure and sewer lines ND 50 to ND 250 up to approx. 100 m length (dep. on method)
  • Pulling rig length only 60 cm
  • Effective rod length in the manhole: 470 mm
  • Relatively simple operation inside the manhole
  • No excavation when working from manhole to manhole
  • All-round working safety

GRUNDOBURST 800G

FEATURES

  • For pressure and sewer lines ND 80–ND 400 up to approx. 100 m lengths (procedural)
  • Compact dimensions for small pits
  • Rapid work cycles and high performance
  • Fast rod pushing into the old pipe and pulling in of the new pipe
  • Can be applied in both directions – from a single pit
  • Rapid machine start
  • One-man operation with remote control
  • Accessories for specific methods

GRUNDOBURST 1250G

FEATURES

  • From GRUNDOBURST 1250G upwards a new power class begins. The GRUNDOBURST 1250G generates a maximum pulling force of 1270 kN (127 t). The machine is either suitable for replacing old pipes from ND 150 to ND 600 over up to 300 m lengths or relining old pipes up to. approximately ≤ 1,000 m.
  • As higher pulling forces are required for penetrating the soil in greater installation depths the bursting rods are dimensioned accordingly with a length of 1.70 m and a weight of 85 kg. For models 1250G and upwards insertion and removal of the bursting rods is carried out with a lifting device.

GRUNDOBURST 1900G

FEATURES

  • The GRUNDOBURST 1900G generates a max. pulling force of 1,900 kN (190 t). This allows the renewal of defective pipes from ND 250 to ND 800 in lengths of 300 m max.
  • The rods are 2.25 m long and weigh 165 kg each, the permissible bending radius is only 55 m.

GRUNDOBURST 2500G

FEATURES

  • The GRUNDOBURST 2500G sets the benchmark for trenchless pipe renewal. It generates a maximum pulling force of 2,550 kN (255 t). This allows the renewal of old pipes from ND 300 to ND 1,200.
  • The rods are 2.20 m long and weigh 210 kg each. For steel pipe relining projects, mains lengths up to 1,280 m can be pulled in.



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Advanced Trenchless Technology