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The renavator


GRUNDOBURST 400S

The best thing for pipe renewal

QUICKLOCK BURST RODS

  • Quick locking couplings without thread (QuickLock), no lubrication required, therefore no time consuming screwing together required
  • Quick rod insertion and removal
  • The rods are connected faster than threaded rods
  • Absolutely push and pull resistant
  • Able to negotiate bends
  • Integral production, therefore highly resistant to stress
  • Robust, low-wear as clamping is not required
  • No slipping back of the rods, due to direct force transmission
  • Rod system with convenient rod accessories
  • Longer service life than screwed rods
QuickLock bursting rods are available from 35 mm diameter for pipes from ND 50.
Other rod diameters: 54 mm, 75 mm, 100 mm, 120 mm and 140 mm.
  • Compact dimensions for small pits
  • Can be applied from a pit in both directions
  • Fast operating cycles and high output
  • Rapid rod pushing through old pipe and during new pipe installation
  • Quick to get started
  • All machine models have remote control
  • Low weight for easy transport
  • Accessories specific to the procedure
  • Stable and job-site specific construction to withstand the highest of loads and strain
  • Long service life and low maintenance effort
  • Ergonomic operation and high level of work safety
  • CE-certified

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TECHNICAL SPECIFICATIONS



  • For pressure and sewer lines ND 1.97 - 9.84 inches up to app. 328 ft length (procedural)
  • for installation in manholes ≥ ND 1000 and in small pits
  • Pulling rig length only 23.62 inches
  • Effective rod length in the manhole: 18.05 inches
  • Relatively simple operation in the manhole
  • No excavation when working from manhole to manhole
  • All-round working safety

TECHNICAL SPECIFICATIONS

PERFORMANCE DATA
GRUNDOBURST 400S
Dimensions of rig LxWxH [mm]:
23.62 x 19.29 x 13.39
Weigh of rig [kg]:
440.92
Thrust [kN]:
61,822.48
Pulling force at 250 bar [kN]:
89,923.60
Pit size LxW [mm]:
98.43 x 43.31, manhole min. Ø 39.37
Axle height [mm]:
Pit: 8.66 | manhole: 5.51
Recommended hydraulic station:
TT-B110 or TT-B20
Drive output [kW]:
73.89 at 2,300 rpm, 32.72 at 3,000 rpm
Hydr. operating pressure [bar]:
3,625.95
Old pipe Ø [mm]:
ND 1.97 - ND 9.84
For pipe materials:
VCP, PVC, PE, grey / ductile cast iron, AC, GFRP, steel
New pipe Ø [mm]:
up to OD 11.02
For pipe materials:
PE, PP, VCP, ductile cast iron, GFRP, steel
Bursting rod Ø [mm]:
2.13 (standard) or 1.38, max. 44,961.80 lbf.
Bursting rod weight [kg]:
11.02
Effective bursting rod length [mm]:
18.50

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