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The renovator


GRUNDOBURST 1250G

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 constructionto withstand the highest of loads and strain
  • Long service life and lowmaintenance effort
  • Ergonomic operation and high level of work safety
  • CE-certified

REQUEST FREE CONSULTATION NOW.

TECHNICAL SPECIFICATIONS



From GRUNDOBURST 1250G upwards a new power class begins. The GRUNDOBURST 1250G generates a max. pulling force of 285,956.92 lbf (127.2 t). Depending on the method, it can renew damaged pipes from ND 5.90 to 23.62 inches in lengths of 984.25 ft up to approx. ≤ 3,280.84 ft can be pulled in if relining is applied. Furthermore, greater installation depths demand extreme pulling forces for displacing the soil. To meet these needs, the rods are manufactured with lengths of 66.93 inches they weigh 187.39 lbs each. Inserting and breaking away the rods is performed with a hoist from rig type 1250G upwards.

TECHNICAL SPECIFICATIONS

PERFORMANCE DATA
GRUNDOBURST 1250G TT B110 metrical
GRUNDOBURST 1250G TT B110 imperial
Dimensions of rig LxWxH:
2.300 x 1.100 x 875 mm
90.55 x 43.31 x 34.45 in
Weight of rig:
3.120 kg
6,883.34 lbs
Thrust:
395 kN
88,799.56 lbf
Pulling force at 250 bar:
1.272 kN
285,957.05 lbf
Pit size LxW:
6.500 x 1.700 mm
255.91 x 66.93 in
Axle height:
360 mm
14.17 in
Drive output at 2,000 rpm • 2,300 rpm • 3,000 rpm:
- • 55,1 • - kW
- • 73.89 • - hp
Hydr. operating pressure:
250 bar
3,625.95 psi
Old pipe Ø:
ND 150 - ND 600 mm
ND 5.91 - ND 23.62 in
For pipe materials:
PVC, PE, stoneware, ductile/grey cast iron, AC, GFRP, steel
PVC, PE, stoneware, ductile/grey cast iron, AC, GFRP, steel
New pipe Ø:
up to OD 630 mm
up to OD 24.80 in
For pipe materials:
PVC, PE, stoneware, grey cast iron, GFRP, steel
PVC, PE, stoneware, grey cast iron, GFRP, steel
Bursting rod Ø:
100 mm
3.94 in
Bursting rod Ø alternative:
- mm
- in
Bursting rod weight:
85 kg
187.39 lbs
Effective bursting rod length:
1.700 mm
66.93 in

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