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

PULLING FORCE MEASUREMENT GRUNDOLOG

Monitoring and logging of pulling force imparted on new pipe during installation
Performance categories: 150kN, 400kN, 1,250kN, 2,500kN
Self-sufficient storage and live transfer of data possible

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 andhigh level of work safety
CE-certified

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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

TECHNICAL DATA

GRUNDOBURST 1250 G WITH HP55

Dimensions of rig LxWxH:

2.300 x 1.100 x 875 mm

Weight of rig:

3.120 kg

Thrust:

395 kN

Pulling force at 250 bar:

1.272 kN

Pit size LxW:

6.500 x 1.700 mm

Axle height:

360 mm

Drive output at 2,000 rpm • 2,300 rpm • 3,000 rpm:

- | 55,1 | - kW

Hydr. operating pressure:

250 bar

Old pipe Ø:

ND 150 - ND 600 mm

For pipe materials:

PVC, PE, stoneware, ductile/grey cast iron, AC, GFRP, steel

New pipe Ø:

up to OD 630 mm

For pipe materials:

PVC, PE, stoneware, grey cast iron, GFRP, steel

Bursting rod Ø:

100 mm

Bursting rod Ø alternative:

- mm

Bursting rod weight:

85 kg

Effective bursting rod length:

1.700 mm

All data without guarantee:

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Call

+61 7 3420 5455

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