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The system consists of a robust rig, the TT hydraulic power unit, the QuickLock bursting rods® and the relevant accessory. The individual system components are matched for performance and safety. The GRUNDOBURST is ready for action very quickly. Operation and application are really simple requiring only two operators.
400 G + S (manhole version) with 275 kN thrust and 400 kN pulling force for pipes from ND 50 (conversion kit for 35 mm rods) to ND 300
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... Specifications
- contamination-free drinking water pipe installation
- no pre-cleaning required in the service area due to method
- calibration simultaneously to the installation of the new pipe
- with telescopic frame for pulling in pipes down into the pit
- one machine for different pipe diameters
- installation of PE, PP, PVC, steel, grey cast and GRP
- new pipe Ø can be smaller, of equal size or larger
- high daily productivity
(depending on job)
- for one man operation in the pit with burst rod box on top (optionally)
- low emissions, high quality and safety standards
- system components are designed to resist both thrust and pullback forces
... Characteristics
- Pipe renewal
- Pipe exchange
- Pipe relining (short and long pipes)
- robust QuickLock bursting rods
- has won several innovation awards (e. g. OEMmie Award)
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GRUNDOBURST 400 G
Length without levelling device (mm)
Length with levelling device (mm)
Width (mm)
Height (mm)
min. machine pit dimensions
L x W x T (mm)
Weight without
levelling device (kg)
Weight without
levelling device (kg)
Thrust at 250 bar (kN)
Pullback at 250 bar (kN)
Max. bursting speed
(dep. on soil and old pipe)
Total rod length (mm)
Effective rod length (mm)
Rod Ø (mm)
Rod weight (kg)
Rod magazine empty/
+ 49 rods (kg, ca.)
Rod magazine L x W x H (mm)
Hydraulic unit TT B 40
Drive engine
Engine output at 2300 rpm
Max. hydraulic pressure (bar)
Oil tank (l)
Fuel tank (l)
Weight (kg)
L x W x H (mm) |
min. 1270
max. 1970
min. 1370
max. 2070
560
520
2200 x 600 x 230 deeper than pipe
540
560
275
400
100 m/h
800
700
54
7,5
135 /
500
870 x 540 x 750
Diesel
17,5 kW
250
90
45
770
1400 x 670 x 1350
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