Bursting Tools

Cutting and Bursting Tools

		Rollenmesser (english: cutting knifes)

Bursting Tools
ø 133 - 245 mm (ø 5.2"-9.6")

  1. for bursting or cutting of old cast iron pipes, steel pipes,concrete pipes, clay ware pipes or plastic pipes with ø 50 mm - 350 mm (2" – 14")
  2. new pipe: HDPE pipe up to OD 180 mm (7")
  3. for bigger pipes there are bigger bursting tools available
  4. the expander cone is slid forwards to assemble the PE pipe
  5. short single units for easy disassembly after having finished the pipe pulling procedure


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    1 = Drill rod, 1 m (3.3 ft) long
    2 = Bursting rod
    3 = Drill rod, 0.5 m (1.65 ft) long
    4 = Coupling adapter
    5 = Chain lock
    6 = Expander cone
    7 = Pipe pulling adapter
    8 = PE pipe

Bursting Tools <br/>  ø 133 - 245 mm (ø 5.2
Bursting Tools
ø 133 - 245 mm (ø 5.2"-9.6")


Bursting Tools
ø 273 - 406 mm (ø 10.75"-16")

  1. for bursting or cutting of old cast iron pipes, steel pipes, concrete pipes, clay ware pipes or plastic pipes with ø 50 mm - 350 mm (2" – 14") (even ductile)
  2. new pipe: HDPE pipe OD 225 mm – OD 355 mm (OD 8.85" – 14")
  3. for smaller pipes there are smaller bursting tools available
  4. the PE pipe is connected with the patented flat bolt system to the bursting sleeve
  5. short single units for easy disassembly after having finished the pipe pulling procedure


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    1 = Drill rod, 1 m (3.3 ft) long
    2 = Bursting rod
    3 = Drill rod, 0.25 m (0.82 ft) long
    4 = mini bursting sleeve
    5 = bolt ø 30 mm (1.18") mm for pipe connection
    6 = PE pipe

Bursting Tools<br/>  ø 273 - 406 mm (ø 10.75
Bursting Tools
ø 273 - 406 mm (ø 10.75"-16")


Centring Adapter

    During bursting with the cable burster TERRA-EXTRACTOR X 400 and the rod burster TERRA-HYDROCRACK HC 600 S+ and HC 600 C+ the 3-wing cutter may be pushed sidewise. Then only one knife cuts.


    The centring adapter solves this problem. It is slid in front of the bursting rod. The centring adapter centers the bursting rod inside of the old pipe. It prevents mostly that the bursting rod is pushed sidewise. All 3 knives cut continuously.


    Centring adapters are offered for all old pipe diameters.

Centring Adapter
Centring Adapter


Roller cutters
DN 100 - 150 mm (4" - 6")

  1. Since 1997 TERRA offers roller cutters
  2. Cuts nearly every old material
  3. Especially recommended for ductile cast iron
  4. Cuts ductile with lowest pulling forces (much lower than with static cutters)
  5. Especially heat-treated cutting rolls
  6. To reduce the friction in the old pipe, the roller cutters are equipped with wheels at the opposite side.
  7. The wheels are positioned sidewise to the cutting rolls. This increases the forces.
  8. API 36 couplings at booth ends for the rods or the pulling cable
  9. Suitable for the rod bursters TERRA-HYDROCRACK HC 600 C+ and S+ and for the cable burster TERRA-EXTRACTOR X 400

Roller cutters  <br/>DN 100 - 150 mm (4
Roller cutters
DN 100 - 150 mm (4" - 6")


Roller cutters
DN 200 - 300 mm (8"-12")

  1. Since 1997 TERRA offers roller cutters
  2. Cuts nearly every old material
  3. Especially recommended for ductile cast iron
  4. Cuts ductile with lowest pulling forces (much lower than with static cutters)
  5. Especially heat-treated cutting rolls
  6. To reduce the friction in the old pipe, the roller cutters cutters DN 200-300 mm (8”-12”) are equipped with wheels.Two lines with each 4 wheels minimise friction in the old pipe.
  7. The wheels are positioned sidewise to the cutting rolls. This increases the forces.
  8. API 36 couplings at booth ends for the rods or the pulling cable
  9. Suitable for the rod bursters TERRA-HYDROCRACK HC 600 C+ and S+ and for the cable burster TERRA-EXTRACTOR X 400

Roller cutters <br/>  DN 200 - 300 mm (8
Roller cutters
DN 200 - 300 mm (8"-12")


Traceable Expander Chucks

    TERRA has developed the “Traceable Expander Chuck”, which allows the contractor to measure the exact path of a new pipe during the pipe pulling progress. This is possible for pipe replacement (pipe bursting, inliner) and for HDD bores. The sonde D 18 is screwed behind the expander chuck by a shock proven adapter. The sonde D 18 can be located with conventional cable locators.


    The adapters are shock proven. This increases the lifetime of the sonde. Depending of the pipe diameter one of the following adapters is required.

Traceable Expander Chucks
Traceable Expander Chucks



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TERRA AG für Tiefbautechnik - Hauptstrasse 92 - 6260 Reiden - Schweiz - Tel. +41 62 749 10 10 - office@terra-eu.eu