Equipment
MNB-125 / Heavy-duty unit for installation and replacement of large pipes

Hydraulic trenchless piercing unit with full steering capability and a pulling force of 125 tons. MNB-125 is capable of installing pipes as large as 500 mm in diameter at the distances of up to 150 m. MNB-125 is also used for trenchless replacement of old pipelines up to 600 mm in diameter by means of static pipe bursting.
Application
The MNB-125 heavy-duty rod pusher is designed for tasks that require a large pulling force. It is perfect for directional underground piercing and pipe-pulling under roads, railway tracks and other obstacles, in particular at large distances. MNB-125 is used for installing new pipes and for replacing old pipes made of cast iron, ductile iron, concrete, ceramics and other materials.
Distinctive features
- Hydraulics in
impact-resistant casing for improved safety
- Automated rod feeding
system
- Modular shoring system
for depths up to 4,5 m

Options for the MNB-125 unit installation and operation:
- from the pit in the collapsible formwork.
No bentonite mixtures required.
Soil types: up to and including the 3rd category.
Specifications:
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Key parameters:
Drilling parameters: Worn pipeline replacement parameters: | Pipeline types:
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