Equipment

MNB-125 Directional Drilling Machine

Heavy-duty rod pusher with the pulling capacity of 125 tons for laying large-diameter pipelines in urban environment

Application:

Installation of large-diameter pipelines using trenchless technology:

Directional boring with dry method at the distance of up to 150 meters
Replacement of old pipelines up to 200 meters long

Installation and operation options for the MNB-125 unit:

from the pit in the collapsible formwork

No bentonite mixtures required.

Soil types: all types except rocky soils.

Specifications:

General specifications:
Monitoring device:	Radar RD – 385 L
Operating temperature range:	-20° ... +40°С
Pulling capacity for pipe-jacking:	94 tons
Pulling capacity for pipe pulling into position:	125 tons
Hydraulic cylinders:	2 pc.
Rated operating pressure of hydraulic cylinders:	20 + 20 MPa
Total weight of the basic equipment (bars not included):	3800 kg
*Hydraulic unit*:
Motor:	2 pc. - Honda GX 690 (gasoline)
Power:	35.4 кW

Overall dimensions:

Hydraulic unit:
Length 2260 mm
Width 1020 mm
Height 1045 mm

Box:
Length 3350 mm
Width 1200 mm
Height 1615 mm

Bar:
Length 600 mm
Diameter 60 / 82 mm
Weight 15.9 kg

Key parameters:

Drilling parameters:
- Pipe-jacking length: 100 - 150 m*.
- Maximal diameters of pipes to be laid: 500 mm
- Personnel required for works: 4 persons.

Worn pipeline replacement parameters:
- New pipeline maximal diameter**: 500 mm.
- Minimal old pipeline diameter: 100 mm.
- Average length of a pipeline to be replaced: 200 m.
- Personnel required for works: 4 persons.

* - drilling parameters can vary and can be higher or less: they depend on geology, working team skills, soil moisture content etc.
** - with the same diameter or with higher or smaller diameter.

Pipeline types:
- Water and sewerage
- Gas
- Conduits for cables used for various purposes

Replaced pipeline material:
- Cast iron
- Reinforced concrete
- Ceramics
- Asbestos
- Steel

New pipeline material:
- Polyethylene
- Steel

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Technological and design solutions used in the manufacture of devices and equipment are the property of MEMPEX LLC and are protected by patents.

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