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Equipment

MNB-125 Directional Drilling Machine

Mnb125 zIMG1365.jpg

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


Mnb125 zIMG0778 hydrostation.jpg

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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