Directional drilling machine MNB-125

                         

Power unit MNB-125                                                         Hydraulic station MNB-125

Construction tasks to be resolved by MNB-125 machine:

• Replacement of worn out pipelines for new ones along with maintenance or increase of their diameter and passage capacity:
  - maximal diameter of a new pipeline – 600 mm
  - average length of the section to be reinstalled – 200 m
  - quantity of persons required for performance of repairs – 4 persons
  - minimal diameter of the replaced pipeline – 110 mm
  
  
• Replacement of worn out pipelines along with reduction of their diameter without excavations:
  - maximal diameter of the pipeline to be replaced – 1000 mm
  - diameter of a new pipeline is to be determined in specifications
  - average length of the section to be reinstalled – 200 - 300 m
  - quantity of persons required for performance of repairs – 4 persons
  
  
• Construction of passages under automobile roads and other obstacles:
  - control of passage in plan and profile along with the adjustment of direction in the process of boring
  - maximal passage diameter – 500 mm
  - average puncture length – 200-300 m
  - quantity of persons required for performance of repairs – 4 persons

SPECIFICATIONS OF MNB-125 EQUIPMENT SET:

	PARAMETERS	SPECIFICATIONS
1	Overall dimensions of power unit in a duct, mm	Length: 3300 Width: 1200 Height: 657 (1900 with an operator’s chair)
2	Hydraulic plant: “HONDA GX670” motor	Power 35.4 kW
3	Hydraulic cylinder: Nominal working pressure	200 kg/cm3
4	Pump: Capacity	120 l/min
5	Hydraulic tank: -capacity - mass	230 l + 100 l 1050 kg
6	Control unit Location system	RD – 385 L
7	Working interval of temperatures: min – max	-20ºС ... +40ºС
8	Traction force: - of puncture - of pulling	100.0 t 125.0 t
9	Boring parameters: - puncture length - reinstallation length - max channel diameter	by 250 m by 300 m 600 mm
10	Total weight of the basic set of equipment	3.8 t