Water Jetting & Cooling - Akkerman


Akkerman Inc.

The SC‐115 High‐Pressure Jetting Pump provides high velocity jetting through jetting lines in the tunnel. The jetting travels to the cutter face to break down clay and silty spoil, clean the crushing chamber, and clean the cutter face for efficient spoil intake and flow in the slurry lines.

The Water Cooling Tank provides ample supply to cool the MTBM drive and booster pump motors and flushes seals for optimal system operation. The cool water flow also assists with temperature reduction in the tunnel, contributing to guidance system laser clarity. Water from the Water Cooling Tank, through a jacking frame valve, hoses in the tunnel and concludes the MTBM motor. The Water Cooling Tank assembly includes an electric variable speed, variable output, smart tank sensor, and digital readout of output flow.

SC-115 High Pressure Jetting Pump Features:
  • Provides high pressure jetting water to the MTBM cutter face to break down clay and silty spoil, clean the crushing chamber and assist with spoil intake
  • Durable and one‐piece cast iron frame
  • Pump pressure relief valve
  • Manual flow bypass valve to reduce outlet flow
  • Suction inlet to connect to water cooling tank
Water Cooling Tank:
  • Smart tank sensor for automatic fill feature
  • Large capacity to assist in cooling the MTBM main drive motor, booster pump and flushing of seals
  • Universal to all Akkerman MTBM systems

SC‐115 High Pressure Jetting Pump
Water Cooling Tank


High Pressure Jetting Pump

ModelDimensions (L x W x H)WeightMain Pump / Motor
SC-11536.25 x 37.75 x 14.75‐in.1,240 lbs.Max. Input Speed 75 HP

Water Cooling Tank

Dimensions (L x W x H)WeightCapacityMain Pump / Motor
16.84 in. x 5.9 x 6.7‐ft.3,500 lbs.1,685 gal.7.5 HP @ 1,200 rpm
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Mextune / Group S de RL de CV

In recent years we have acquired different spare parts for our Akkerman brand TBMs, which have allowed us to have the equipment ready. We have used our tunnel boring machines in 2 emergency projects recently:

  • Completion of the construction of the El Valle Collector, with reinforced concrete pipe of 2.13 meters inside diameter for the municipality of Tlajomullo de Zuniga Jalisco.
  • Construction of the Jamapa Collector in the municipality of Ecatepec de Morelos (New construction). With 1.22m RCP pipe.

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