NHI offers the best solution for underground tunnel excavations and preparations with TBM models suitable for the field conditions of the customers and professional technical support. In addition to EPB (Earth Pressure Balance), Slurry Balance, and Micro models, NHI also provides single and double shield models in hard rocks worldwide.
Diameter in the range 5.78m - 15.1m
Efficient operation under high-pressure
Different cutter structures and cutting tool configurations
More than 135 sets of references