タイトルまたは説明

ELCO ST-LUBE AS & AG are pumped continuously to the wire brush tail seals during advance of the machine. The material is injected between the rows of brushes to provide a perfect seal against water, slurry and grout, ensuring a highly effective tail seal during TBM advance.



ELCO ST-LUBE HS & HG used for the first packing of the brushes, took advantage of the same sustainable development evolution.