rock pipe jacking machine, microtunnel machine, microtunneling machine, microtunnel boring machine
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Detailed Product Description
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We are pipe jacking machine manufacture from China, and we can
produce more than 300 sets of Please feel free to contact me Alice Cai 0086-18752825001 alicemachine at foxmail.com
●Designed for gravel and rock(up to 150 Mpa). ●Driven by inner gear, big driving toque, no axis. ●Direct access to the tunnel face for maintenance and repair work . ●Through cutterhead rotation,stones or obstructions entering the crusher cone are crushed to a conveyable grain size. ●Bentonite injected into the annular gap reduces friction between the extrados of the pipe and surrounding soil.
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