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Horizontal Directional Drilling (HDD) Equipment

Ц Performing works on pipe laying by the HDD method
Development and introduction of energy saving technologies

The test of the machine UGNB-3M4 with a reamer of 600mm in diameter, June, 2011

    22 June, 2011 the NPK Gidrofob RSM probed Horizontal Directional Drilling Machine UGNB-3M4 enlarging the pilot hole up to 600mm in diameter.
    The hole drilling was performed step-by-step:
    - Pilot hole drilling;
    - Enlargement up to 250mm;
    - Enlargement up to 350mm;
    - Final enlargement up to 600mm.
    To load the machine UGNB-3M4 more, enlargement up to 450mm was skipped. However, the machine enlarged the hole up to 600mm in normal mode.
    Finally, the hole 30m length and 600mm in diameter was drilled for 5 hours.

Video UGNB-3M4 test

(c) Gidrofob 2010