dredging cutter Articles

  • Case study - sand dredging

    Location: Poland Year: 2010 Sand dredging - Hydraulic submersible pump HY85 coupled with cutters EXHY20 and handled through the hydraulic circuit of the earth-moving ...


    By Dragflow S.r.l.

  • Case study - dam dredging

    Location: Italia - Sicilia Year: 2008 Dam cleaning Dragflow HY85 with cutters driven by an hydraulic ...


    By Dragflow S.r.l.

  • Case study - dam dredging

    Location: Italia - Sicilia Year: 2008 Dam cleaning Dragflow HY85 with cutters driven by an hydraulic ...


    By Dragflow North America

  • Case study - harbor dredging

    Location: Mexico Year: 2011 Working contest Harbor dredging in Mexico The Problem Pumping heavy slurry with high concentration of solid in order to speed up dredging operation. Start to work 3 weeks after first contact with Dragflow. Our solution Dragflow ...


    By Dragflow North America

  • Case study - sand dredging

    Location: Poland Year: 2010 Sand dredging - Hydraulic submersible pump HY85 coupled with cutters EXHY20 and handled through the hydraulic circuit of the earth-moving ...


    By Dragflow North America

  • Case study - channel dredging

    Location: Germany Year: 2010 Working Context description The working site is a channel situated in eastern Germany. Deposits of sand, lime and gravel has considerably lowered the water depth of the channel. The problem Fast dredging was required in order to re-open the channel to navigation. The customer already ...


    By Dragflow S.r.l.

  • Case study - channel dredging

    Location: Germany Year: 2010 Working Context description The working site is a channel situated in eastern Germany. Deposits of sand, lime and gravel has considerably lowered the water depth of the channel. The problem Fast dredging was required in order to re-open the channel to navigation. The ...


    By Dragflow North America

  • Case study - dredge with ladder

    Location: Ukraina Year: 2010 Dredge with ladder DRS085/160E22EF Dragflow pump HY85/160B with cutters EXHY20 and High Pressure Water Jet-Ring Hydraulic power pack electric driven with complete control board in the operator cabin Dredging depth about 10m Discharge distance up to 700m ...


    By Dragflow North America

  • Case study - harbor dredging

    Location: Mexico Year: 2011 Working contest Harbor dredging in Mexico The Problem Pumping heavy slurry with high concentration of solid in order to speed up dredging operation. Start to work 3 weeks after first contact with Dragflow. Our solution Dragflow HY85/160HC with cutters to ...


    By Dragflow S.r.l.

  • Case study - dredge with ladder

    Location: Ukraina Year: 2010 Dredge with ladder DRS085/160E22EF Dragflow pump HY85/160B with cutters EXHY20 and High Pressure Water Jet-Ring Hydraulic power pack electric driven with complete control board in the operator cabin Dredging depth about 10m Discharge distance up to 700m ...


    By Dragflow S.r.l.

  • Dredging Short Courses

    By Eric Lillberg, SRS Crisafulli Senior Applications Engineer When I first started as an applications engineer for SRS Crisafulli, I searched for information on the subject of dredging. I was surprised to find there was very little non-commercial content available. I have since found a pair of short courses, offered annually by Texas ...


    By SRS Crisafulli, Inc.

  • High depth dredging

    In the dredging market, there is a new emerging trend: deep sea and high depth dredging and exploration. Deep sea exploration represents both a development possibility, and a huge technical challenge, where critical hyperbaric conditions, remote control and maintenance amends play an important role. ...


    By Dragflow S.r.l.

  • Case study - mine pond dredging

    Location: Indonesia Year: 2006 Working Context description The mine where Dragflow dredger is working is one of the biggest gold and copper mine in the world located in the province of Papua in Indonesia  near Puncak Jaya, the highest mountain in Papua. The problem The customer was looking for ...


    By Dragflow North America

  • Case study - mine pond dredging

    Location: Indonesia Year: 2006 Working Context description The mine where Dragflow dredger is working is one of the biggest gold and copper mine in the world located in the province of Papua in Indonesia  near Puncak Jaya, the highest mountain in Papua. The problem The customer was looking for a complete ...


    By Dragflow S.r.l.

  • Case study - mine tailings dredging

    Location: Indonesia Year: 2011 Working context Mine collection pond dredging The problem Increase the mine pond capacity. The customer, who already had an excavator, had to increase the mine pond capacity removing the sand. Customer was looking for a dredging solution which was able to modify the flow during ...


    By Dragflow S.r.l.

  • Kerr-McGee dredging case study

    Application:Clean and dredge paint pigment residuals Dredge Used: LWT 7MAU Series Pit Hog™ Dredge Project Summary: Electric manned automated dredge with 3 Krebs cyclones with a capacity of 2,100 gpm, magnetic flow meter to monitor pump performance, slurry density meter to maintain consistent percent solids by varying traverse speed, and ...

  • Case study - mine tailings dredging

    Location: Indonesia Year: 2011 Working context Mine collection pond dredging The problem Increase the mine pond capacity. The customer, who already had an excavator, had to increase the mine pond capacity removing the sand. Customer was looking for a dredging solution which was able to modify the ...


    By Dragflow North America

  • Hydraulic Dredging: A cost effective solution for most dredging tasks

    The vast majority of dredging jobs require removal of solids to depths of 30 feet or less. Several features enable hydraulic dredges to be the solution of choice for these applications. First, what are hydraulic dredges and how do they compare with alternative mechanical dredge types? Hydraulic dredges create slurries, combinations of solids and water, pump the slurries to the ...


    By SRS Crisafulli, Inc.

  • Case study - SAIPEM off shore dredging

    Location: Baku, Azerbaijan Year: 2007 Off shore platform Working context Petroleum fixed steel platforms are used to extract petroleum from the bottom of the sea. The problem Remove sand and silt around the platform jacket. An application for deep sea and high depth dredging. Working depth: ...


    By Dragflow S.r.l.

  • Case study - SAIPEM off shore dredging

    Location: Baku, Azerbaijan Year: 2007 Off shore platform Working context Petroleum fixed steel platforms are used to extract petroleum from the bottom of the sea. The problem Remove sand and silt around the platform jacket. An application for deep sea and high depth ...


    By Dragflow North America

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