High depth dredging


Courtesy of Dragflow S.r.l.

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.

Dragflow can face this challenge, answering to every customers requests, due to a decennial experience in this field and combined with a never ending R&D. An effort that made Dragflow a leader in the deep sea exploration and high depth dredging.

Dragflow can now produce not only dredging pumps but also hydraulic excavators for high working depth, complete of pressure compensator and tailor made Dragflow hydraulic power-pack.

With a strongly tailor made customization, Dragflow is ready to answer to every customers requests, challenging the technical limits and reaching your goals.

Case histories:

Reference: SAIPEM

Location: Baku, Azerbaijan
Working context: Remove sand and silt around the platform jacket
Description: Off shore platform, deep sea and high depth dredging. Working depth: 120m
Project: Hydraulic dredging pump HY35, with pressure compensator, coupled with n.2 hydraulic cutters EXHY20 and driven through a Dragflow hydraulic power pack based on diesel engine.


Location: Sicilia - Italy
Working context: Remove sand and silt
Description: ENI Project: High depth dredging project Diga Dirillo, Sicilia, Italy


  • easy assembling by pins
  • quick power pack start-up by oil hoses fast connections
  • HY300 dredging pump coupled with EXHY35 excavators
  • moving by winches (propeller on request)
  • 40 m dredging depth
  • fuel consumption: 80 litres per hour
  • delivery distance 800-900 m
  • solid production: 300 m3/h
  • task performed in 4 months.

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