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Availability: Rental

Vortex 8” Black Hole Dredge

Available for rental, hire and purchase from Ashtead Technology - the Vortex 8” Black Hole Dredge.

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This 8 inch dredge is a fully modular system designed for multiple integration options installing each component on the host ROV using the supplied brackets and frames.This 8 inch dredge has shown under real-world conditions to provide suction performance of 42kpa using the patented vortex venturi.

The vortex 8 inch is very powerful, has no depth limitations and is quick and easy to mobilize and operate.

Diver operated reversal valve which is unique to vortex and allows diver to ‘stall’ or shut down dredge between suck and blow which is an extra safety feature. Reversal valve is environmentally friendly and water operated which removes another hydraulic function from the subsea components.

  • 42kpa (18in/hg) of suction
  • Suction flow of 62m3/hr
  • Solids removal rate of 146t/hr
  • ROV or diver operable
  • Pile cleaning
  • Excavation
  • Drill cutting removal
  • UXO clearance