This is the most powerful 4 inch ROV and Diver operated dredge on the world market. Removal rates differ from those mentioned in the video due to a recent increase in our dredge performance.
Rates are based on actual material moved using iron sand and rocks weighing 2.375kg per liter.
17 to 22 cubic meters per hour
10 to 12% solids by volume
41 to 51 ton per hour

For more information please visit www.vortexdredge.com