Marlex Jet Flares increase suction power, diffusing material for more equal distribution into the sluice box. The combination of miners moss and expanded metal placed under the first half of the riffle section allows for improved fine gold recovery. A large woven wire mesh classifier screen and black rubber ribbed matting at the entry section of the sluice provides for better classification and instant recognition of values. The reinforced sluice box features rolled top edges and heavy duty latches for long life and durability as well as a long sluice track adjustment for precise tilt positioning. VORTEX removal rates are ACTUAL removal rates as seen with actual material moved using Magnetite black iron sand and rocks weighing 2.375kg per liter as to the sample product.Our 3 inch dredges offer extreme versatility and are ideal for small to mid-sized dredging projects. VORTEX performance figures DO NOT have a small print clause with an Asterix symbol next to figures which would represent "best case Scenario" removal rates as opposed to actual removal rates. Suction does the work and water flow continues the work done. Once the hose is clear then water flow takes over. Powerful, simple, effective.Įxample: Getting a "RIDICULOUSLY THICK MILKSHAKE" ® ™ to move through a straw is similar to dredging a very sticky seabed and suction is key because if you drive a suction hose deep into sticky mud the water flow in the suction hose will often stall and the hose is essentially filled with a 'plug' of mud and only high suction will clear the hose. Vortex dredges have been designed to combine high suction values and high water volumes to tear up sticky soils with very high suction then keep it flowing with high water volume.
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