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2 inch dredge with suction nozzle2/19/2024 For shallow water dredging operations, a suction nozzle is recommended in most cases. Power Jets tend to lose prime to the pump easier than suction nozzles. Model 2004PJF = 2” with jet flare = FREE SHIPPINGįor shallow water dredging, a suction nozzle is recommended. Model 2004PSNF = 2” with suction nozzle = FREE SHIPPING Due to the impressive power of this new engine and pump, it can be used to power a 4 inch submersible or a 2 1/2 inch gold dredge. For extremely shallow water conditions, a suction nozzle is recommended. The power jet is ideal for most deep water conditions and provides the most suction power. The model 2004 backpack dredge comes equipped with a power jet or optional suction nozzle. Keene also provides an aluminum frame with grey marlex pontoons. The sluice box has been engineered for fine gold recovery and easy clean up. The Honda engine doubles the power of the previous models and is much quieter and smoother, produces an unbelievable 100 gallons per minute, and up to 160 feet of head pressure. 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.The Keene backpack dredges are equipped with a lightweight BUT heavy-duty 2.5hp Honda 4 cycle engine. 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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