A 10-inch dredge can excavate about twice the volume of an 8-inch dredge down to around 10-feet of material. Hydro-Force Dry Land Suction Nozzles Keene Power Sluice Concentrators Le Trap Sluice Sluice Boxes Suction Dredges. Ten-inch Pro-Mack dredge operating on New 49’er properties in Northern California. Keene 3 Suction Nozzle for 1.5 Pressure Hose This suction nozzle works with 3 inch suction hose A 1.5 inch pressure hose is easily secured to the nozzle. Portable Gold Prospecting Electric Dredge 2 inch nozzle. Without getting into an explanation of friction loss of your ten foot, one inch diameter pressure hose, you will require 33.5 psi at the pump to provide the 30 psi at the eductor. Goodyear -1.5 Inch Clear Suction Dredge Hose. Here follows a video segment of a typical commercial dredge operating on the Klamath River in Northern California: Commercial Dredge on the Klamath. Save dredge suction nozzle to get e-mail alerts and updates on your eBay Feed. Refer to a conversion chart to find conversion of decimal inched to "regular" inches which is fractionally larger than 1/2".Īt 30 psi the 1/2' eductor will require 41 g.p.m. Ultra Mini Gold Dredge With Suction Nozzle Portable Gold Mining Equipment, You can get more details about from mobile site on m. 264 IMPORTANT: this is the radius of the eductor size - NOT the bore size! Now for the tricky part: convert backwards and finally come up with a bore diameter.Įductor size is. inchesĮxample: 2 inch jet Ģ inch jet = 3.14 x (1" (radius of jet) Squared)ģ.14 sq inches x 7% (.07) =.
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