![]() ![]() ![]() ![]() ![]() Each dredge component must form an integral part of the complete unit, with the pumps/s, suction velocity, and recovery plant designed as a whole, to form a complete and efficient unit suited to the deposit, operating conditions, and production level required to achieve viable economic operation. The basic concept of a suction dredge is to lift mineral bearing gravel from a river bed, pass it through a recovery system, and then return the waste gravel back to the river in as short a distance as possible. Virtually any river anywhere in the world can have access difficulties, and therefore the portability of suction dredges offer additional advantages (especially in Guatemala and particularly after major storms or hurricane events). Additionally, suction dredges may be the only suitable means of mining where access is not possible for an excavator, or when regulations prohibit the use of heavy earth-moving equipment in environmentally sensitive areas. These dredges may also be employed very effectively to work in conjunction with excavator-fed floating trammel plants. Suction dredges are preferable for both sampling and for mining selectively on a small-scale. For larger operations, bulk mining in the lower reaches of rivers utilizes bucket dredges and suction-cutter dredges. And in recent years it has been proven that with the application of modern mining concepts, techniques and technology, rivers remain a valuable source of minerals! Modern methods of extracting minerals from rivers use diver-controlled suction dredges and excavator-fed floating trammel plants for mining in smaller-scale situations, along with shaking tables for further refinement and extraction. We offer many sizes and styles to choose from and maintain a good supply of various size hose clamps and couplings.Historically, rivers have yielded great quantities of gold, along with lesser amounts of tin and gemstones. We stock suction hoses for dredging, pressure hoses for powering dredges, and layflat hoses for highbanking use. ![]()
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