![]() We have good knowledge and extensive experience in designing systems which caters for rural areas. Or, if you have more questions or need a new design, get in touch with us and we can help with the design for a new system. If you're looking for a portable 4 inch dredge pump, please see here or visit our YourTube Channel for more videos. It has great versatility and is a must for any gold or alluvial dredging setup. However, for Alluvial diamond gravel recovery in rivers, this pump is mainly used in Angola, Botswana, South Africa, Namibia and other African countries. Areas of useĬountries such as Madagascar, Ghana, Tanzania, DRC Congo, Nome Alaska and other African countries makes use of this pump for gold dredging. It also includes a battery, however, this is only for South Africa and does not support export to other countries.īecause it is such an extremely powerful pump, it is one of the best for both gold mining and diamond gravel recovery. Combine it with a wash plant or a sluice box and get the most out of your system.Complete prime unit with calve control,.All electrical systems, Including Start / Stop and an hour meter,.Complete pump and diesel engine configuration, trailer mounted,.The pump handles materials of up to 60 mm solids, sand, mud, clay, gravel, etc. The average pumped flow rate density is about 30%. The minimum suction length is 10m and max suction is 40 meter, with a discharge distance up to 30 meter, pump head from pump of up to 5m. Priming the pump is quick and takes about 2 minutes. With a pump capacity of 47 c/m/p/h, this pump can dredge through gravel smaller than 30mm in size. ![]() The unit is a complete setup, fitting onto a trailer, making it easier to tow, handle and move around. KSB AG, Frankenthal (D), Tel.The 4 inch mobile dredging unit, which has a powerful air-cooled diesel engine, can dredge both gold or alluvial diamond bearing gravel. Pump installation will take place as from February 2010. In addition, the ship will be equipped with two 160 kW water jet pumps and three high-pressure pumps which supply the gland packings of the large-sized dredge pumps with barrier fluid. The design utilised is submersible and features a high-pressure casing, an impeller and a liner made of a highly wear-resistant white cast iron. Both pump units have a weight of 5 400 kg each and have also been manufactured at GIW in Georgia/USA. The floating dredger disposes of its slurry charge via a discharge pipe of up to 1 500 m using two specialised pumps operating in series they pump the slurry to an on-shore separation plant. It is being built for a customer in the Netherlands. The second ship, neither equipped with a hopper nor its own drive, is a dredger only. The trailing suction hopper dredger has its own drive and can, if needed, be used as a container ship. Several diesel engines take care of the electricity supply to the motors. Each pump unit is equipped with a frequency-controlled motor. During slurry discharge, the water jet pump helps to fluidise the hopper content again so that it can be pumped outboard by the dredge pumps. While the sand-gravel mixture is loosened with the help of powerful water jets, the slurry is transported into the hopper by means of large dredge pumps. The pumps handle slurry withĪ density of up to 1.3 t/m³, dredging almost 2 500 t of solid material per hour from a water depth of up toĮtanorm unit serves as a water jet pump providing the draghead nozzles with high-pressure water during the dredging operation. The casings and impellers are made of highly wear-resistant white cast iron. ![]() The two biggest units have a weight of 5 500 kg each and are designed with three-vane impellers sized 835 mm in diameter. Five pump sets are slurry pumps manufactured by KSB’s ![]() The first ship ordered by a Belgian customer is a so-called trailing suction hopper dredger which will be fitted with six pumps. Two dredgers built at a Dutch shipyard will be equipped with specialised pumps by the KSB Group (Fig.).
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