![]() Efficiency of WN is 2 or 3 percentage higher than other common pumps. ![]() √ Low Hydraulic loss, High efficiency, Energy Saving Considering the maintenance, wear resistant parts are nearly of the same wear life to reduce maintenance & interchange costs.Material of wet parts is high wear resistant high chrome alloy.By changing the impeller diameter or impeller rotating speed, it can easily change the discharge with the same flow rate.Performance curves descend obviously to make pumps adopt pipeline distance changes.With wide impeller passage, pump can continuously pump gravel or high plastic clay without clogging.Good NPSH can not only guarantee suction but also make deep dredge and high allowable suction density.Impeller uninstall ring at shaft sleeve side also make the impeller uninstallation much easier. Standard four-head trapezoid thread connection between impeller and shaft can transfer powerful torsion and be convenient to uninstall.And special tools are equipped for uninstalling the parts. WN dredge pump is of front uninstallation construction to make uninstall easily and convenient maintenance.√ Easy Uninstallation & Convenient Maintenance The design of double casing the pump working till the volute liner almost worn down and guarantee no leakage when volute liner is worn down. These pumps are equipped with frame and lubrication is force thin oil.WN600 to WN1000 dredge pumps are of double casings, single stage cantilevered centrifugal pumps.Two types of coupling with gear box: frame and pump box. WN200 to WN500 dredge pumps are of single casing, single stage cantilevered horizontal centrifugal pumps.
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