Design of High Speed and High Head End Suction Pump
Shripad Natu1, Narendra Chhapkhane2, Ravindra Birajdar3
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Now a day due to vast change in industrial trend, pumping applications are switching over to high head requirements. At the same time industry demands for pump with simple construction, easy for maintenance with lowest possible price. For such applications multistage pump is the only conventional available option which has its own limitations like difficulties in maintenance, lesser efficiencies, more number of parts etc. However end suction pumps are easier for maintenance on account of its construction, are having comparatively higher efficiencies because of lower flow disturbances and are having less number of parts. If an end suction pump is forced to operate at higher speed, (2900 rpm and above) then the conventional end suction pumps can generate higher heads. The high speed end suction pumps will prove as a good replacement of medium pressure multistage pump.