With maximum efficiency a centrifugal pump generally work. Centrifugal pump perform in various way when the pump is run at different condition at different conditions from it’s design conditions. The pump under various conditions to symbol of the behavior such as speed, tests, powers, discharges, heads are usually conducted. If we plot this result of a characteristics of a pump in graph paper we find a curve which is called characteristics curve. About the performance of a pump in it’s installation these curve provide important information. For centrifugal pump one can make various types of characteristics curve such as 1. Constant discharge curve 2. Constant head curves 3. Main characteristics curve 4. Constants efficiency curves 5. Operating characteristics curve 6. ...
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