The data points taken off of a manufacturer's pump curve must cover the entire range of flow rate permissible for the specific pump. The number of sets of Flow, Head and Efficiency values are limited to between 3 sets of points (minimum) and 15 sets of points (maximum). Normally, you will need to get this information from a pump catalog. This consists of sets of values of Flow rate (or capacity), Head and Efficiency for a particular pump, for a specific impeller size and speed. The main data needed for running PUMPCALC is the pump performance data. ![]() Pump Head Curve versus Pipe System Head Curve- Operating point Viscosity Corrected Pump Performance - Hydraulic Institute method. Multiple Pump Performance - Series and Parallel Configuration ![]() Single pump performance- Impeller size and speed changes The following are the main features of PUMPCALC: It can be used to predict the performance of one or more centrifugal pumps, at various impeller sizes, speeds and series or parallel configurations. PUMPCALC is a Centrifugal Pump Analysis program.
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