KSB manual. Excellent resource. Nomenclature Pump Types Selection for Pumping Water Pump Data  Pump Flow Rate Developed Head and Developed Pressure of the Pump  Efficiency and Input Power Speed of Rotation Specific Speed and Impeller Type Pump Characteristic Curves System Data  System Head  Bernoulli’s Equation  Pressure Loss Due to Flow Resistances Head Loss in Straight Pipes Head Loss in Valves and Fittings System Characteristic CurvePump SelectionHydraulic Aspects Mechanical Aspects Motor Selection Determining Motor Power Motors for Seal less Pumps Starting Characteristics Pump Performance and Control Operating Point and much more.