Pump specifications detail a pump's capacity, power, and construction, including flow rate (volume per unit of time), head (vertical height the pump can lift water), power (in HP or kW), voltage and frequency for the motor, inlet and outlet sizes, and materials of construction. Other important specifications are Net Positive Suction Head (NPSH), noise level, and pump efficiency. These details, standardized by organizations like ISO, ensure the pump meets the specific requirements of an application