Centrifugal Pump Nameplate and U.S.-to-SI Conversion Ladder

A pump nameplate (500 gpm, 120 ft head, 25 hp, 1785 rpm, 150 psi maximum working pressure) beside a conversion ladder that turns flow, head, shaft power and pressure into 31.5 L/s (113.6 m³/h), 36.6 m, 18.6 kW and 10.3 bar.