Historical
ISO 4409:2007
Hydraulic fluid power - Positive-displacement pumps, motors and integral transmissions - Methods of testing and presenting basic steady state performance
ISO 4409:2007 specifies methods for determining the performance and efficiency of hydraulic fluid power positive displacement pumps, motors and integral transmissions. It applies to components having continuously rotating shafts.
ISO 4409:2007 specifies the requirements for test installations, test procedures under steady-state conditions and the presentation of test results.
International Organization for Standardization [iso]