NF E44-406-2*NF EN 17038-2:2019 Pumps - Methods of qualification and verification of the energy efficiency index for rotodynamic pump units - Part 2 : testing and calculation of energy efficiency index (EEI) of single pump units
2019NF E44-406-2*NF EN 17038-2:2019 Pumps - Methods of qualification and verification of the energy efficiency index for rotodynamic pump units - Part 2 : testing and calculation of energy efficiency index (EEI) of single pump units