NF E44-406-1*NF EN 17038-1:2019 Pumps - Methods of qualification and verification of the Energy Efficiency Index for rotodynamic pump units - Part 1 : general requirements and procedures for testing and calculation of Energy Efficiency Index (EEI)
2019NF E44-406-1*NF EN 17038-1:2019 Pumps - Methods of qualification and verification of the Energy Efficiency Index for rotodynamic pump units - Part 1 : general requirements and procedures for testing and calculation of Energy Efficiency Index (EEI)