DS/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)

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This document describes a methodology to evaluate energy efficiency performance of pump units based on a non-dimensional numerical value called Energy Efficiency Index (EEI).

This document covers pump units consisting of:

- one single or several rotodynamic water pump(s), including where integrated in other products, and driven by a motor system, consisting of an electrical motor, and either:

- a terminal box which only enables to operate the pump unit at constant motor stator frequency and thereby (nearly) constant rotational speed, or

- a CDM (Complete Drive Module) which enables to operate the pump unit at variable rotational speed depending on a varying demand of flow rate and/or discharge or differential pressure.

NOTE – A CDM is also often called VSD (Variable Speed Drive).

Pump units as defined above are treated as extended products in respect to their energy efficiency.

Number of pages: 36

Published: 2019-05-14

Date of approval: 2019-05-13

International relationships : EN 17038-1:2019 IDT

ICS: 23.080 - Pumps

Item number: M310548



  • CEN/TC 197
  • CEN/TC 197/SC 3/WG 1

Danish committee