This standard specifies the basic requirements, the efficiency, the minimum allowable values of energy efficiency and the target minimum allowable values of energy efficiency of the centrifugal pump for fresh water (hereinafter referred to as "pump").
This standard applies to the single-stage single-suction centrifugal pumps for fresh water, single-stage double-suction centrifugal pumps for fresh water and multi-stage centrifugal pumps for fresh water.
This standard does not apply to other types of pumps.
