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.
Foreword I
1 Scope
2 Normative References
3 Terms and Definitions
4 Basic Requirements
5 Pump Efficiency
6 The Minimum Allowable Values of Energy Efficiency for Pumps
7 The Target Minimum Allowable Values of Energy Efficiency for Pumps
8 The Evaluating Values of Energy Conservation for Pumps
Appendix A (Informative) Illustrations of Calculation Methods for the Minimum Allowable Values of Energy Efficiency and Evaluating Values of Energy Conservation for Pumps
Appendix B (Informative) Illustration of Calculation Methods for the Target Minimum Allowable Values of Energy Efficiency for Pumps