Centrifugal Pumps; (HS: 8413); (ICS: 27.010)

National Standard of the P.R.C., Minimum Allowable Values of the Energy Efficiency and Energy Efficiency Grades for Centrifugal Pumps (14 page(s), in Chinese)

This standard specifies the energy efficiency grades, minimum allowable values of energy efficiency, testing methods and calculation methods for centrifugal pumps for fresh water and petrochemical centrifugal pumps.

This standard applies to single-stage single-suction centrifugal pumps for freshwater, single-stage double-suction centrifugal pumps for freshwater, multistage centrifugal pumps for freshwater, as well as single-stage single-suction petrochemical centrifugal pumps and single-stage double-suction petrochemical centrifugal pumps with closed (largest) impeller for transporting clean liquid.