污水污物潜水电泵能效限定值及能效等级
Minimum allowable values of energy efficiency and energyefficiency grades for waste submersible motor-pumps
Minimum allowable values of energy efficiency and energyefficiency grades for waste submersible motor-pumps
Minimum allowable values of energy efficiency and energyefficiency grades for petrochemical centrifugal pumps
Submersible pumps for deep well
End-suction centrifugal pumps(rating 1.6 MPa)Designation ,nominal duty point and dimensions
Centrifugal pump-Effeciency
NPSH for centrifugal,mixed flow and axial flow pumps
IB single-stage centrifugal pumps
Light small-size multistage centrifugal pump
Portable small-type single stage centrifugal pumps
inline type centrifugal pump