CENTKLFUGAL PUMPS 



661 



600 700 800 800 1000 1100 



FIG. 325. Characteristic Curves for Single Low-Lift Centrifugal Pump with 



Recurved Vanes. 



. FT. rut SEC. 



Fio. 320. Characteristic Curves from 4-Stage Quadruple High-Lift Pump with 



Radial Vanes. 



