A New Proposed Return Guide Vane for Compact Multistage Centrifugal Pumps

Figure 1

Two multistage pumps: (a) multistage pump equipped with radial diffuser and RGV, (b) radial diffuser, (c) RGV, (d) multistage pump equipped with bowl-shaped RGV, and (e) bowl-shaped RGV.

(a)

(b)

(c)

(d)

(e)