Page 57 - Centrifugal Pumps Design and Application

40 Centrifugal Pumps: Design and Application

MIN. SHROUD
MIN. VANE THICKNESS
IMP.DIA THICKNESS
O.D. MIDDLE INLET
t, t 2
> 6-11 7/32 5/16 1/8 1/8 3/16
> 11-15 1/4 3/8 3/16 5/32 5/16

> 15-19 9/32 7/16 3/16 3/16 3/8

> 19-23 5/16 1/2 1/4 7/32 7/16
> 23-31 11/32 9/16 1/4 1/4 9/16

> 31-35 3/8 5/8 5/16 5/16 5/8
> 35-39 7/16 11/16 5./16 3/8 11/16

> 39-50 1/2 3/4 3/8 7/16 3/4
Figure 3-11. Recommended minimum impeller vane and shroud thickness for
castability (standard cast materials).