Research Article
The Effect of Viscosity on Performance of a Low Specific Speed Centrifugal Pump
Table 1
Main dimensions of the investigated pump.
| Impeller rated diameter (mm) | 200 | Impeller full diameter (mm) | 209 | Impeller outlet width, (mm) | 4.2 | Blade outlet angle, (deg) | 20 | Number of blades | 6 | Number of balance holes | 6 | Shroud thickness at impeller tip (mm) | 3.7 | Volute base circle diameter (mm) | 210 | Suction nozzle diameter (mm) | 50 | Discharge nozzle diameter (mm) | 40 | Impeller suction eye diameter (mm) | 61 | Wear ring radial clearance (mm) | 0.4 | Diameter of balance holes (mm) | 7 | Hub thickness at impeller tip (mm) | 4.1 |
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