Radial versus Diagonal Diffusion in Multi-Stage Pumps

radialanddiagonaldiffusion
Radial and Diagonal Diffusion

Although crossover design has only a secondary effect on pump efficiency, it too should use every available trick to achieve the best possible results.

This picture (left and below) shows short and long configurations of the two basic types of crossovers normally used on multi-stage pumps. Both have been tested by the West Coast pump companies and the results of these tests indicate that the radial diffusion type is approximately one point more efficient than the diagonal diffusion type. Here’s why: Continue reading “Radial versus Diagonal Diffusion in Multi-Stage Pumps”

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