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If we were to compare the Centrifugal horizontal multi stage pump to a high pressure duty pump – the Centrifugal horizontal multi stage pump even though it is more complex and costly, it would probably be a better hydraulic fit, have a better efficiency and be more reliable. With its hydraulic modules, the ability to supply additional impellers and its ability to trim those impellers, the duty point can me met exactly without compromise. The selection is more likely to be close to ‘AMOS’ and will run efficiently and reliably.

Horizontal Multi stage pumps can be configured to have an interstage bleed off if there are multiple duty points required. It may be possible to run a multistage pump at a lower speed than a single stage centrifugal pump which may offer an efficiency advantage but it will certainly run much quieter which is an important consideration in today’s world. A 3 dBA increase represents a doubling of sound as the sound scale is logarithmic.