Pump Efficiency: centrifugal_end_suction
Centrifugal and positive displacement pump efficiency data — BEP efficiency, head, specific speed, and impeller type by pump classification and flow rate
| pump type | flow gpm | description | efficiency pct (%) | head ft (ft) | hp range | impeller type | notes | specific speed ns (dimensionless) |
|---|---|---|---|---|---|---|---|---|
| centrifugal_end_suction | 50 | Single-stage end suction centrifugal pump | 48 | 80 | 1-3 | radial | 3550 RPM close-coupled. Small impeller clearance losses suppress efficiency. | 1,000 |
| centrifugal_end_suction | 100 | Single-stage end suction centrifugal pump | 58 | 100 | 3-5 | radial | 3550 RPM close-coupled or frame-mounted. | 1,200 |
| centrifugal_end_suction | 200 | Single-stage end suction centrifugal pump | 65 | 120 | 5-10 | radial | 1750 RPM frame-mounted. ANSI B73.1 process pump. | 1,500 |
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