How to Read an AODD Pump Performance Curve
A performance curve is a screening tool for a stated test configuration. Selection still requires the fluid, suction conditions, viscosity, solids, installation and exact pump materials.
1. Mark the required duty point
Use the required flow on the horizontal axis and the total discharge pressure or head on the vertical axis. Include static elevation, downstream pressure and estimated line losses instead of using outlet pressure alone.
2. Identify the air-pressure curve
Find an air-pressure curve that passes above the duty point with reasonable margin. The pump cannot create liquid discharge pressure above the effective air pressure after system losses. Confirm the manufacturer limits for the exact model.
3. Read air consumption
Use the air-consumption lines at the duty point to estimate compressor demand. Allow for other air users, pressure loss, air treatment and the operating schedule rather than sizing the compressor to a catalogue value alone.
4. Apply correction and verification
Viscosity, suction lift, entrained gas, solids, pulsation control and piping can reduce delivered flow. Treat the curve as a reference for the stated test liquid and confirm the chosen model against the complete duty before purchase.
Source basis and limits
This guide is based on general AODD operating principles and the DELEEMA selection workflow. Model-specific performance, materials, dimensions and limits must be checked against the applicable model data and the configuration confirmed in writing.
Last reviewed: 2026-11-05 · DELEEMA technical team
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Use flow, discharge pressure and air-consumption curves to screen an AODD pump at the real duty point.
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