Definitions. Characteristic quantities
Volumetric pumps for fluids

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Definitions. Characteristic quantities


Volumetric pumps for fluids

Authors : Bernard de CHARGÈRES, Robert REY

Publication date: July 10, 2009 | Lire en français

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1. Definitions. Characteristic quantities

  • Reference plane: plane from which the various heights are measured, whether geometric, manometric, practical, suction, load, discharge, etc., as well as the NPSH.

    In the case of a horizontal axis pump (figure 1 a ), the reference plane is the horizontal plane passing through the axis of rotation. In the case of a pump with a vertical axis (figure 1 b ), the reference plane is the horizontal plane passing through the highest point of the active parts.

  • Geometric suction height h a (figure

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