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Glossary · Pumps & performance
ANSI 9.6.7
American National Standard for Rotodynamic Pumps – Guidelines for Effects of Liquid Viscosity on Performance.
This guideline can be applied in calculations by ticking the checkbox in the calculation options dialog box under the global settings tab. It would automatically adjust water-based centrifugal pump performance curves when pumping Newtonian liquids with kinematic viscosities of 4.3 cSt or higher to account for viscosity effects.
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