Effects of Liquid Viscosity on Rotodynamic (Centrifugal and Vertical) Pump Performance (ANSI/HI 9.6.7)
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Top > Hardcopy Standards > Centrifugal/Vertical General Guidelines > Effects of Liquid Viscosity on Rotodynamic (Centrifugal and Vertical) Pump Performance (ANSI/HI 9.6.7) |
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Effects of Liquid Viscosity on Rotodynamic (Centrifugal and Vertical) Pump Performance (ANSI/HI 9.6.7)Pages: 44 ANSI/HI: 9.6.7 ISBN: 1-935762-04-1 Order Code: B131 Publication Date: 2010 Table of Contents: View in PDF format
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Effects of Liquid Viscosity on Rotodynamic (Centrifugal and Vertical) Pump Performance (ANSI/HI 9.6.7)
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Handling viscous liquids? Predict the change in performance for your rotodynamic pumps!
- This standard, which was revised extensively in 2004, has been updated to provide better results and be easier to use for those involved with pumping liquids having a higher viscosity than water
- The standard applies to single and multistage rotodynamic (centrifugal and vertical) pumps having radial impellers ns = 60, (Ns = 3000), handling liquids exhibiting Newtonian behavior, and a kinematic viscosity greater than 1 and less than 4000 centistokes.
- Major improvements of the 2010 version of the standard compared to the 2004 version
- The mathematics have been refined to provide better results throughout
- The upper limit of the flow range has been increased to 410 m3/h (1800 gpm). Statements have been added that discuss the difference between the limits of this document and the limits of the widely circulated pre-2004 viscosity correction standard
- The figures showing pump characteristics when pumping viscous liquids have been clarified for improved accuracy
- A number of minor editorial changes have been made to make this document easier to read and provide an increase in educational content
- New test data that has recently been made available to the committee had been used to confirm the empirical relationships and to justify the extension of the flow limits
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