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Blogs, Technical | March 21, 2022

Reliability Basics: Understanding NPSH, POR, and AOR

...by pump design. These guidelines will help ensure pumps achieve the best possible balance of efficiency and reliability. The are: ANSI/HI 9.6.1 Rotodynamic Pumps—Guideline for NPSH Margin and ANSI/HI 9.6.3...

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Blogs | December 7, 2022

The Basics of NPSH & Pump Operating Regions

...NPSH margin required for pumps by market used design and the POR for pumps of different designs. ANSI/HI 9.6.1-2017 Rotodynamic Pumps – Guideline for NPSH Margin ANSI/HI 9.6.3- 2017 Rotodynamic...

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June 19, 2023

Vibration Data Collection

About the Vibration Data Survey The Hydraulic Institute is initiating action to produce the next edition of the standard ANSI/HI 9.6.4, Rotodynamic Pumps for Vibration Measurement & Allowable Values. In...

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August 19, 2021

Members

...suction, foot mntd ANSI B73.1 compliant Centrifugal Pumps: Single stage, end suction, foot mntd ISO 2858/5199 compliant Centrifugal Pumps: Single stage, end suction, foot mntd, non-metal, ANSI B73.5 Centrifugal Pumps:...

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July 22, 2022

VITraining

Standards Rotodynamic Pumps for Vibration Measurements andAllowable Values (ANSI/HI 9.6.4) Rotodynamic Pumps Guidelines for Condition Monitoring (ANSI/HI 9.6.5) Rotodynamic Pumps – Guideline for Dynamics of Pumping Machinery (ANSI/HI 9.6.8) Rotodynamic...

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Blogs, Technical | September 13, 2022

A Guide to Pump System Assessment

...considered and optimized for new installations. Suction piping is of utmost importance to ensure pump reliability. Make sure that installations are in compliance with industry standards ANSI/HI 9.6.6 Rotodynamic Pumps...

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January 18, 2022

What We Do

...HI is an approved Standards Development Organization by the American National Standards Institute (ANSI), publishing more than 30 National Standards (ANSI/HI) covering pump and system nomenclature, definitions, design, application, installation,...

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