Item #: CD-ROM 4.1U
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ANSI/HI Pump Standards Version 4.1 Upgrade (download)

*Only for users who own ANSI/HI Pump Standard Version 4.0.  Version 3.2 users who wish to upgrade must first purchase and install the Version 4.0 upgrade and then apply the 4.1 upgrade.  Users of earlier versions should contact for assistance.


Update your library with the NEW version 4.1 standards set that includes five new updates from the 4.0 version, which were approved in 2017 and 2018, including updates to the following internationally used and recognized standards:

  • ANSI/HI 9.8 Rotodynamic Pumps for Pump Intake Design,
  • ANSI/HI 11.6 Rotodynamic Submersible Pumps for Hydraulic Performance, Hydrostatic Pressure, Mechanical, and Electrical Acceptance Tests,
  • ANSI/HI 4.1-4.6 Sealless, Magnetically Driven Rotary Pumps for Nomenclature, Definitions, Application, Operation, and Tests,
  • ANSI/HI 7.1-7.5 Controlled Volume Metering Pumps for Nomenclature, Definitions, Application, and Operation, and
  • ANSI/HI 7.6 Controlled Volume Metering Pumps for Test

In addition to the version 4.1 update, the release of version 4.0 included 15 updated or new documents listed below:

  • 3.1-3.5 Rotary Pumps for Nomenclature, Definitions, Application and Operation – 2015
  • 3.6 Rotary Pump Tests – 2016
  • 5.1-5.6 Sealless Rotodynamic Pumps for Nomenclature, Definitions, Application, Operation, and Test – 2016
  • 7.8 Controlled-Volume Metering Pump Piping Guideline - 2016 
  • 9.6.1 Rotodynamic Pumps Guideline for NPSH Margin – 2017
  • 9.6.2 Rotodynamic Pumps for Assessment of Applied Nozzle Loads – 2015
  • 9.6.3 Rotodynamic (Centrifugal and Vertical) Pumps - Guideline for Allowable Operating Region – 2017
  • 9.6.4 Rotodynamic Pumps for Vibration Measurement and Allowable Values – 2016
  • 9.6.5 Rotodynamic (Centrifugal and Vertical) Pumps Guideline for Condition Monitoring – 2016
  • 9.6.6 Rotodynamic Pumps for Pump Piping – 2016
  • 9.6.7 Effects of Liquid Viscosity on Rotodynamic (Centrifugal and Vertical) Pump Performance – 2015
  • 10.1-10.5 Air-Operated Pumps for Nomenclature, Definitions, Application and Operation – 2016
  • 10.6 Air-Operated Pump Tests – 2016
  • 11.6 Rotodynamic Submersible Pumps: for Hydraulic Performance, Hydrostatic Pressure, Mechanical and Electrical Acceptance Tests - 2017
  • 12.1-12.6 Rotodynamic (Centrifugal) Slurry Pumps for Nomenclature, Definitions, Applications, and Operation – 2016
  • 14.6 Rotodynamic Pumps for Hydraulic Performance Acceptance Tests – 2016
  • 20.3 Rotodynamic (Centrifugal and Vertical) Pump Efficiency Prediction – 2015
  • 40.5 Enegy Rating Program Guide - 2016
  • HI 40.6 Methods for Rotodynamic Pump Efficiency Testing - 2016
  • Master Index

A total of 37 American National Standards and Hydraulic Institute Standards and Guidelines are included in this comprehensive set of pump standards (Version 4.1) as listed.

Note: This electronic version of the standards and guidelines, available as an immediate download, allows a user to easily navigate directly to the section of reference.  The standards and guidelines included in electronic format are a single-user version and are encrypted for security. The computer on which the set is installed must have access to the internet during the one-time installation and authorization process.  Please note that our return policy does not allow for the return of electronic content.

ANSI/HI Pump Standards sre in secure PDF format. Each standard is authorized to a single login and password on a single desktop and optional laptop computer. The end-user license prohibits installation of these files on a network server or their shared use in an network environment. These files may be transferred from an old computer to a new computer by following the instructions provided at For assistance contact HI Technical Support at

To view HI Standards in this format requires the download of the free Adobe® Reader®. Authorization requires download of an Adobe-approved plug-in from FileOpen Systems, Inc. and Internet access to complete the authorization process. Security permissions of these files allow printing and the addition of comments. Once authorized these files may be accessed with or without connection to the Internet.


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