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HI ANSI/HI 7.1-7.5 : 2023

Controlled-Volume Metering Pumps for Nomenclature, Definition, Application and Operation

Standard Details

This is a revision of the 2017 edition of the standard. This standard defines the nomenclature, design and application considerations in choosing the right pump for a specific industry use as well as pump operating and maintenance procedures.

Controlled-volume metering pumps are typically used for injecting chemical additives, proportional blending of multiple components, or the metered transfer of a single liquid in application requiring high accuracy, repeatability and adjustable rate of flow. Markets include: water treatment plants, chemical processing, pharmaceuticals, semiconductors. Pump end users, specifying engineers, and consultants serving these industries will benefit from using this standard to select the right controlled-volume metering pumps for an application to get the best performance.

This standard supersedes the ANSI/HI 7.1-7.5-2017 edition. Updates in the new edition include:

•New troubleshooting table

•Updated definitions to align with ANSI/HI 7.8 Controlled-Volume Metering Pumps Piping Guideline and ANSI/HI 10.1-10.5 Air Operated Pumps

•Updated terminology of NPIPA and NPSHR

General Information

Status : ACTIVE
Standard Type: Main
Document No: HI ANSI/HI 7.1-7.5 : 2023
Document Year: 2023

Life Cycle

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HI ANSI/HI 7.1-7.5 : 2023
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