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ISO 4409:2019

Hydraulic fluid power — Positive-displacement pumps, motors and integral transmissions — Methods of testing and presenting basic steady state performance

Jul 11, 2019

General information

90.93     Jun 2, 2025

ISO

ISO/TC 131/SC 8

International Standard

23.100.10  

English   French  

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Published

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Scope

This document specifies methods for determining the performance and efficiency of hydraulic fluid power positive displacement pumps, motors and integral transmissions. It applies to components having continuously rotating shafts.
This document specifies the requirements for test installations, test procedures under steady-state conditions and the presentation of test results.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 4409:2007

NOW

PUBLISHED
ISO 4409:2019
90.93 Standard confirmed
Jun 2, 2025

REVISED BY

IN_DEVELOPMENT
ISO/PWI 4409