ISO 4409:2019 PDF

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.

ISO 4409:2019 Referenced Document

ISO 11631 Measurement of fluid flow - Methods of specifying flowmeter performance
ISO 1219-1 Fluid power systems and components — Graphical symbols and circuit diagrams — Part 1: Graphical symbols for conventional use and data-processing applications AMENDMENT 1
ISO 4391 Hydraulic fluid power; Pumps, motors and integral transmissions; Parameter definitions and letter symbols
ISO 5598 Fluid power systems and components — Vocabulary*， 2020-01-06 Update
ISO 9110-1 Hydraulic fluid power — Measurement techniques — Part 1: General measurement principles*， 2020-05-12 Update
ISO 9110-2 Hydraulic fluid power — Measurement techniques — Part 2: Measurement of average steady-state pressure in a closed conduit*， 2020-05-12 Update

2019 ISO 4409:2019 Hydraulic fluid power — Positive-displacement pumps, motors and integral transmissions — Methods of testing and presenting basic steady state performance
2007 ISO 4409:2007 Hydraulic fluid power - Positive-displacement pumps, motors and integral transmissions - Methods of testing and presenting basic steady state performance
1986 ISO 4409:1986 Hydraulic fluid power; Positive displacement pumps, motors and integral transmissions; Determination of steady-state performance