International Standard
ISO 8426-1:2025
Hydraulic fluid power — Determination of derived displacement of positive displacement pumps and motors — Part 1: Two-step Toet method
Reference number
ISO 8426-1:2025
Edition 1
2025-08
© ISO 2026
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Published (Edition 1, 2025)

ISO 8426-1:2025

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Abstract

This document specifies the two-step Toet method for the determination of the derived displacement of hydraulic fluid power positive displacement pumps and motors under steady-state conditions. A value for the derived displacement is determined from measurements at multiple shaft speeds.

General information

  • Status
     : Published
    Publication date
     : 2025-08
    Stage
    : International Standard published [60.60]
  • Edition
     : 1
    Number of pages
     : 16
  • Technical Committee :
    ISO/TC 131/SC 8
    ICS :
    23.100.10 
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Life cycle

Sustainable Development Goals

This standard contributes to the following Sustainable Development Goal

9
Industry, Innovation and Infrastructure

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  4. ICS
  5. 23
  6. 23.100
  7. 23.100.10
  8. ISO 8426-1:2025