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ISO 8426-1:2025

Hydraulic fluid power — Determination of derived displacement of positive displacement pumps and motors — Part 1: Two-step Toet method

General information

Valid from 14.08.2025
Directives or regulations
None

Standard history

Status
Date
Type
Name
14.08.2025
Main
22.01.2008
Main
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.

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