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Status : Active
Standard Type : Main
Document No : ISO 8426-1:2025
Document Year : 2025
Pages : 16
Edition : 1
Section Volume : Product testing (ISO/TC 131/SC 8.)
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.