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ISO 4391:1983

Hydraulic fluid power — Pumps, motors and integral transmissions — Parameter definitions and letter symbols ISO 4391:1983

Publication date:   Jun 1, 1983

General information

90.60   Close of review   Sep 3, 2026

ISO

ISO/TC 131/SC 2 Pumps, motors and integral transmissions

International Standard

23.100.10   Pumps and motors

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Scope

Describes and systematically defines the principal technical characteristics, and allots letter symbols to these characteristics, and indicates how they can be more clearly defined by suffixes corresponding to particulate cases. Lists also an analysis of parameter dimensions. Gives examples for the use of symbols with suffix, and includes definition of terms without symbols.

Life cycle

NOW

PUBLISHED
ISO 4391:1983
90.60 Close of review
Sep 3, 2026




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