ISO/CD 9461

Hydraulic fluid power — Identification of valve ports, subplates, control devices and solenoids

General information

Current stage: 30.20 Effective date: Jun 9, 2026

Originator: ISO

Owner: ISO/TC 131/SC 5

Type: International Standard

Scope

Specifies rules for the identification. Applies in particular to valves which will be developed in future with two and three ports, where today's practice of marking valve ports is different. The identification rules apply to those ports which provide the connection between two valves or between a valve and a pipe.

Life cycle

PREVIOUSLY

PUBLISHED
ISO 9461:1992

NOW

IN_DEVELOPMENT
ISO/CD 9461
30.20 CD study/ballot initiated
Jun 9, 2026

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