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ISO/WD 3722.3

Hydraulic fluid power — Fluid sample containers — Qualifying and controlling cleaning methods

General information

Current stage: 20.20 Effective date: Jan 6, 2026

Originator: ISO

Owner: ISO/TC 131/SC 6

Type: International Standard

Scope

Specifies a method, and establishes a means for ensuring that the accuracy of particulate contamination analyses in hydraulic systems is not degraded by a lack of sample container cleanliness. Gives definitions and tabulates the inspection ratios together with the AQQL values of concern.

Life cycle

PREVIOUSLY

PUBLISHED
ISO 3722:1976

NOW

PROJECT
ISO/WD 3722.3
20.20 Working draft (WD) study initiated
Jan 6, 2026