ISO/WD 4021.2

Hydraulic fluid power — Particulate contamination analysis — Extraction of fluid samples from lines of an operating system

General information

Current stage: 20.20 Effective date: Jul 25, 2024

Originator: ISO

Owner: ISO/TC 131/SC 6

Type: International Standard

Scope

The preferred method is to extract fluid samples from a main flowline in such a manner that the particulate contaminant in the sample is representative of the fluid flowing at the point of sampling. An alternative method is to extract a sample from the reservoir, but this method should only be used if a suitable sampler is not fitted.

Life cycle

PREVIOUSLY

Revises
ISO 4021:1992

NOW

IN_DEVELOPMENT
ISO/WD 4021.2
20.20 Working draft (WD) study initiated
Jul 25, 2024

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