ISO 5884:2018 PDF

Name: ISO 5884:2018 — Aerospace series — Fluid systems and components — Methods for system sampling and measuring the solid particle contamination in hydraulic fluids
SKU: ISO 5884:2018
Price: 25 EUR
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Aerospace series — Fluid systems and components — Methods for system sampling and measuring the solid particle contamination in hydraulic fluids

Название (английский):

ISO 5884:2018

Aerospace series — Fluid systems and components — Methods for system sampling and measuring the solid particle contamination in hydraulic fluids

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 13
Дата публикации:: 8 августа 2018 г.
Издание:: ISO IS 5884 edition 2 version 1
ICS:: 49.080

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Описание (английский):

This document specifies best practice for sampling hydraulic fluid from aircraft hydraulic systems and other hydraulic systems associated with aerospace purposes.

Abstract

Похожие стандарты

Стандарты, упомянутые в описании

Overview

ISO 5884:2018 - "Aerospace series - Fluid systems and components - Methods for system sampling and measuring the solid particle contamination in hydraulic fluids" - specifies best practice for sampling hydraulic fluid from aircraft and aerospace-associated hydraulic systems. The standard describes how to collect representative, uncontaminated fluid samples and how to prepare sampling equipment so that downstream particle-contamination measurements are meaningful and reproducible.

Keywords: ISO 5884:2018, hydraulic fluid sampling, particle contamination, aerospace hydraulic systems, cleanliness monitoring.

Key topics and technical requirements

Sampling apparatus: Requirements for manual and automated sampling equipment, including materials and cleanliness. Sample bottles: glass or PET/PETG, capacity 100–250 ml, appropriate caps (phenolic resin recommended for glass). Sample tubing requirements reference ISO 4021.

Apparatus preparation and cleaning: Procedures and solvent compatibility considerations to avoid introducing contaminants; emphasis on compatibility with mineral oil/synthetic and phosphate-ester fluids.

Sampling methods: Detailed methods and preferences, including:

Method A - Field monitor/PCM system (automated, preferred in adverse environments)
Method B - Sampling valve using sample bottles
Method C - Reservoir sampling with vacuum pump and tubing
Method D - Reservoir sampling with direct bottle dipping

Automated monitors: Guidance for portable field monitors and laser particle counters; flushing requirements prior to sampling (flush volume at least twice the hose volume) and calibration per ISO 11171.

Measurement and reporting: References to analytical techniques and reporting forms; sample analysis is referenced to established ISO methods (e.g., ISO 4405, ISO 4407, ISO 11500) and coding (e.g., ISO 4406, ISO 11218).

Sampling point and frequency: Recommendations for sampling point locations and suggested sampling frequency to maintain system cleanliness, to be aligned with manufacturer/operator limits.

Practical applications and users

ISO 5884:2018 is intended for:

Aircraft manufacturers and hydraulic-system designers (to set and verify cleanliness requirements)

Airline and aircraft maintenance organizations (for routine sampling and condition monitoring)

Aerospace component suppliers and repair stations (to validate cleanliness during assembly/overhaul)

Test laboratories and inspectors performing particle-count analysis Practical uses include routine maintenance checks, troubleshooting contamination sources, acceptance testing after repair or installation, and trend monitoring of system wear.

Related standards

ISO 4021 (sample tubing)

ISO 4405, ISO 4407 (particle analysis methods)

ISO 4406, ISO 11218 (cleanliness coding/classification)

ISO 11171 (particle-counter calibration)

ISO 11500 (automatic particle counting - light-extinction)

Adopting ISO 5884:2018 supports consistent, repeatable hydraulic fluid sampling and accurate assessment of solid particle contamination essential for aerospace safety and component life-cycle management.

ISO 5884:2018 PDF

Abstract

Похожие стандарты

Overview

Key topics and technical requirements

Practical applications and users

Related standards

Технические детали

SIST ISO 4021:1997

Hydraulic fluid power -- Particulate contamination analysis -- Extraction of fluid samples from lines of an o…

SIST ISO 11171:2023

Hydraulic fluid power - Calibration of automatic particle counters for liquids

SIST ISO 4405:2023

Hydraulic fluid power - Fluid contamination - Determination of particulate contamination by the gravimetric m…

SIST ISO 4407:2003

Hydraulic fluid power -- Fluid contamination -- Determination of particulate contamination by the counting me…

ISO 11500:2022/Amd 1:2026

Hydraulic fluid power — Determination of the particulate contamination level of a liquid sample by automatic…

BS ISO 4406:2021

Hydraulic fluid power. Fluids. Method for coding the level of contamination by solid particles.

ISO 11218:1993

Aerospace — Cleanliness classification for hydraulic fluids