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NEN-ISO 4405

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

active, Most Current
Organization: NEN
Publication Date: 1 August 2022
Status: active
Page Count: 24
ICS Code (Filters, seals and contamination of fluids): 23.100.60
scope:

This document defines the gravimetric method for determining the contamination level of fluids used in hydraulic fluid power systems.

The working instructions provided in this document serve for the gravimetric determination of dirt content of pressure fluids from mineral oil with additives. They are used in hydraulic systems with hydrostatic drive.

Document History

NEN-ISO 4405
August 1, 2022
Hydraulic fluid power - Fluid contamination - Determination of particulate contamination by the gravimetric method
This document defines the gravimetric method for determining the contamination level of fluids used in hydraulic fluid power systems. The working instructions provided in this document serve for the...
NEN-ISO 4405
May 1, 2007
Hydraulic fluid power - Fluid contamination - Determination of particulate contamination by the gravimetric method
A description is not available for this item.

References

This document references:
ISO 11158 - Lubricants, industrial oils and related products (class L) — Family H (hydraulic systems) — Specifications for categories HH, HL, HM, HV and HG
Published by ISO on September 15, 2009
This International Standard specifies the minimum requirements for new mineral oil hydraulic fluids and is intended for hydraulic systems, particularly for hydrostatic hydraulic fluid power...
This document references:
ISO 5598 - Fluid power systems and components - Vocabulary
Published by ISO on January 1, 2020
This document establishes the vocabulary, in English, French and German, for all fluid power systems and components, excluding aerospace applications and compressed air supply installations.
This document references:
ISO 12103-1 - Road vehicles - Test contaminants for filter evaluation - Part 1: Arizona test dust
Published by ISO on March 1, 2016
This part of ISO 12103 defines particle size distribution and chemical content limits involving four grades of test dust made from Arizona desert sand.
This document references:
ISO 4021 - Hydraulic Fluid Power - Particulate Contamination Analysis - Extraction of Fluid Samples from Lines of an Operating System
Published by ISO on January 1, 1992
This International Standard specifies procedures for extracting fluid samples from a hydraulic fluid power system under operation. The preferred method is to extract fluid samples from a main...
This document references:
ISO 6743-4 - Lubricants, industrial oils and related products (class L) - Classification - Part 4: Family H (Hydraulic systems)
Published by ISO on August 1, 2015
This part of ISO 6743 establishes the detailed classification of fluids of Family H (Hydraulic systems) which belong to class L (Lubricants, industrial oils, and related products). It is intended to...
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