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  • BSI
    BS EN ISO 12922:2020 Lubricants, industrial oils and related products (class L). Family H (Hydraulic systems). Specifications for hydraulic fluids in categories HFAE, HFAS, HFB, HFC, HFDR and HFDU
    Edition: 2020
    $313.97
    / user per year

Description of BS EN ISO 12922:2020 2020

This document specifies the minimum requirements of unused fire-resistant and less flammable hydraulic fluids for hydrostatic and hydrodynamic systems in general industrial applications. It is not intended for use in aerospace or power-generation applications, where different requirements apply. It provides guidance for suppliers and end users of these less hazardous fluids and to the manufacturers of hydraulic equipment in which they are used.

Of the categories covered by ISO 6743-4, which classifies the different types of fluids used in hydraulic applications, only the following are detailed in this document: HFAE, HFAS, HFB, HFC, HFDR and HFDU.

Types HFAE, HFAS, HFB, HFC and HFDR are "fire-resistant" fluids as defined by ISO 5598. Most HFDU fluids, while displaying an improvement in combustion behaviour over mineral oil, fall outside this definition and are more appropriately considered as "less flammable" fluids.



Standard NumberBS EN ISO 12922:2020
TitleLubricants, industrial oils and related products (class L). Family H (Hydraulic systems). Specifications for hydraulic fluids in categories HFAE, HFAS, HFB, HFC, HFDR and HFDU
StatusDefinitive
Publication Date2020-03-05
ReplacesBS EN ISO 12922:2012
Identical National Standard OfISO 12922, EN ISO 12922
DescriptorsHydraulic fluids, Ratings, Volume, Water content determination, Chemical composition, Fire resistance, Density, Hydrostatics, Industrial, Reproducibility, Test specimens, Lubricating oils, Corrosion protection, Precision, Hydraulic equipment, Compositional tolerances, Mechanical properties of materials, Viscosity, Delivery, Stability, Petroleum, Chemical properties, Compatibility, Elastomers, Hydraulic transmission systems, Ageing (materials), Hardness, pH, Petroleum products, Acid number, Fire-resistant materials, Performance, Tensile strength, Lubricants
ICS75.120 Hydraulic fluids
CommitteeMCE/18/-/16
ISBN978 0 539 02559 0
PublisherBSI
Pages20

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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