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Homepage>ČSN EN ISO 12922 - Maziva, průmyslové oleje a příbuzné výrobky (třída L) - Skupina H (Hydraulické systémy) - Specifikace hydraulických kapalin pro kategorie HFAE, HFAS, HFB, HFC, HFDR a HFDU
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Vydáno: 01.08.2020

ČSN EN ISO 12922

Maziva, průmyslové oleje a příbuzné výrobky (třída L) - Skupina H (Hydraulické systémy) - Specifikace hydraulických kapalin pro kategorie HFAE, HFAS, HFB, HFC, HFDR a HFDU

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Označení normy:ČSN EN ISO 12922
Třídící znak:656607
Počet stran:24
Vydáno:01.08.2020
Harmonizace:Norma není harmonizována
Katalogové číslo:510345
DESCRIPTION

ČSN EN ISO 12922

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.