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 (ISO 12922:2012)

ISO 12922:2012 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 International Standard: HFAE, HFAS, HFB, HFC, HFDR and HFDU.

Schmierstoffe, Industrieöle und verwandte Produkte (Klasse L) - Familie H (Hydraulische Systeme) - Anforderungen an Druckflüssigkeiten in den Kategorien HFAE, HFAS, HFB, HFC, HFDR und HFDU (ISO 12922:2012)

Diese Internationale Norm legt die Minimalanforderungen an unbenutzte schwer entflammbare und weniger
schwer entflammbare Druckflüssigkeiten für hydrostatische und hydrokinetische hydraulische Systeme in
allgemeinen industriellen Anwendungen fest. Diese Anforderungen sind nicht bei Anwendungen in der Luftund
Raumfahrt und der Energieerzeugung anzuwenden, da dort unterschiedliche Anforderungen gelten.
Diese Norm dient als Richtlinie sowohl für Lieferanten und Endverbraucher schwerentflammbarer
Druckflüssigkeiten als auch für Ausrüstungshersteller hydraulischer Systeme und Anlagen.
ISO 6743-4 beinhaltet die Klassifikation von Flüssigkeiten für Anwendungen in der Fluidtechnik. Die
Anforderungen dieser Norm gelten im Einzelnen nur für folgende Kategorien von Druckflüssigkeiten nach
ISO 6743-4: HFAE, HFAS, HFB, HFC, HFDR und HFDU.
Die Typen HFAE, HFAS, HFB, HFC und HFDR sind schwerentflammbare Druckflüssigkeiten wie in ISO 5598
definiert. Die meisten Flüssigkeiten der Kategorie HFDU liegen außerhalb dieser Definition und es ist eher
angemessen sie als „weniger brennbare Flüssigkeiten“ zu bezeichnen. Im Vergleich zu Mineralöl wird mit
Flüssigkeiten der Kategorie HFDU jedoch eine Verbesserung des Brandschutzes erreicht.
ANMERKUNG Für den Gebrauch dieser Norm gelten die Ausdrücke „% (m/m)“ und „% V/V “ als Massenanteil
beziehungsweise Volumenanteil eines Stoffes.

Lubrifiants, huiles industrielles et produits connexes (classe L) - Famille H (Systèmes hydrauliques) - Spécifications applicables aux fluides hydrauliques des catégories HFAE, HFAS, HFB, HFC, HFDR et HFDU (ISO 12922:2012)

L'ISO 12922:2012 spécifie les exigences minimales relatives aux fluides hydrauliques neufs résistant au feu et difficilement inflammables, destinés aux systèmes hydrostatiques et hydrodynamiques dans les applications industrielles générales. Elle ne s'applique pas aux applications du domaine aéronautique ou de la production d'électricité qui nécessitent d'autres exigences. Elle fournit des informations aux fournisseurs et aux utilisateurs finaux de ces fluides peu dangereux ainsi qu'aux fabricants des équipements hydrauliques dans lesquels ces fluides sont utilisés.
Parmi les catégories couvertes par l'ISO 6743-4, qui classe les différents types de fluides utilisés dans les applications hydrauliques, seules les suivantes sont détaillées dans la présente Norme internationale: HFAE, HFAS, HFB, HFC, HFDR et HFDU.

Maziva, industrijska olja in sorodni proizvodi (skupina L) - Podskupina H (hidravlični sistemi) - Specifikacije za hidravlične tekočine kategorij HFAE, HFAS, HFB, HFC, HFDR in HFDU (ISO 12922:2012)

Ta mednarodni standard določa minimalne zahteve za neuporabljene negorljive in manj vnetljive hidravlične tekočine za hidrostatične in hidrodinamične sisteme za splošno industrijsko uporabo. Ni namenjen uporabi v aeronavtiki ali proizvodnji električne energije, kjer veljajo druge zahteve. Podaja napotke za dobavitelje in končne uporabnike teh manj nevarnih tekočin ter za proizvajalce hidravlične opreme, v kateri se uporabljajo. Izmed kategorij, ki jih zajema standard ISO 6743-4, v katerem so razvrščene različne vrste tekočin, ki se uporabljajo v hidravličnih napravah, so v tem mednarodnem standardu so podrobneje opisane samo naslednje kategorije: HFAE, HFAS, HFB, HFC, HFDR in HFDU. V skladu s standardom ISO 5598 so HFAE, HFAS, HFB, HFC in HFDR »negorljive« tekočine. Čeprav večina tekočin HFDU zgoreva težje kot mineralno olje, ne spadajo v okvir te opredelitve, zato je ustrezneje, da se obravnavajo kot »manj vnetljive« tekočine.

General Information

Status
Withdrawn
Publication Date
30-Nov-2012
Withdrawal Date
25-Feb-2020
Current Stage
9960 - Withdrawal effective - Withdrawal
Completion Date
26-Feb-2020

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SLOVENSKI STANDARD
SIST EN ISO 12922:2013
01-februar-2013
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SIST EN ISO 12922:2002
0D]LYDLQGXVWULMVNDROMDLQVRURGQLSURL]YRGL VNXSLQD/ 3RGVNXSLQD+

KLGUDYOLþQLVLVWHPL 6SHFLILNDFLMH]DKLGUDYOLþQHWHNRþLQHNDWHJRULM+)$(+)$6

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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 (ISO 12922:2012)

Schmierstoffe, Industrieöle und verwandte Produkte (Klasse L) - Familie H (Hydraulische

Systeme) - Anforderungen an Druckflüssigkeiten in den Kategorien HFAE, HFAS, HFB,

HFC, HFDR und HFDU (ISO 12922:2012)

Lubrifiants, huiles industrielles et produits connexes (classe L) - Famille H (Systèmes

hydrauliques) - Spécifications applicables aux fluides hydrauliques des catégories HFAE,

HFAS, HFB, HFC, HFDR et HFDU (ISO 12922:2012)
Ta slovenski standard je istoveten z: EN ISO 12922:2012
ICS:
75.120 +LGUDYOLþQLIOXLGL Hydraulic fluids
SIST EN ISO 12922:2013 en

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN ISO 12922:2013
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SIST EN ISO 12922:2013
EUROPEAN STANDARD
EN ISO 12922
NORME EUROPÉENNE
EUROPÄISCHE NORM
December 2012
ICS 75.120 Supersedes EN ISO 12922:2002
English Version
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 (ISO
12922:2012)

Lubrifiants, huiles industrielles et produits connexes (classe Schmierstoffe, Industrieöle und verwandte Produkte

L) - Famille H (Systèmes hydrauliques) - Spécifications (Klasse L) - Familie H (Hydraulische Systeme) -

applicables aux fluides hydrauliques des catégories HFAE, Anforderungen an Druckflüssigkeiten in den Kategorien

HFAS, HFB, HFC, HFDR et HFDU (ISO 12922:2012) HFAE, HFAS, HFB, HFC, HFDR und HFDU (ISO

12922:2012)
This European Standard was approved by CEN on 1 December 2012.

CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European

Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national

standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN member.

This European Standard exists in three official versions (English, French, German). A version in any other language made by translation

under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same

status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,

Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,

Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United

Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre: Avenue Marnix 17, B-1000 Brussels

© 2012 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 12922:2012: E

worldwide for CEN national Members.
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SIST EN ISO 12922:2013
EN ISO 12922:2012 (E)
Contents Page

Foreword ..............................................................................................................................................................3

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SIST EN ISO 12922:2013
EN ISO 12922:2012 (E)
Foreword

This document (EN ISO 12922:2012) has been prepared by Technical Committee ISO/TC 28 "Petroleum

products and lubricants" in collaboration with Technical Committee CEN/TC 19 "Gaseous and liquid fuels,

lubricants and related products of petroleum, synthetic and biological origin", the secretariat of which is held

by NEN.

This European Standard shall be given the status of a national standard, either by publication of an identical

text or by endorsement, at the latest by June 2013, and conflicting national standards shall be withdrawn at

the latest by June 2013.

Attention is drawn to the possibility that some of the elements of this document may be the subject of patent

rights. CEN [and/or CENELEC] shall not be held responsible for identifying any or all such patent rights.

This document supersedes EN ISO 12922:2002.

According to the CEN/CENELEC Internal Regulations, the national standards organisations of the following

countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech

Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece,

Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal,

Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom.

Endorsement notice

The text of ISO 12922:2012 has been approved by CEN as a EN ISO 12922:2012 without any modification.

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SIST EN ISO 12922:2013
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SIST EN ISO 12922:2013
INTERNATIONAL ISO
STANDARD 12922
Second edition
2012-12-01
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
Lubrifiants, huiles industrielles et produits connexes (classe L) —
Famille H (Systèmes hydrauliques) — Spécifications applicables aux
fluides hydrauliques des catégories HFAE, HFAS, HFB, HFC, HFDR et
HFDU
Reference number
ISO 12922:2012(E)
ISO 2012
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SIST EN ISO 12922:2013
ISO 12922:2012(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO 2012

All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means,

electronic or mechanical, including photocopying and microfilm, without permission in writing from either ISO at the address below or

ISO's member body in the country of the requester.
ISO copyright office
Case postale 56 • CH-1211 Geneva 20
Tel. + 41 22 749 01 11
Fax + 41 22 749 09 47
E-mail copyright@iso.org
Web www.iso.org
Published in Switzerland
ii © ISO 2012 – All rights reserved
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SIST EN ISO 12922:2013
ISO 12922:2012(E)
Contents Page

Foreword ............................................................................................................................................................iv

1 Scope......................................................................................................................................................1

2 Normative references............................................................................................................................1

3 Sampling.................................................................................................................................................3

4 Requirements for fire-resistant hydraulic fluids and less-flammable hydraulic fluids..................3

Annex A (informative) Spray ignition characteristics .....................................................................................9

Bibliography......................................................................................................................................................10

© ISO 2012 – All rights reserved iii
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SIST EN ISO 12922:2013
ISO 12922:2012(E)
Foreword

ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies

(ISO member bodies). The work of preparing International Standards is normally carried out through ISO

technical committees. Each member body interested in a subject for which a technical committee has been

established has the right to be represented on that committee. International organizations, governmental and

non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the

International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.

International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2.

The main task of technical committees is to prepare International Standards. Draft International Standards

adopted by the technical committees are circulated to the member bodies for voting. Publication as an

International Standard requires approval by at least 75 % of the member bodies casting a vote.

Attention is drawn to the possibility that some of the elements of this document may be the subject of patent

rights. ISO shall not be held responsible for identifying any or all such patent rights.

ISO 12922 was prepared by Technical Committee ISO/TC 28, Petroleum products and lubricants,

Subcommittee SC 4, Classifications and specifications.

This second edition cancels and replaces the first edition (ISO 12922:1999), which has been technically

revised. It also incorporates the Technical Corrigendum ISO 12922:1999/Cor.1:2001.

iv © ISO 2012 – All rights reserved
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SIST EN ISO 12922:2013
INTERNATIONAL STANDARD ISO 12922:2012(E)
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

WARNING — The handling and use of products as specified in this International Standard can be

hazardous if suitable precautions are not observed. This International Standard does not purport to

address all of the safety problems associated with its use. It is the responsibility of the user of this

International Standard to establish appropriate safety and health practices and determine the

applicability of regulatory limitations prior to use.
1 Scope

This International Standard 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 International Standard: 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 “less-flammable” fluids.

NOTE For the purposes of this International Standard, the terms “% (m/m)” and “% (V/V)” are used to represent,

respectively, the mass fraction and the volume faction of a material.
2 Normative references

The following referenced documents are indispensable for the application of this document. For dated

references, only the edition cited applies. For undated references, the latest edition of the referenced

document (including any amendments) applies.
ISO 760:1978, Determination of water — Karl Fischer method (General method)
ISO 2160:1998, Petroleum products — Corrosiveness to copper — Copper strip test

ISO 3104:1994, Petroleum products — Transparent and opaque liquids — Determination of kinematic

viscosity and calculation of dynamic viscosity
ISO 3170:2004, Petroleum liquids — Manual sampling
ISO 3448:1992, Industrial liquid lubricants — ISO viscosity classification

ISO 3675:1998, Crude petroleum and liquid petroleum products — Laboratory determination of density —

Hydrometer method
© ISO 2012 – All rights reserved 1
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SIST EN ISO 12922:2013
ISO 12922:2012(E)

ISO 3733:1999, Petroleum products and bituminous materials — Determination of water — Distillation method

ISO 4259:2006, Petroleum products — Determination and application of precision data in relation to methods

of test

ISO 4263-2:2003, Petroleum and related products — Determination of the ageing behaviour of inhibited oils

and fluids — TOST test — Part 2: Procedure for category HFC hydraulic fluids

ISO 4263-3:2010, Petroleum and related products — Determination of the ageing behaviour of inhibited oils

and fluids using the TOST test — Part 3: Anhydrous procedure for synthetic hydraulic fluids

ISO 4404-1:2012, Petroleum and related products — Determination of the corrosion resistance of fire-

resistant hydraulic fluids — Part 1: Water-containing fluids

ISO 4404-2:2010, Petroleum and related products — Determination of the corrosion resistance of fire-

resistant hydraulic fluids — Part 2: Non-aqueous fluids
ISO 5598:2008, Fluid power systems and components — Vocabulary

ISO 6072:2011, Rubber — Compatibility between hydraulic fluids and standard elastomeric materials

ISO 6247:1998, Petroleum products — Determination of foaming characteristics of lubricating oils

ISO 6296:2000, Petroleum products — Determination of water content — Potentiometric Karl Fischer titration

method

ISO 6618:1997, Petroleum products and lubricants — Determination of acid or base number — Colour-

indicator titration method

ISO 6619:1988, Petroleum products and lubricants — Neutralization number — Potentiometric titration

method

ISO 6743-4:1999, Lubricants, industrial oils and related products (class L) — Classification — Part 4: Family H

(Hydraulic systems)

ISO 7120:1987, Petroleum products and lubricants — Petroleum oils and other fluids — Determination of rust-

preventing characteristics in the presence of water

ISO 7745:2010, Hydraulic fluid power — Fire-resistant (FR) fluids — Requirements and guidelines for use

ISO 9120:1997, Petroleum and related products — Determination of air-release properties of steam turbine

and other oils — Impinger method

ISO 12185:1996, Crude petroleum and petroleum products — Determination of density — Oscillating U-tube

method

ISO 14635-1:2000, Gears — FZG test procedures — Part 1: FZG test method A/8,3/90 for relative scuffing

load-carrying capacity of oils

ISO 14935:1998, Petroleum and related products — Determination of wick flame persistence of fire-resistant

fluids

ISO 15029-1:1999, Petroleum and related products — Determination of spray ignition characteristics of fire-

resistant fluids — Part 1: Spray flame persistence — Hollow-cone nozzle method

ISO/TS 15029-2:2012, Petroleum and related products — Determination of spray ignition characteristics of

fire-resistant fluids — Part 2: Spray test — Stabilized flame heat release method

ISO 20623:2003, Petroleum and related products — Determination of the extreme-pressure and anti-wear

properties of fluids — Four ball method (European conditions)
2 © ISO 2012 – All rights reserved
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SIST EN ISO 12922:2013
ISO 12922:2012(E)

ISO 20763:2004, Petroleum and related products — Determination of anti-wear properties of hydraulic fluid —

Vane pump method

ISO 20764:2003, Petroleum and related products — Preparation of a test portion of high-boiling liquids for the

determination of water content — Nitrogen purge method

ISO 20783-1:2011, Petroleum and related products — Determination of emulsion stability of fire-resistant

fluids — Part 1: Fluids in category HFAE

ISO 20783-2:2003, Petroleum and related products — Determination of emulsion stability of fire-resistant

fluids — Part 2: Fluids in category HFB

ISO 20823:2003, Petroleum and related products — Determination of the flammability characteristics of fluids

in contact with hot surfaces — Manifold ignition test

ISO 20843:2011, Petroleum and related products — Determination of pH of fire-resistant fluids within

categories HFAE, HFAS and HFC

ISO 20844:2004, Petroleum and related products — Determination of the shear stability of polymer-containing

oils using a diesel injector nozzle

EN 14832:2005, Petroleum and related products — Determination of the oxidation stability and corrosivity of

fire-resistant phosphate ester fluids

EN 14833:2005, Petroleum and related products — Determination of the hydrolytic stability of fire-resistant

phosphate ester fluids
3 Sampling

Sampling of hydraulic fluids for the purposes of this International Standard shall be carried out in accordance

with the appropriate procedure described in ISO 3170. A representative sample shall be evaluated.

Any drum, barrel, tanker, compartment or any type of container delivered to the end user may be sampled and

analysed at the request of the purchaser.
4 Requirements for fire-resistant hydraulic fluids and less-flammable hydraulic
fluids

For the purposes of this International Standard, fluids shall be classified according to ISO 6743-4. Guidelines

for their selection and use can be found in ISO 7745 and CEN/TR 14489. The latter also includes information

on health and safety requirements.

Where applicable and when tested in accordance with the specified methods, fluids shall meet the limit values

indicated in Table 1 (HFAE and HFAS fluids), Table 2 (HFB and HFC fluids) and Table 3 (HFDR and HFDU

fluids). It should be noted that a significant variation exists in the level of fire resistance displayed by the

different fluid types.

The majority of test methods specified within Tables 1 to 3 contain a statement of precision (repeatability and

reproducibility). ISO 4259, which covers the use of precision data in the interpretation of test results, shall be

used in cases of dispute.
© ISO 2012 – All rights reserved 3
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SIST EN ISO 12922:2013
ISO 12922:2012(E)
Table 1 — Requirements for fluids in categories HFAE and HFAS
Specification
Characteristic or test Unit Test method
abcd abcd
Category HFAE Category HFAS
Composition: oil-in-water emulsions chemical solutions in water
typically containing typically containing
≥ 95 % water (m/m), (+5 °C ≥ 95 % water (m/m), (+5 °C
to +50 °C; ISO 7745) to +50 °C; ISO 7745)
e f
Appearance
Viscosity at 40 °C ............................. maximum mm/s 5 5
...

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