SIST EN ISO 12922:2002

SLOVENSKI STANDARD
SIST EN ISO 12922:2002
01-september-2002
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Lubricants, industrial oils and related products (class L) - Family H (Hydraulic systems) -
Specifications for categories HFAE, HFAS, HFB, HFC, HFDR and HFDU (ISO
12922:1999, including Technical Corrigendum 1:2001)
Schiermstoffe, Industrieöle und verwandte Produkte (Klasse L) - Familie H (Hydraulische
Systeme) - Anforderungen für die Kategorien HFAE, HFAS, HFB, HFC, HFDR und
HFDU (ISO 12922:1999 einschließlich Technisches Corrigendum 1:2001)
Lubrifiants, huiles industrielles et produits connexes (classe L) - Famille H (Systemes
hydrauliques) - Spécifications applicables aux catégories HFAE, HFAS, HFB, HFC,
HFDR et HFDU (ISO 12922:1999, Corrigendum Technique 1:2001 inclus)
Ta slovenski standard je istoveten z: EN ISO 12922:2002
ICS:
75.120 +LGUDYOLþQLIOXLGL Hydraulic fluids
SIST EN ISO 12922:2002 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN ISO 12922:2002

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SIST EN ISO 12922:2002
EUROPEAN STANDARD
EN ISO 12922
NORME EUROPÉENNE
EUROPÄISCHE NORM
March 2002
ICS 75.120
English version
Lubricants, industrial oils and related products (class L) - Family
H (Hydraulic systems) - Specifications for categories HFAE,
HFAS, HFB, HFC, HFDR and HFDU (ISO 12922:1999, including
Technical Corrigendum 1:2001)
Lubrifiants, huiles industrielles et produits connexes (classe Schiermstoffe, Industrieöle und verwandte Produkte
L) - Famille H (Systèmes hydrauliques) - Spécifications (Klasse L) - Familie H (Hydraulische Systeme) -
applicables aux catégories HFAE, HFAS, HFB, HFC, Anforderungen für die Kategorien HFAE, HFAS, HFB, HFC,
HFDR et HFDU (ISO 12922:1999, Corrigendum Technique HFDR und HFDU (ISO 12922:1999 einschließlich
1:2001 inclus) Technisches Corrigendum 1:2001)
This European Standard was approved by CEN on 3 January 2002.
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 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 Management Centre has the same status as the official
versions.
CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece,
Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre: rue de Stassart, 36  B-1050 Brussels
© 2002 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 12922:2002 E
worldwide for CEN national Members.

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SIST EN ISO 12922:2002
EN ISO 12922:2002 (E)
Foreword
The text of the International Standard from Technical Committee ISO/TC 28 "Petroleum
products and lubricants" of the International Organization for Standardization (ISO) has been
taken over as a European Standard by Technical Committee CEN/TC 19 "Petroleum products,
lubricants and related products", 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 September 2002, and conflicting national
standards shall be withdrawn at the latest by September 2002.
According to the CEN/CENELEC Internal Regulations, the national standards organizations of
the following countries are bound to implement this European Standard: Austria, Belgium, Czech
Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg,
Malta, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingdom.
Endorsement notice
The text of the International Standard ISO 12922:1999, including Technical Corrigendum 1:2001
has been approved by CEN as a European Standard without any modifications.
2

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SIST EN ISO 12922:2002
INTERNATIONAL ISO
STANDARD 12922
First edition
1999-10-15
Lubricants, industrial oils and related
products (class L) — Family H (Hydraulic
systems) — Specifications for categories
HFAE, HFAS, HFB, HFC, HFDR and HFDU
Lubrifiants, huiles industrielles et produits connexes (classe L) — Famille H
(Systèmes hydrauliques) — Spécifications applicables aux catégories
HFAE, HFAS, HFB, HFC, HFDR et HFDU
A
Reference number
ISO 12922:1999(E)

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SIST EN ISO 12922:2002
ISO 12922:1999(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 3.
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.
International Standard ISO 12922 was prepared by Technical Committee ISO/TC 28, Petroleum products and
lubricants, Subcommittee SC 4, Classifications and specifications, Working Group WG 3, Classification and
specifications of hydraulic fluids, which is a joint working group with TC 131, Fluid power systems.
Annex A forms a normative part of this International Standard. Annex B is for information only.
©  ISO 1999
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 the publisher.
International Organization for Standardization
Case postale 56 • CH-1211 Genève 20 • Switzerland
Internet iso@iso.ch
Printed in Switzerland
ii

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SIST EN ISO 12922:2002
INTERNATIONAL STANDARD  © ISO ISO 12922:1999(E)
Lubricants, industrial oils and related products (class L) — Family
H (Hydraulic systems) — Specifications for categories HFAE,
HFAS, HFB, HFC, HFDR and HFDU
WARNING — The handling and use of products as specified in this International Standard may 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 requirements of fire-resistant hydraulic fluids for hydrostatic and
hydrodynamic hydraulic 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 fire-
resistant hydraulic fluids and also direction for equipment manufacturers of hydraulic systems.
This International Standard is written in a general form so that its application can accommodate various climatic
conditions throughout the world. It also stipulates the requirements of fire-resistant hydraulic fluids at the time of
delivery.
ISO 6743-4 establishes the classification of fluids used in hydraulic applications. Of the categories covered by
ISO 6743-4, only the following are detailed in this specification: HFAE, HFAS, HFB, HFC, HFDR and HFDU.
NOTE For the purposes of this International Standard, the expressions "% (m/m)" and "% (V/V)" are used to represent
respectively the mass fraction and the volume fraction of a material.
2 Normative references
The following normative documents contain provisions which, through reference in this text, constitute provisions of
this International Standard. For dated references, subsequent amendments to, or revisions of, any of these
publications do not apply. However, parties to agreements based on this International Standard are encouraged to
investigate the possibility of applying the most recent editions of the normative documents indicated below. For
undated references, the latest edition of the normative document referred to applies. Members of ISO and IEC
maintain registers of currently valid International Standards.
ISO 760:1978, Determination of water — Karl Fischer method (General method).
ISO 3170:1988, 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 3733:1999, Petroleum products and bituminous materials — Determination of water — Distillation method.
ISO 4259:1992, Petroleum products — Determination and application of precision data in relation to methods of
test.
1

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SIST EN ISO 12922:2002
© ISO
ISO 12922:1999(E)
ISO 4404:1998,
Petroleum and related products — Determination of the corrosion resistance of water-containing
fire-resistant fluids for hydraulic systems.
ISO 4406:1987, Hydraulic fluid power — Fluids — Method for coding level of contamination by solid particles.
ISO 5884:1987, Aerospace — Fluid systems and components — Methods for system sampling and measuring the
solid particle contamination of hydraulic fluids.
ISO 6072:1986, Hydraulic fluid power — Compatibility between elastomeric materials and fluids.
ISO 6247:1998, Petroleum products — Determination of foaming characteristics of lubricating oils.
ISO 6618:1997, Petroleum products and lubricants — Determination of acid or base number — Colour-indicator
titration method.
1)
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 7745:1989, Hydraulic fluid power — Fire-resistant (FR) fluids — 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 14935:1998, Petroleum and related products — Determination of wick flame persistence of fire-resistant fluids.
2)
ISO 15029-1:— , Petroleum and related products — Determination of spray ignition characteristics of fire -
resistant fluids — Part 1: Spray flame persistence — Hollow cone nozzle method.
3)
DIN 51348:1990 , Testing of fire resistant governor fluids; Determination of hydrolytic stability.
DIN 51354-2:1990, Testing of lubricants; FZG gear testing; Method A/8,3/90 for lubricant oils.
3)
DIN 51373:1984 , Testing of fire resistant governor fluids; Determination of oxidation stability including evaluation
of the catalyst plates.
DIN 51777-2:1974, Testing of mineral oil hydrocarbons and solvents; Determination of water content according to
Karl Fischer; Indirect method.
NT FIRE 031, Fluid spray: combustion efficiency; ISSN 0283-7188.
4) 5)
7th edition of Luxembourg report: Doc N° 4746/10/91 EN, April 1994 .
6)
CETOP RP 65H:1993 , Manifold ignition test.

1)
To be revised. The title will be changed to: Petroleum products and lubricants — Determination of acid number —
Potentiometric titration method)
2)
To be published (see B.1 in annex B)
3)
See B.3 in annex B
4)
Available from: C.C.E - Direction Générale emplois, relations industrielles et affaires sociales. Organe permanent pour la
sécurité et la salubrité dans les mines et les autres industries extratives, BP 1907, L-29920, Luxembourg
5)
Abbreviated, in Tables 1 and 2 ; as "VII LUX" folowed by the number of the relevant subclause (see annex A)
2

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SIST EN ISO 12922:2002
© ISO
ISO 12922:1999(E)
6)
CETOP RP 67H:1974 ,
Anti-wear vane pump test for hydraulic fluids.
3 Sampling
Sampling of hydraulic fluids for the purpose of this International Standard shall be carried out in accordance with the
appropriate procedure described in ISO 3170. A representative sample shall be evaluated.
NOTE 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
For the purposes of this International Standard, fluids shall be classified according to ISO 6743-4 and the guidelines
for use shall be referred to ISO 7745.
Fluids, when tested according to the specified methods, shall be in agreement with the limiting values indicated in
Tables 1 and 2, where applicable.
The majority of test methods specified in Tables 1 and 2 contain a statement of precision (repeatability and
reproducibility). Attention is drawn to ISO 4259 which covers the use of precision data in the interpretation of test
results. This procedure shall be used in cases of dispute.
Detailed requirements for each category mentioned in this International Standard are provided in Table 1 for HFAE
and HFAS categories and in Table 2 for HFB, HFC and HFD types.
The composition of each category is indicated at the top of each table in accordance with ISO 6743-4.
This International Standard does not purport to address all of the safety problems associated with the use of fire-
resistant fluids. It is the responsibility of users to establish appropriate safety and health practices and to determine
the applicability of regulatory limitations prior to use. The fluid shall not present any significant hazard to health
when correctly used in hydraulic equipment, observing the handing recommendations of the supplier.
_____________________________
6)
Available from: Central secretariat of CETOP, BFPA, Cheriton house, Cromwell Business Park, Banbury Road, Chipping
Norton, OXON OX7 5SR, UK. Tel: (0) 1608 647900 - Fax: (0) 1608 647919.
3

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SIST EN ISO 12922:2002
© ISO
ISO 12922:1999(E)
Table 1 — Requirements for categories HFAE and HFAS fluids
Composition Type HFAE: These are oil-in-water emulsions, typically with more than 80 % water content
(+ 5 °C to + 50 °C, ISO 7745)
Type HFAS: These are chemical solutions in water, typically more than 80 % water content
(+ 5 °C to +50 °C, ISO 7745)
Specification
Characteristic or test Unit Standard or test method
Finished emulsion Finished solution
a a
Category HFAE Category HFAS
cb
Appearance
Water content, minimum % (V/V) 80 80 ISO 3733
d
ml/ml 300/10 300/10 ISO 6247
Foam at: + 25 °C maximum
+ 50 °C maximum ml/ml 300/10 300/10
+ 25 °C maximum ml/ml 300/10 300/10
pH at 20 °C 6,7 to 11,0 6,7 to 11,0 VII LUX 5.4
c
Emulsion stability (50 °C/600 h), maximum: Rating 2A-2R VII LUX 5.2.1
c
— free oil % (V/V) Trace
— cream, maximum % (V/V) 0,5 c
ee
Corrosion protection Rating ISO 4404
ee
Elastomer compatibility NBR1, EPDM1 and ISO 6072
FPM1 elastomer, 60 °C/168 h
— relative volume change, maximum % 7 7
— relative hardness change: minimum IRHD
-7 -7
maximum IRHD +2 +2
e e
— change in tensile strength %
— elongation at break % e e
a
These products are normally supplied as concentrates, and should be used with the correct water quantity as specified by the supplier
2
(viscosity of concentrate to be 350 mm /s maximum at 20 °C).
b
The appearance of
...