EN 61221:2004

SLOVENSKI STANDARD
01-december-2005
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Petroleum products and lubricants - Triaryl phosphate ester turbine control fluids
(category ISO-L-TCD) - Specifications
Mineralölerzeugnisse und Schmiermittel - Triaryl-Phosphatester-Turbinen-
Steuerflüssigkeiten (Kategorie ISO-L-TCD) - Anforderungen
Produits pétroliers et lubrifiants - Fluides de régulation de turbines à base d'esters de
triarylphosphate (catégorie ISO-L-TCD) - Spécifications
Ta slovenski standard je istoveten z: EN 61221:2004
ICS:
75.080 Naftni proizvodi na splošno Petroleum products in
general
75.100 Maziva Lubricants, industrial oils and
related products
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD EN 61221
NORME EUROPÉENNE
EUROPÄISCHE NORM October 2004

ICS 29.120; 75.120 Supersedes EN 61221:1995

English version
Petroleum products and lubricants –
Triaryl phosphate ester turbine control fluids (category ISO-L-TCD) -
Specifications
(IEC 61221:2004)
Produits pétroliers et lubrifiants –  Mineralölerzeugnisse und Schmiermittel -
Fluides de régulation de turbines à base Triaryl-Phosphatester-Turbinen-
d'esters de triarylphosphate Steuerflüssigkeiten
(catégorie ISO-L-TCD) – (Kategorie ISO-L-TCD) –
Spécifications Anforderungen
(CEI 61221:2004) (IEC 61221:2004)

This European Standard was approved by CENELEC on 2004-09-01. CENELEC 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 Central Secretariat or to any CENELEC 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 CENELEC member into its own language and
notified to the Central Secretariat has the same status as the official versions.

CENELEC members are the national electrotechnical committees of Austria, Belgium, Cyprus, Czech
Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden,
Switzerland and United Kingdom.

CENELEC
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung

Central Secretariat: rue de Stassart 35, B - 1050 Brussels

© 2004 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.

Ref. No. EN 61221:2004 E
Foreword
The text of document 10/583/FDIS, future edition 2 of IEC 61221, prepared by IEC TC 10, Fluids for
electrotechnical applications, was submitted to the IEC-CENELEC parallel vote and was approved by
CENELEC as EN 61221 on 2004-09-01.
This European Standard supersedes EN 61221:1995.
The main changes with respect to EN 61221:1995 include:
a) introduction of new tests to define fire resistance, namely the Manifold Ignition and Wick flame
persistence tests;
b) flame persistence tests;
c) introduction of a pour point requirement;
d) a change to the Sequence II foaming requirement;
e) introduction of a cleanliness requirement;
f) introduction of an elastomer compatibility requirement;
g) use of ISO test methods equivalent to the original DIN tests.
The following dates were fixed:

– latest date by which the EN has to be implemented

at national level by publication of an identical
(dop) 2005-06-01
national standard or by endorsement

– latest date by which the national standards conflicting
(dow) 2007-09-01
with the EN have to be withdrawn
Annex ZA has been added by CENELEC.
__________
Endorsement notice
The text of the International Standard IEC 61221:2004 was approved by CENELEC as a European
Standard without any modification.
__________
- 3 - EN 61221:2004
Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications
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.
NOTE Where an international publication has been modified by common modifications, indicated by (mod), the relevant
EN/HD applies.
Publication Year Title EN/HD Year
1) 2)
IEC 60247 - Insulating liquids - Measurement of EN 60247 2004
relative permittivity, dielectric dissipation
factor (tan d) and d.c. resistivity

1)
IEC 60978 - Maintenance and use guide for triaryl - -
phosphate ester turbine control fluids

1)
ISO 760 - Determination of water - Karl Fischer - -
method (General method)
1) 2)
ISO 2592 - Determination of flash and fire points - EN ISO 2592 2001
Cleveland open cup method
1)
ISO 3016 - Petroleum Oils - Determination of pour - -
point
1) 2)
ISO 3104 - Petroleum products - Transparent and EN ISO 3104 1996
opaque liquids - Determination of
kinematic viscosity and calculation of
dynamic viscosity
1) 2)
ISO 3170 - Petroleum liquids - Manual sampling EN ISO 3170 2004

1)
ISO 3448 - Industrial liquid lubricants - ISO viscosity - -
classification
1) 2)
ISO 3675 - Crude petroleum and liquid petroleum EN ISO 3675 1998
products - Laboratory determination of
density - Hydrometermethod
1) 2)
ISO 4259 - Petroleum products - Determination and EN ISO 4259 1995
application of precision data in relation to
methods of test
1)
Undated reference.
2)
Valid edition at date of issue.

Publication Year Title EN/HD Year
1)
ISO 4406 - Hydraulic fluid power - Fluids - Method for - -
coding the level of contamination by solid
particles
1)
ISO 6072 - Hydraulic fluid power - Compatibility - -
between fluids and standard elastomeric
materials
1)
ISO 6247 - Petroleum products - Determination of - -
foaming characteristics of lubricating oils

1)
ISO 6614 - Petroleum products - Determination of - -
water separability of petroleum oils and
synthetic fluids
1)
ISO 6619 - Petroleum prodcuts and lubricants - - -
Neutralization number - Potentiometric
titration method
1)
ISO 6743-5 - Lubricants, industrial oils and related - -
products (class L) - Classification
Part 5: Family T (Turbines)
1)
ISO 9120 - Petroleum and related products - - -
Determination of air-release properties of
steam turbine and other oils - Impinger
method
1)
ISO 11500 - Hydraulic fluid power - Determination of - -
particulate contamination by automatic
counting using the light extinction
principle
1) 2)
ISO 12185 - Crude petrolelum and petroleum products EN ISO 12185 1996
- Determination of density - Oscillating U-
tube method
3)
Petroleum and related products - EN 14832 -
Determination of the oxidation stability
and corrosivity of phosphate ester fluids

3)
Petroleum and related products - EN 14833 -
Determination of hydrolytic stability of
phosphate ester fluids
3)
draft CEN standard.
- 5 - EN 61221:2004
Publication Year Title EN/HD Year
1) 2)
ISO 14935 - Petroleum and related products - EN ISO 14935 1998
Determination of wick flame persistence
of fire resistant fluids
1)
ISO 15597 - Petroleum and related products - - -
Determination of chlorine and bromine
content - Wavelength-dispersive X-ray
fluorescence spectrometry
1)
ISO 20823 - Petroleum and related products - - -
Determination of the flammability
characteristics of fluids in contact with hot
surfaces - Manifold ignition test

NORME CEI
INTERNATIONALE
IEC
INTERNATIONAL
Deuxième édition
STANDARD
Second edition
2004-05
Produits pétroliers et lubrifiants –
Fluides de régulation de turbines à base d'esters
de triarylphosphate (catégorie ISO-L-TCD) –
Spécifications
Petroleum products and lubricants –
Triaryl phosphate ester turbine control fluids
(category ISO-L-TCD) –
Specifications
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61221  IEC:2004 – 3 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
PETROLEUM PRODUCTS AND LUBRICANTS –
TRIARYL PHOSPHATE ESTER TURBINE CONTROL FLUIDS
(CATEGORY ISO-L-TCD) –
SPECIFICATIONS
FOREWORD
1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising
all national electrotechnical committees (IEC National Committees). The object of IEC is to promote
international co-operation on all questions concerning standardization in the electrical and electronic fields. To
this end and in addition to other activities, IEC publishes International Standards, Technical Specifications,
Technical Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC
Publication(s)”). Their preparation is entrusted to technical committees; any IEC National Committee interested
in the subject dealt with may participate in this preparatory work. International, governmental and non-
governmental organizations liaising with the IEC also participate in this preparation. IEC collaborates closely
with the International Organization for Standardization (ISO) in accordance with conditions determined by
agreement between the two organizations.
2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international
consensus of opinion on the relevant subjects since each technical committee has representation from all
interested IEC National Committees.
3) IEC Publications have the form of recommendations for international use and are accepted by IEC National
Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC
Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any
misinterpretation by any end user.
4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications
transparently to the maximum extent possible in their national and regional publications. Any divergence
between any IEC Publication and the corresponding national or regional publication shall be clearly indicated in
the latter.
5) IEC provides no marking procedure to indicate its approval and cannot be rendered responsible for any
equipment declared to be in conformity with an IEC Publication.
6) All users should ensure that they have the latest edition of this publication.
7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and
members of its technical committees and IEC National Committees for any personal injury, property damage or
other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and
expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC
Publications.
8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is
indispensable for the correct application of this publication.
9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of
patent rights. IEC shall not be held responsible for identifying any or all such patent rights.
International Standard IEC 61221 has been prepared by IEC technical committee 10: Fluids
for electrotechnical applications.
This second edition cancels and replaces the first edition, published in 1993 as a technical
report, type 2. The major changes with regard to the first edition concern the need to upgrade
the report to an International Standard, taking account of changes to the specification. The
changes made include:
a) introduction of new tests to define fire resistance, namely the Manifold Ignition and Wick
flame persistence tests;
b) flame persistence tests;
c) introduction of a pour point requirement;
d) a change to the Sequence II foaming requirement;

61221  IEC:2004 – 5 –
e) introduction of a cleanliness requirement;
f) introduction of an elastomer compatibility requirement;
g) use of ISO test methods equivalent ot the original DIN tests.
In addition, changes made to the ISO/IEC Directives, Part 1, resulted in the replacement of
the old Type 1, 2 and 3 Technical Reports by Technical Specifications and Technical Reports.
In the light of these changes, TC10 considered that the appropriate form of this edition would
be as an International Standard.
The text of this standard is based on the following documents:
FDIS Report on voting
10/583/FDIS 10/608/RVD
Full information on th
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