SIST EN 12852:2002

SLOVENSKI STANDARD
01-september-2002
Stroji za predelavo hrane - Naprave za predelavo hrane in mešalniki - Varnostne in
higienske zahteve
Food processing machinery - Food processors and blenders - Safety and hygiene
requirements
Nahrungsmittelmaschinen - Vertikalkutter und Mixer - Sicherheits- und
Hygieneanforderungen
Machines pour les produits alimentaires - Préparateurs culinaires et blenders -
Prescriptions relatives a la sécurité et a l'hygiene
Ta slovenski standard je istoveten z: EN 12852:2001
ICS:
67.260 Tovarne in oprema za Plants and equipment for the
živilsko industrijo food industry
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD
EN 12852
NORME EUROPÉENNE
EUROPÄISCHE NORM
May 2001
ICS 67.260
English version
Food processing machinery - Food processors and blenders -
Safety and hygiene requirements
Machines pour les produits alimentaires - Préparateurs Nahrungsmittelmaschinen - Vertikalkutter und Mixer -
culinaires et blenders - Prescriptions relatives à la sécurité Sicherheits- und Hygieneanforderungen
et à l'hygiène
This European Standard was approved by CEN on 20 April 2001.
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, 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
© 2001 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 12852:2001 E
worldwide for CEN national Members.

Page 2
Contents
Foreword.3
Introduction .4
1 Scope .5
2 Normative references .6
3 Terms and definitions - Description .7
4 List of hazards.10
5 Safety and hygiene requirements and/or measures .12
6 Verification of safety and hygiene requirements and/or measures.19
7 Information for use .20
Annex A (normative) Noise test code for food processors and blenders (grade 2 of accuracy) .22
Annex B (normative) Principles of design to ensure the cleanability of food processors and blenders.24
Annex C (informative) Interlocking device combined with the food processor cover when this is
removable .42
Annex ZA (informative) Relationship of this document with EC Directives.44
Bibliography .45

Page 3
Foreword
This European Standard has been prepared by Technical Committee CEN/TC 153 "Food processing machinery -
Safety and hygiene specifications", the secretariat of which is held by DIN.
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 November 2001, and conflicting national standards shall be withdrawn at the latest
by November 2001.
It is one of a series of standards on the design and construction of machines used in catering:

vegetable cutting machines;

catering attachments for machines having an auxiliary drive hub;

food processors and blenders;

hand-held blenders and whisks;

beam mixers;

salad dryers;

vegetable peelers;

cooking kettles equipped with stirrer and/or mixer.
This European Standard has been prepared under a mandate given to CEN by the European Commission and the
European Free Trade Association, and supports essential requirements of EC Directive(s).
For relationship with EC Directive(s), see informative Annex ZA, which is an integral part of this standard.
The annexes A and B are normative. Annex C is informative.
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, Netherlands, Norway, Portugal, Spain, Sweden,
Switzerland and the United Kingdom.

Page 4
Introduction
The use of food processors and blenders generates various mechanical and other risks.
Their extensive use in numerous countries justifies the need of a standard covering both safety and the hazards to
food hygiene arising from machine design complementary to prEN 1672-1:1994 and EN 1672-2:1997 which state
common requirements for food processing machines.
This European standard has been prepared to be a harmonised standard to provide one means of conformity with
the essential safety and hygiene requirements of the Machinery Directive and associated EFTA Regulations.
This European standard is a type C standard as stated in EN 1070:1998.
The machinery concerned and the extent to which hazards, hazardous situations and events are covered are
indicated in the scope of this standard.
When provisions of this type C standard are different from those which are stated in type A or B standards, the
provisions of this type C standard take precedence over the provisions of the other standards, for machines that
have been designed and built according to the provisions of this type C standard.

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1 Scope
1.1 This European standard specifies the safety and hygiene requirements for the design and manufacture of
food processors and blenders.
It applies to food processors and blenders having a bowl which is stationary while the food is being processed.
The total volume of the bowl is less than or equal to 150 l.
The machines covered by this standard are intended to carry out various types of operations such as : mincing,
mixing, blending, whipping, using a large number of products and raw materials, and which are used in food and
catering industries such as restaurants, hotels, coffee shops and pubs.
This standard applies when such machines are used under the intended conditions of use as defined in 3.12 of
EN 292-1:1991 and stated in the instruction handbook (see 7.1), including cleaning, removal of food blockages,
feeding and changing the tools.
1.2 This standard does not apply to :

domestic machines;

machinery dedicated to food industrial processing (e.g. pet food, cannery industry, industrial meat processing).
Small machines called "shakers" which are dedicated to blending liquid, with an impellor, usually driven from above
are excluded.
1.3 This standard covers significant hazards at such machines, as identified by risk assessment (see
EN 1050:1996), which are listed in clause 4 of this standard. In addition machinery shall comply as appropriate with
EN 292 and prEN 1672-1:1994 for hazards which are not covered by this standard.
1.4
This standard does not deal with:

vibration hazard;

thermal hazard;

hazard due to pressure.
1.5 This standard applies primarily to machines which are manufactured after its date of issue.

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2 Normative references
This European Standard incorporates by dated or undated reference, provisions from other publications. These
normative references are cited at the appropriate places in the text and the publications are listed hereafter. For
dated references, subsequent amendments to or revisions of any of these publications apply to this European
Standard only when incorporated in it by amendment or revision. For undated references the latest edition of the
publication referred to applies (including amendments).
EN 292-1:1991, Safety of machinery - Basic concepts, general principles for design - Part 1 : Basic terminology,
methodology.
EN 292-2:1991, Safety of machinery - Basic concepts, general principles for design - Part 2 : Technical principles
and specifications.
EN 292-2/A1:1995, Safety of machinery - Basic concepts, general principles for design - Part 2 : Technical
principles and specifications.
EN 294:1992, Safety of machinery - Safety distances to prevent danger zones being reached by the upper limbs.
EN 614-1:1995, Safety of machinery - Ergonomic design principles - Part 1 : Terminology and general principles.
EN 953:1997, Safety of machinery - General requirements for the design and construction of fixed and movable
guards.
EN 954-1:1996, Safety of machinery - Safety related parts of control systems - Part 1 : General principles for
design.
prEN 1005-3:1993, Safety of machinery - Human physical performance - Part 3 : Recommended force limits for
machinery operation.
EN 1070:1998, Safety of machinery – Terminology.
EN 1088:1995, Safety of machinery - Interlocking devices associated with guards - Principles for design and
selection.
prEN 1672-1:1994, Food processing machinery - Basic concepts - Part 1 : Safety requirements.
EN 1672-2:1997, Food processing machinery - Basic concepts - Part 2 : Hygiene requirements.
EN 50081-1:1992, Electromagnetic compatibility - Generic emission standard - Part 1 : Residential, commercial
and light industry.
EN 50081-2:1993, Electromagnetic compatibility - Generic emission standard - Part 2 : Industrial environment.
EN 50082-1:1992, Electromagnetic compatibility - Generic immunity - Part 1 : Residential, commercial and light
industry.
EN 60204-1:1997, Safety of machinery - Electrical equipment of machines - Part 1 : General requirements.
EN 60529:1991, Degrees of protection provided by enclosures (IP code).
EN 60947-2:1995, Low-voltage switchgear and controlgear - Part 2 : Circuit -breakers.
EN 61000-6-2:1999, Electromagnetic compatibility (EMC) - Part 6-2 : Generic standards - Immunity for industrial
environments (IEC 61000-6-2:1999).
EN ISO 3744:1995, Acoustics - Determination of sound power levels of noise sources - Engineering method
employing an enveloping measurement surface in an essentially free field over a reflecting plane.
EN ISO 4871:1996, Acoustics - Declaration and verification of noise emission values of machinery and equipment.

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EN ISO 11201:1995, Acoustics - Noise emitted by machinery and equipment - Measurement of emission sound
pressure levels at the work station and at other specified positions - Engineering method in an essentially free field
over a reflecting plane.
EN ISO 11688-1:1998, Acoustics – Recommended practice for the design of low noise machinery and equipment –
Part 1 : Planning.
ISO 468:1982, Surface roughness - Parameters, their values and general rules for specifying requirements.
3 Terms and definitions - Description
3.1 Terms and definitions
For the purposes of this standard, terms and definitions given in EN 1070:1998 and the following apply :
3.1.1
nominal volume, V
n
manufacturer's declared intended working volume of food processed (see 7.1.d)
3.1.2
total volume, V
t
total volume that the bowl can physically contain
3.1.3
removable
can be removed and put back by means of basic hand tools
3.1.4
easily removable
can be removed and put back easily by one person without the use of tools
3.1.5
bumper point
fixed part which limits the movement of the bowl, at the lowest position
3.2 Description
The essential difference between a food processor and a blender is the geometric shape of the working bowl and
the speed of the tools, which make the blender able to work with a liquid base, and the food processor able to work
with or without a liquid base (see figures 1, 2 and 3)
L is the distance between the upper edge of the aperture and the upper blade of the tool. D is the circumscribed
diameter of the aperture.
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For those machines, three types are defined :

type 1 : machines for which V < 5 l
t

type 2 : machines for which 5 l  V
 25 l and with a total power rating P  3 kW
t

type 3 : machines for which 25 l < V  150 l or with a total power rating P > 3 kW

t
Key
1 : Cover or lid
2 : Housing
3 : Motor
4 : Shaft
5 : Tool
6 : Bowl
Figure 1 — Example of a blender

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Key
1 : Cover or lid
2 : Housing
3 : Motor
4 : Shaft
5 : Tool
6 : Bowl
Figure 2 — Example of a food processor Figure 3 — Example of a food processor with tilting
bowl
Page 10
4 List of hazards
This standard covers the following significant hazards related to intended conditions of use.
NOTE If the machine is not used under the above conditions, the manufacturer should, when informed of such a situation,
check by a new risk analysis that the preve
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