SIST EN 1539:2016

SLOVENSKI STANDARD
SIST EN 1539:2016
01-februar-2016
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SIST EN 1539:2010
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Dryers and ovens, in which flammable substances are released - Safety requirements
Trockner und Öfen, in denen brennbare Stoffe freigesetzt werden -
Sicherheitsanforderungen
Séchoirs et fours dans lesquels se dégagent des substances inflammables -
Prescriptions de sécurité
Ta slovenski standard je istoveten z: EN 1539:2015
ICS:
25.180.01 ,QGXVWULMVNHSHþLQDVSORãQR Industrial furnaces in general
SIST EN 1539:2016 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN 1539:2016

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SIST EN 1539:2016


EN 1539
EUROPEAN STANDARD

NORME EUROPÉENNE

October 2015
EUROPÄISCHE NORM
ICS 25.180.01 Supersedes EN 1539:2009
English Version

Dryers and ovens, in which flammable substances are
released - Safety requirements
Séchoirs et fours dans lesquels se dégagent des Trockner und Öfen, in denen brennbare Stoffe
substances inflammables - Prescriptions de sécurité freigesetzt werden - Sicherheitsanforderungen
This European Standard was approved by CEN on 27 June 2015.

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

CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2015 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 1539:2015 E
worldwide for CEN national Members.

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SIST EN 1539:2016
EN 1539:2015 (E)
Contents Page
European foreword . 5
Introduction . 7
1 Scope . 8
2 Normative references . 8
3 Terms and definitions . 10
4 Significant hazards . 16
5 Safety requirements and/or protective measures . 22
5.1 General . 22
5.2 Safety requirements against mechanical hazards . 22
5.2.1 Shearing, crushing, drawing-in . 22
5.2.2 Means of escape . 22
5.2.3 Safety requirements against slip and fall hazards . 23
5.3 Safety requirements against electrical hazards . 23
5.3.1 General . 23
5.3.2 Electrical equipment . 23
5.3.3 External influences on the electrical equipment . 23
5.4 Safety requirements against thermal hazards . 23
5.5 Safety requirements against noise hazards. 24
5.6 Safety requirements against radiation hazards . 24
5.7 Safety requirements against health hazardous substances . 25
5.8 Fire protection and prevention . 25
5.8.1 General . 25
5.8.2 Materials and construction . 25
5.8.3 Heating systems . 26
5.8.4 Prevention of ignition by hot surfaces . 26
5.8.5 Prevention of ignition by overheating . 26
5.8.6 Prevention of auto-ignition . 26
5.9 Explosion protection and prevention requirements . 27
5.9.1 General . 27
5.9.2 Type A-dryers . 27
5.9.3 Type B-dryers . 33
5.10 Control systems . 38
5.10.1 General . 38
5.10.2 Requirements for type A-dryers . 38
5.10.3 Requirements for type B-dryers . 41
6 Verification of the safety requirements and/or measures . 43
7 Information for use . 45
7.1 General . 45
7.2 Instruction handbook . 46
7.2.1 General . 46
7.2.2 Information related to installation . 47
7.2.3 Information related to operation . 47
7.2.4 Information related to maintenance . 48
7.3 Marking . 49
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SIST EN 1539:2016
EN 1539:2015 (E)
Annex A (normative) Basis for air flow calculation of chamber dryers and continuous flow
dryers . 50
A.1 Calculation basis for chamber dryers . 50
A.1.1 General . 50
A.1.2 Calculation of chamber dryers in case of rapid evaporation - Method A . 50
A.1.3 Determination in case of slow evaporation – Method B . 54
A.2 Calculation basis for continuous flow dryers . 55
Annex B (informative) Examples of calculation . 57
B.1 Chamber dryers . 57
B.1.1 Example 1: Calculation of the required minimum exhaust flow (see 3.20) . 57
B.1.2 Example 2: Calculation of the maximum admissible amount of varnish. 58
B.2 Continuous flow dryers . 60
B.2.1 Example 3: Calculation of the minimum exhaust flow rate . 60
B.2.2 Example 4: Calculation of the minimum exhaust flow rate . 62
B.2.3 Example 5: Calculation of the maximum admissible throughput of flammable
substances . 63
Annex C (normative) Concentration measurement in dryers . 65
C.1 Measurement of flammable substances . 65
C.1.1 General . 65
C.1.2 Requirements for concentration monitoring systems . 65
C.2 Monitoring of oxygen concentration . 66
C.2.1 General . 66
C.2.2 Requirements for oxygen monitoring systems . 66
Annex D (normative) Calculation of the lower explosion limit at drying temperature . 68
D.1 General . 68
D.2 Influence of temperature on the indicated value of concentration (physical
influence) . 68
D.3 Influence of the temperature of mixture on the kinetics of reaction (chemical
influence) . 69
D.4 Consideration of chemical and physical influences . 69
Annex E (normative) Explosion reliefs . 70
Annex F (informative) Sensors for measurement of the volume flow . 71
F.1 Pitot-static tubes . 71
F.2 Venturi nozzles . 71
F.3 Wind vanes and plate anemometers . 71
F.4 Hot-wire anemometers. 71
F.5 Ultrasonic anemometers . 71
F.6 Windmill anemometer . 72
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SIST EN 1539:2016
EN 1539:2015 (E)
Annex G (normative) Requirements for energy-efficiency and reduction of environmental
impact . 73
G.1 General . 73
G.2 Acquisition . 73
G.3 Production . 73
G.4 Use . 73
G.4.1 General . 73
G.4.2 Energy usage . 73
G.4.3 Minimizing of emissions to air . 74
G.4.4 Minimizing of noise emissions . 74
G.5 End of Life. 74
Annex H (informative) Guide for implementation of control system requirements for
explosion protection for type A dryers . 75
H.1 General . 75
H.2 Example for chamber dryer . 76
H.3 Example for continuous flow dryer . 77
Annex ZA (informative) Relationship between this European Standard and the Essential
Requirements of EU Directive 2006/42/EC . 80
Bibliography . 81


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SIST EN 1539:2016
EN 1539:2015 (E)
European foreword
This document (EN 1539:2015) has been prepared by Technical Committee CEN/TC 271 “Surface
treatment equipment - Safety”, 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 April 2016, and conflicting national standards shall be
withdrawn at the latest by April 2016.
This document supersedes EN 1539:2009.
This document has been prepared under a mandate given to CEN by the European Commission and the
European Free Trade Association, and supports essential requirements of the EU Directive
2006/42/EC.
For relationship with the EU Directive, see informative Annex ZA, which is an integral part of this
document.
This European Standard is part of a series of standards in the area of safety for development and
construction of machines and plants for the coating of surfaces with organic substances (paints,
lacquers and similar products).
This European Standard was prepared with contribution of the following TCs:
— TC 186 "Industrial thermoprocessing - Safety";
— TC 198 "Printing and paper machinery - Safety";
— TC 200 "Tannery machinery - Safety";
— TC 202 "Foundry machinery".
NOTE 1 Although a dryer as a whole is not subject to the ATEX Directive 94/9/EC in a formal way, this
document is based on a fundamental risk assessment according to this Directive.
NOTE 2 This European Standard is based on an explosion protection concept which does not define zones for
areas with potentially explosive atmosphere.
In relation to the previous version of the standard, the following main modifications have been made
— the scope has been adjusted to meet the fields of application of the standard;
— the requirements for safety related controls have been modified for clarification;
— guidance for implementation of safety related control systems has been included;
— requirements for monitoring of heating system have been implemented;
— requirements for type B dryers have been detailed;
— requirements for minimization of energy usage and environmental impact have been included.
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SIST EN 1539:2016
EN 1539:2015 (E)
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.
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.
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SIST EN 1539:2016
EN 1539:2015 (E)
Introduction
This document is a type C standard as stated in EN ISO 12100.
This document is of relevance in particular for the following stakeholder group representing the market
players with regard to machinery safety:
— machinery manufacturers (small, medium and large enterprises);
— health and safety bodies (regulators, accident prevention organisations, market surveillance).
The machinery concerned and the extent to which hazards, hazardous situations and hazardous events
are covered are indicated in the scope of this European 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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SIST EN 1539:2016
EN 1539:2015 (E)
1 Scope
This European Standard deals with all significant hazards, hazardous situations and hazardous events
relevant to ovens and dryers in which flammable substances are released by evaporation from and
curing of coating materials.
The specific significant risks related to the use of this machinery with foodstuff and pharmaceutical
products are not dealt with in this European Standard.
This European Standard is only applicable to machines which are used as intended and under the
conditions which are foreseeable as malfunction by the manufacturer (see Clause 4).
For ovens and dryers in which flammable substances are released by evaporation from and curing of
coating materials, in which the concentration of these flammable substances shall not, under no
circumstances, exceed 3 % of the LEL, EN 746-1 and EN 746-2 may be applied instead of this European
Standard.
This European Standard is not applicable to:
— ovens for hardening metals;
— enamelling plants;
— portable heating systems for drying (for instance infrared radiant heaters, hot-air blowers, blow-
dryers);
— solvent recovery plants;
— distillation and/or refraction plants;
— textile dry-cleaning systems.
This European Standard is not applicable to machinery manufactured before the date of its publication
as EN.
2 Normative references
The following documents, in whole or in part, are normatively referenced in this document and are
indispensable for its application. For dated references, only the edition cited applies. For undated
references, the latest edition of the referenced document (including any amendments) applies.
EN 547-1, Safety of machinery — Human body measurements — Part 1: Principles for determining the
dimensions required for openings for whole body access into machinery
EN 619, Continuous handling equipment and systems — Safety and EMC requirements for equipment for
mechanical handling of unit loads
EN 746-1, Industrial thermoprocessing equipment — Part 1: Common safety requirements for industrial
thermoprocessing equipment
EN 746-2, Industrial thermoprocessing equipment - Part 2: Safety requirements for combustion and fuel
handling systems
EN 953, Safety of machinery — Guards — General requirements for the design and construction of fixed
and movable guards
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SIST EN 1539:2016
EN 1539:2015 (E)
EN 1127-1, Explosive atmospheres - Explosion prevention and protection - Part 1: Basic concepts and
methodology
EN 12198-1:2000+A1:2008, Safety of machinery - Assessment and reduction of risks arising from
radiation emitted by machinery - Part 1: General principles
EN 12198-2, Safety of machinery — Assessment and reduction of risks arising from radiation emitted by
machinery — Part 2: Radiation emission measurement procedure
EN 12433-1, Industrial, commercial and garage doors and gates - Terminology - Part 1: Types of doors
EN 12433-2, Industrial, commercial and garage doors and gates - Terminology - Part 2: Parts of doors
EN 12445, Industrial, commercial and garage doors and gates - Safety in use of power operated doors -
Test methods
EN 12453, Industrial, commercial and garage doors and gates - Safety in use of power operated doors -
Requirements
EN 12635, Industrial, commercial and garage doors and gates — Installation and use
EN 12978, Industrial, commercial and garage doors and gates — Safety devices for power operated doors
and gates — Requirements and test methods
EN 13023, Noise measurement methods for printing, paper converting, paper making machines and
auxiliary equipment — Accuracy grades 2 and 3
EN 13463-1, Non-electrical equipment for use in potentially explosive atmospheres - Part 1: Basic method
and requirements
EN 14462, Surface treatment equipment - Noise test code for surface treatment equipment including its
ancillary handling equipment - Accuracy grades 2 and 3
EN 14994, Gas explosion venting protective systems
EN 15061, Safety of machinery — safety requirements for strip processing line machinery and equipment
EN 50104, Electrical apparatus for the detection and measurement of oxygen - Performance requirements
and test methods
EN 60079-0, Explosive atmospheres - Part 0: Equipment - General requirements (IEC 60079-0)
EN 60079-29-1, Explosive atmospheres - Part 29-1: Gas detectors - Performance requirements of detectors
for flammable gases (IEC 60079-29-1)
EN 60079-29-4, Explosive atmospheres - Part 29-4: Gas detectors - Performance requirements of open
path detectors for flammable gases (IEC 60079-29-4)
EN 60204-1:2006, Safety of machinery - Electrical equipment of machines - Part 1: General requirements
(IEC 60204-1)
EN 61000-6-2, Electromagnetic compatibility (EMC) - Part 6-2: Generic standards - Immunity for
industrial environments (IEC 61000-6-2)
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SIST EN 1539:2016
EN 1539:2015 (E)
EN 60405, Nuclear instrumentation - Constructional requirements and classification of radiometric
gauges (IEC 60405)
EN 60519-1, Safety in electroheat installations — Part 1: General requirements (IEC 60519-1)
EN 60519-6, Safety in electroheat installations - Part 6: Specifications for safety in industrial microwave
heating equipment (IEC 60519-6)
EN ISO 12100:2010, Safety of machinery - General principles for design - Risk assessment and risk
reduction (ISO 12100:2010)
EN ISO 10218-1, Robots and robotic devices - Safety requirements for industrial robots - Part 1: Robots
(ISO 10218-1)
EN ISO 10218-2, Robots and robotic devices - Safety requirements for industrial robots - Part 2: Robot
systems and integration (ISO 10218-2)
EN ISO 13732-1, Ergonomics of the thermal environment - Methods for the assessment of human
responses to contact with surfaces - Part 1: Hot surfaces (ISO 13732-1)
EN ISO 13849-1, Safety of machinery - Safety-related parts of control systems - Part 1: General principles
for design (ISO 13849-1)
EN ISO 14122-2, Safety of machinery - Permanent means of access to machinery - Part 2: Working
platforms and walkways (ISO 14122-2)
EN ISO 14122-3, Safety of machinery - Permanent means of access to machinery - Part 3: Stairs,
stepladders and guard-rails (ISO 14122-3)
EN ISO 14122-4, Safety of machinery — Permanent means of access to machinery — Part 4: Fixed ladders
(ISO 14122-4)
ISO 19353, Safety of machinery — Fire prevention and protection
3 Terms and definitions
For the purposes of this document the terms and definitions given in EN ISO 12100 and the following
apply.
3.1
dryer
oven
machine in which, by a drying process, flammable substances are released by evaporation and curing
Note 1 to entry: See 3.7 for the definition of drying process.
3.2
chamber dryer
dryer in which the temperature of workpieces and the concentration of flammable substances are a
function of time
Note 1 to entry: Uniform temperature distribution is intended in the effective volume. This dryer is typically
loaded in batches.
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SIST EN 1539:2016
EN 1539:2015 (E)
3.3
continuous flow dryer
dryer in which the temperature of workpieces and the concentration of flammable substances are a
function of location
Note 1 to entry: This dryer may be subdivided into several sections with specific temperature and forced
ventilation. Uniform temperature distribution is intended in the effective volume of sections. This dryer is
typically loaded continuously or quasi continuously.
3.4
accessible dryer
dryer in which provision is made for the presence of persons inside the dryer during normal operation
3.5
type A-dryer
dryer in which by design, the concentra
...