ISO 13577-1:2016
(Main)Industrial furnaces and associated processing equipment — Safety — Part 1: General requirements
Industrial furnaces and associated processing equipment — Safety — Part 1: General requirements
ISO 13577-1:2016 the general safety requirements common to industrial furnaces and associated processing equipment (TPE). ISO 13577-1:2016 deals with the significant hazards, hazardous situations or hazardous events relevant to TPE, as listed in Annex A, when TPE is used as intended and also under conditions of misuse that are reasonably foreseeable by the manufacturer. Annex B provides a list of common industrial furnaces and associated processing equipment. This document specifies the requirements intended to be met by the manufacturer to ensure the safety of persons and property during commissioning, start-up, operation, shut-down, maintenance periods and dismantling, as well as in the event of foreseeable faults or malfunctions that can occur in the equipment. These general safety requirements apply to all TPE, unless an exception is given in other parts of ISO 13577 dealing with specific equipment. The provisions of other parts of ISO 13577 that directly apply to specific types of TPE take precedence over the provisions of this document. ISO 13577-1:2016 is not applicable to blast furnaces, converters (in steel plants), boilers or equipment not covered under ISO 12100.
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INTERNATIONAL ISO
STANDARD 13577-1
Second edition
2016-09-01
Industrial furnaces and associated
processing equipment — Safety —
Part 1:
General requirements
Fours industriels et équipements associés — Sécurité —
Partie 1: Exigences générales
Reference number
ISO 13577-1:2016(E)
©
ISO 2016
---------------------- Page: 1 ----------------------
ISO 13577-1:2016(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO 2016, Published in Switzerland
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form
or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior
written permission. Permission can be requested from either ISO at the address below or ISO’s member body in the country of
the requester.
ISO copyright office
Ch. de Blandonnet 8 • CP 401
CH-1214 Vernier, Geneva, Switzerland
Tel. +41 22 749 01 11
Fax +41 22 749 09 47
copyright@iso.org
www.iso.org
ii © ISO 2016 – All rights reserved
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ISO 13577-1:2016(E)
Contents Page
Foreword .v
Introduction .vi
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 2
4 Safety requirements and/or protective measures . 2
4.1 General . 2
4.1.1 Requirements . 2
4.1.2 General design and construction requirements . 2
4.2 Mechanical safety. 4
4.2.1 General. 4
4.2.2 Crushing . 5
4.2.3 Shearing . 5
4.2.4 Entanglement. 5
4.2.5 Drawing-in. 5
4.2.6 Impact . 5
4.2.7 High-pressure fluid ejection . 6
4.2.8 Ejection of parts . 6
4.2.9 Slip/trip . 6
4.2.10 Falls . 6
4.2.11 Transport . 6
4.3 Electrical safety . 7
4.3.1 Electrical equipment of TPE . 7
4.3.2 Electroheat installations/equipment . 7
4.4 Thermal and cryogenic safety . 8
4.4.1 General. 8
4.4.2 Contact with hot/cold surfaces . 8
4.4.3 Fire/explosion . 8
4.4.4 Ejection of hot particles, work pieces and process liquids . 9
4.4.5 Thermal stress and other physiological effects . 9
4.5 Noise .10
4.5.1 General.10
4.5.2 Interference with communications .10
4.6 Vibration .10
4.7 Radiation safety .11
4.7.1 General.11
4.7.2 Non-ionizing radiation . .11
4.7.3 Ionizing radiation .11
4.8 Materials and substances processed, used or exhausted .12
4.8.1 General.12
4.8.2 Harmful by-products .12
4.8.3 Fire/explosion .12
4.9 Ergonomics .12
4.10 Hazard combination .13
4.11 Malfunction .13
4.11.1 Failure of power supply and auxiliary fluids .13
4.11.2 Errors of fitting/assembly during installation .13
4.11.3 Effect of malfunctions of the control system/component safety devices .13
4.12 Missing and incorrectly fitted safety devices .13
4.12.1 General.13
4.12.2 Power supply disconnection devices .13
5 Verification .14
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ISO 13577-1:2016(E)
6 Information for use .16
6.1 General requirements .16
6.2 Location and nature of the information for use .17
6.3 Signals and warning devices .17
6.3.1 General.17
6.3.2 Marking .17
6.3.3 Personnel protection .18
6.3.4 Warning signs .18
6.4 Instruction handbooks/manuals .18
Annex A (informative) List of significant hazards.20
Annex B (informative) List of common industrial furnaces and associatedprocessing equipment 29
Annex C (informative) Typical test report .33
Annex D (informative) Work-permit authorization .35
Annex E (informative) Information specific to Japan .37
Annex F (informative) Requirements specific to the USA .38
Annex G (informative) Requirements specific to the EU and associated countries .40
Annex H (informative) Requirements specific to Canada .42
Annex I (informative) Requirements specific to China .43
Bibliography .44
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ISO 13577-1:2016(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.
The procedures used to develop this document and those intended for its further maintenance are
described in the ISO/IEC Directives, Part 1. In particular the different approval criteria needed for the
different types of ISO documents should be noted. This document was drafted in accordance with the
editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives).
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. Details of
any patent rights identified during the development of the document will be in the Introduction and/or
on the ISO list of patent declarations received (see www.iso.org/patents).
Any trade name used in this document is information given for the convenience of users and does not
constitute an endorsement.
For an explanation on the meaning of ISO specific terms and expressions related to conformity assessment,
as well as information about ISO’s adherence to the World Trade Organization (WTO) principles in the
Technical Barriers to Trade (TBT) see the following URL: www.iso.org/iso/foreword.html.
The committee responsible for this document is ISO/TC 244, Industrial furnaces and associated
processing equipment.
This second edition cancels and replaces the first edition (ISO 13577-1:2012), which has been technically
revised. The following changes have been made:
— reconfiguration of the scope (no technical change);
— elimination of the requirements related to the implosion hazard;
— reconfiguration of the requirements related to electrical safety as the following:
— the referenced safety requirements for electrical equipment of industrial furnaces and
associated processing equipment (TPE) are integrated to IEC 60204-1 (referencing IEC 60519
series was eliminated);
— referencing ISO 13577-4 for the requirements of protective systems (safety related control
systems) was introduced;
— independent subclause for the electroheat installations where electrical energy is directly used
as the heating energy was established;
— associated changes were made in Table 1 in regards to the changes in 4.3;
— change of title of regional Annex E from “Requirements specific to Japan” to “Information specific to
Japan” and modification of its content;
— addition of regional Annex H specific to Canada;
— other editorial changes.
A list of all parts in the ISO 13577 series can be found on the ISO website.
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ISO 13577-1:2016(E)
Introduction
This document is a type-C standard as stated in ISO 12100.
The machinery concerned and the extent to which hazards, hazardous situations or hazardous events
are covered are indicated in the scope of this document.
When requirements of this type-C standard are different from those which are stated in type-A or -B
standards, the requirements of this type-C standard take precedence over the requirements of the
other standards for machines that have been designed and built according to the requirements of this
type-C standard.
Industrial furnaces and associated processing equipment (TPE) generally consists of the following
components:
— processing chambers (e.g. steel construction with lining or without lining);
— heating systems;
— protective system;
— control and instrumentation system/operator-control level.
This document gives additional requirements for TPE in certain countries or regions. When applying
the requirements specific to a country or region, which are given in the relevant annexes, it is essential
that a level of safety be ensured that is at least equivalent to that provided for by the requirements of
the main body of this document.
vi © ISO 2016 – All rights reserved
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INTERNATIONAL STANDARD ISO 13577-1:2016(E)
Industrial furnaces and associated processing
equipment — Safety —
Part 1:
General requirements
1 Scope
This document specifies the general safety requirements common to industrial furnaces and associated
processing equipment (TPE).
This document deals with the significant hazards, hazardous situations or hazardous events relevant
to TPE, as listed in Annex A, when TPE is used as intended and also under conditions of misuse that are
reasonably foreseeable by the manufacturer.
Annex B provides a list of common industrial furnaces and associated processing equipment.
This document specifies the requirements intended to be met by the manufacturer to ensure the safety
of persons and property during commissioning, start-up, operation, shut-down, maintenance periods
and dismantling, as well as in the event of foreseeable faults or malfunctions that can occur in the
equipment.
These general safety requirements apply to all TPE, unless an exception is given in other parts of
ISO 13577 dealing with specific equipment. The provisions of other parts of ISO 13577 that directly
apply to specific types of TPE take precedence over the provisions of this document.
This document is not applicable to blast furnaces, converters (in steel plants), boilers or equipment not
covered under ISO 12100.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements 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 12100:2010, Safety of machinery — General principles for design — Risk assessment and risk reduction
ISO 13577-2:2014, Industrial furnaces and associated processing equipment — Safety — Part 2: Combustion
and fuel handling systems
1)
ISO 13577-3 , Industrial furnaces and associated processing equipment — Safety — Part 3: Generation
and use of protective and reactive atmosphere gases
ISO 13577-4, Industrial furnaces and associated processing equipment — Safety — Part 4: Protective systems
ISO 13732-1, Ergonomics of the thermal environment — Methods for the assessment of human responses to
contact with surfaces — Part 1: Hot surfaces
ISO 13850, Safety of machinery — Emergency stop function — Principles for design
ISO 13854, Safety of machinery — Minimum gaps to avoid crushing of parts of the human body
1) Under preparation. Stage at the time of publication: ISO/FDIS 13577-3:2016.
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ISO 13577-1:2016(E)
ISO 14119, Safety of machinery — Interlocking devices associated with guards — Principles for design and
selection
ISO 14120, Safety of machinery — Guards — General requirements for the design and construction of fixed
and movable guards
ISO 14122-2, Safety of machinery — Permanent means of access to machinery — Part 2: Working platforms
and walkways
ISO 14122-3, Safety of machinery — Permanent means of access to machinery — Part 3: Stairs, stepladders
and guard-rails
IEC 60079-0, Explosive atmospheres — Part 0: Equipment — General requirements
IEC 60204-1:2009, Safety of machinery — Electrical equipment of machines — Part 1: General requirements
IEC 60519 (all parts), Safety in electroheat installations
IEC 60825-1, Safety of laser products — Part 1: Equipment classification and requirements
IEC 62598, Nuclear instrumentation — Constructional requirements and classification of radiometric gauges
EN 1547, Industrial thermoprocessing equipment — Noise test code for industrial thermoprocessing
equipment including its ancillary handling equipment
3 Terms and definitions
For the purposes of this document, the terms and definitions given in ISO 12100 and ISO 13574 apply.
ISO and IEC maintain terminological databases for use in standardization at the following addresses:
— IEC Electropedia: available at http://www.electropedia.org/
— ISO Online browsing platform: available at http://www.iso.org/obp
4 Safety requirements and/or protective measures
4.1 General
4.1.1 Requirements
The TPE shall comply with the safety requirements and/or protective measures described in Clause 4
and shall be verified in accordance with Clause 5. In addition, the TPE shall be designed in accordance
with the principles of ISO 12100 for relevant hazards, but not significant hazards, which are dealt with
by this document.
Anticipated significant hazards are listed in Table A.1.
For ease of reference, Table A.1 also indicates the corresponding preventive measures and should be
used in conjunction with Clauses 4, 5 and 6.
Where particular requirements of the other parts of ISO 13577 apply, they shall supplement or modify
these general safety requirements.
For regional requirements, see Annexes E, F, G, H and I.
4.1.2 General design and construction requirements
The manufacturer shall maintain evidence that all safety requirements of the design have been fulfilled.
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ISO 13577-1:2016(E)
The structural assembly, steel sections, auxiliaries and services (utilities) that form part of the TPE
shall be stable and suitable for function and the intended use.
In particular, the design shall include solutions and constructional details relating to the following:
— static stability of the TPE, including structures intended for containing the processed materials and
the materials entering and leaving the TPE;
— accessibility;
— maintenance and cleaning clearances;
— movement of material and machinery;
— safety in operation;
— health and safety at the workplace;
— protection against fire and prevention of explosion;
— emissions from the process;
— protection against earthquakes where seismic intensity exceeds 325 gal, as determined by the
seismic zone.
Cut-off, regulating and measuring devices, pipework and tanks carrying or containing fluids, which are
likely to solidify and/or have high viscosity, shall be protected against the effects of solidification and
subsequent blockage.
If internal parts of the TPE require frequent inspection, they shall be either provided with lighting
appropriate to the structure and the nature of the process or the user shall be advised to install suitable
lighting.
The design of the TPE and the action of the regulating and safety devices shall prevent
a) unintended release of flammable or hazardous fluids to the outside of the TPE,
b) a backflow of flammable or hazardous fluids to pipes not intended for such fluids, and
c) flashback in the pipework.
The safety devices shall
— be suitable for the range of adjustment required for the regulation of the TPE, and
— not cause one device inadvertently to over-ride another.
Safety devices shall be fitted in such a manner that they are accessible and protected against harmful
effects. In particular, they shall withstand continuous operation in the area in which they are to be
used. Auxiliary fluids, such as lubricants, dielectric, diathermic and dynamic fluids, shall be selected to
minimize the hazard of their products of combustion resulting from a fire.
Drains that form part of the TPE shall discharge into a suitably isolated sump. Means shall be provided
for the collection and removal of such discharges.
Pipework distribution systems forming part of the TPE shall be designed to withstand corrosion.
Pipework distribution systems that form part of the equipment and can become dangerous if subjected
to extreme temperatures or pressures, wide variations in temperature or pressures, or voltage shall
be marked.
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ISO 13577-1:2016(E)
4.1.2.1 Stability
The TPE structures shall be designed to withstand their static and dynamic loads. The TPE shall be
designed for normal and foreseeable accidental thermal static and dynamic working stresses, including
those resulting from overpressurization or operation below atmospheric pressure.
The design shall also take account of vibration, wind pressure, impact and other foreseeable external
forces, including earthquakes.
4.1.2.2 Access
All parts of the TPE that need to be accessed by personnel for operation and maintenance shall be
served by adequate means of access, preferably fixed. Stairways, platforms and service floors shall be
safe and shall be equipped with adequate safeguards (see 4.2.10). Inspection and service floors of the
TPE shall be safe, well lit, well ventilated, protected against heat radiation and be fire-resistant (see
4.4.3.1).
Account shall be taken of the need for emergency escape routes to avoid the trapping of personnel in
the event of hazardous situations (such as fire or the buildup of toxic gases).
4.1.2.3 Roofs and covers
Where the roofs or covers of the TPE (e.g. ceramic kilns or melting TPE) have been designed to be
walked on, they shall be accessible by a safe means.
Roofs or covers to which access is not intended shall be marked and designated as not accessible and
shall be adequately guarded to prevent access.
Roofs or covers that have to be walked on for operating, maintenance and inspection purposes and
that are more than 1 m above floor level shall be accessible through safe ascents and shall be fitted
with railings to prevent falls. Where the heat source is located in the roof, for example in the ceramics
or glass industry, one escape route shall be available in front of, and one behind, the firing zone, one of
which shall be a stairway. For design requirements, see 4.1.2.4.
4.1.2.4 Access channels and stairs
In general, the design of access channels and stairs shall be in accordance with ISO 14122-2 and
ISO 14122-3. For channels intended for repair purposes below tunnel furnaces or kilns, the unobstructed
passage way shall be at least 1,80 m high by 0,70 m wide, and shall be accessible through two stairways,
one of which shall be in front of, and the other behind the firing zone. If the stairways are in the area of
the firing zone, emergency exits shall be available in front of, and behind, the firing zone.
4.2 Mechanical safety
4.2.1 General
The design shall be such as to avoid injury by movement of the machinery parts of the TPE, by crushing,
shearing, entanglement, drawing-in or impact. It shall also prevent hazardous situations arising where
high-pressure fluids are used or where parts of the TPE and processed material are liable to be ejected.
The stability of the TPE during operation and the safety of the access areas around the TPE shall also be
considered.
Where the construction of the TPE includes
— corners and projections,
— passages of reduced height, and
— manhole covers, drains, etc.
4 © ISO 2016 – All rights reserved
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ISO 13577-1:2016(E)
they shall be protected and marked in such a way as to minimize the hazard.
Emergency stop devices
...
DRAFT INTERNATIONAL STANDARD
ISO/DIS 13577-1
ISO/TC 244 Secretariat: JISC
Voting begins on: Voting terminates on:
2015-04-23 2015-07-23
Industrial furnaces and associated processing
equipment — Safety —
Part 1:
General requirements
Fours industriels et équipements associés — Sécurité —
Partie 1: Exigences générales
ICS: 13.100; 25.180.01
THIS DOCUMENT IS A DRAFT CIRCULATED
FOR COMMENT AND APPROVAL. IT IS
THEREFORE SUBJECT TO CHANGE AND MAY
NOT BE REFERRED TO AS AN INTERNATIONAL
STANDARD UNTIL PUBLISHED AS SUCH.
IN ADDITION TO THEIR EVALUATION AS
BEING ACCEPTABLE FOR INDUSTRIAL,
TECHNOLOGICAL, COMMERCIAL AND
USER PURPOSES, DRAFT INTERNATIONAL
STANDARDS MAY ON OCCASION HAVE TO
BE CONSIDERED IN THE LIGHT OF THEIR
POTENTIAL TO BECOME STANDARDS TO
WHICH REFERENCE MAY BE MADE IN
Reference number
NATIONAL REGULATIONS.
ISO/DIS 13577-1:2015(E)
RECIPIENTS OF THIS DRAFT ARE INVITED
TO SUBMIT, WITH THEIR COMMENTS,
NOTIFICATION OF ANY RELEVANT PATENT
RIGHTS OF WHICH THEY ARE AWARE AND TO
©
PROVIDE SUPPORTING DOCUMENTATION. ISO 2015
---------------------- Page: 1 ----------------------
ISO/DIS 13577-1:2015(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO 2015
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form
or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior
written permission. Permission can be requested 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 2015 – All rights reserved
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ISO/DIS 13577-1:2015(E)
Contents Page
Foreword .v
Introduction .vi
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 2
4 Safety requirements and/or protective measures . 2
4.1 General . 2
4.1.1 Requirements . 2
4.1.2 General design and construction requirements . 2
4.2 Mechanical safety. 4
4.2.1 General. 4
4.2.2 Crushing . 5
4.2.3 Shearing . 5
4.2.4 Entanglement. 5
4.2.5 Drawing-in. 5
4.2.6 Impact . 5
4.2.7 High-pressure fluid ejection . 6
4.2.8 Ejection of parts . 6
4.2.9 Slip/trip . 6
4.2.10 Falls . 6
4.2.11 Transport . 6
4.3 Electrical safety . 6
4.3.1 Electrical equipment of TPE . 6
4.3.2 Electroheat installations/equipment . 7
4.4 Thermal and cryogenic safety . 7
4.4.1 General. 7
4.4.2 Contact with hot/cold surfaces . 7
4.4.3 Fire/explosion . 8
4.4.4 Ejection of hot particles, work pieces and process liquids . 9
4.4.5 Thermal stress and other physiological effects . 9
4.5 Noise . 9
4.5.1 General. 9
4.5.2 Interference with communications .10
4.6 Vibration .10
4.7 Radiation safety .10
4.7.1 General.10
4.7.2 Non-ionizing radiation . .10
4.7.3 Ionizing radiation .11
4.8 Materials and substances processed, used or exhausted .11
4.8.1 General.11
4.8.2 Harmful by-products .11
4.8.3 Fire/explosion .11
4.9 Ergonomics .12
4.10 Hazard combination .12
4.10.1 General.12
4.11 Malfunction .12
4.11.1 Failure of power supply and auxiliary fluids .12
4.11.2 Errors of fitting/assembly during installation .12
4.11.3 Effect of malfunction of control system/component safety devices .12
4.12 Missing and incorrectly fitted safety devices .13
4.12.1 General.13
4.12.2 Power supply disconnection devices .13
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ISO/DIS 13577-1:2015(E)
5 Verification .13
6 Information for use .16
6.1 General requirements .16
6.2 Location and nature of the information for use .17
6.3 Signals and warning devices .17
6.3.1 General.17
6.3.2 Marking .18
6.3.3 Personnel protection .18
6.3.4 Warning signs .18
6.4 Instruction handbook(s)/installation, commissioning, operation, maintenance, and de-
commissioning manual(s) .18
Annex A (informative) List of significant hazards.20
Annex B (informative) List of common industrial furnaces and
associatedprocessing equipment .29
Annex C (informative) Typical test report .33
Annex D (informative) Work-permit authorization .35
Annex E (normative) Requirements specific to Japan .36
Annex F (normative) Requirements specific to the USA .38
Annex G (normative) Requirements specific to the EU and associated countries .40
Annex H (normative) Requirements specific to Canada .42
Bibliography .43
iv © ISO 2015 – All rights reserved
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ISO/DIS 13577-1:2015(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.
The procedures used to develop this document and those intended for its further maintenance are
described in the ISO/IEC Directives, Part 1. In particular the different approval criteria needed for the
different types of ISO documents should be noted. This document was drafted in accordance with the
editorial rules of the ISO/IEC Directives, Part 2. www.iso.org/directives
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. Details of any
patent rights identified during the development of the document will be in the Introduction and/or on
the ISO list of patent declarations received. www.iso.org/patents
Any trade name used in this document is information given for the convenience of users and does not
constitute an endorsement.
For an explanation on the meaning of ISO specific terms and expressions related to conformity
assessment, as well as information about ISO’s adherence to the WTO principles in the Technical Barriers
to Trade (TBT), see the following URL: Foreword - Supplementary information
The committee responsible for this document is ISO/TC 244, Industrial furnaces and associated
processing equipment.
ISO 13577 consists of the following parts, under the general title Industrial furnaces and associated
processing equipment — Safety:
Part 1: General requirements
Part 2: Combustion and fuel handling systems
Part 3: Generation and use of protective and reactive gases
Part 4: Protective systems
Part 11: Requirements for machinery and equipment for production of steel by electric arc furnaces
© ISO 2015 – All rights reserved v
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ISO/DIS 13577-1:2015(E)
Introduction
This document is a type-C standard as stated in ISO 12100.
The machinery concerned and the extent to which hazards, hazardous situations or hazardous events
are covered are indicated in the Scope of this document.
When requirements of this type-C standard are different from those which are stated in type-A or -B
standards, the requirements of this type-C standard take precedence over the requirements of the
other standards for machines that have been designed and built according to the requirements of this
type-C standard.
Industrial furnaces and associated processing equipment (TPE) generally consists of the following
components:
processing chambers (e.g. steel construction with lining or without lining);
heating systems;
protective system;
control and instrumentation system/operator-control level.
This part of ISO 13577 gives additional requirements for TPE in certain countries or regions. When
applying the requirements specific to a country or region, which are given in the relevant annexes,
it is essential that a level of safety be ensured that is at least equivalent to that provided for by the
requirements of the main body of this part of ISO 13577.
vi © ISO 2015 – All rights reserved
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DRAFT INTERNATIONAL STANDARD ISO/DIS 13577-1:2015(E)
Industrial furnaces and associated processing
equipment — Safety —
Part 1:
General requirements
1 Scope
This part of ISO 13577 specifies the general safety requirements common to industrial furnaces and
associated processing equipment (TPE).
This part of ISO 13577 deals with the significant hazards, hazardous situations or hazardous events
relevant to TPE that are listed in Annex A, when it is used as intended and under conditions of misuse
which are reasonably foreseeable by the manufacturer.
Annex B provides a list of common industrial furnaces and associated processing equipment.
This part of ISO 13577 specifies the requirements intended to be met by the manufacturer to ensure
the safety of persons and property during commissioning, start-up, operation, shut-down, maintenance
periods and dismantling, as well as in the event of foreseeable faults or malfunctions which can occur
in the equipment.
These general safety requirements apply to all TPE, unless an exception in other parts of ISO 13577
dealing with specific equipment. The provisions of other parts of ISO 13577 that directly apply to
specific types of TPE take precedence over the provisions of this part of ISO 13577.
This part of ISO 13577 is not applicable to blast furnaces, converters (in steel plants), boilers or equipment
not covered under ISO 12100.
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 12100, Safety of machinery — General principles for design — Risk assessment and risk reduction
ISO 13574, Industrial furnaces and associated processing equipment — Vocabulary
ISO 13732-1, Ergonomics of the thermal environment — Methods for the assessment of human responses to
contact with surfaces — Part 1: Hot surfaces
ISO 13850, Safety of machinery — Emergency stop — Principles for design
ISO 13854, Safety of machinery — Minimum gaps to avoid crushing of parts of the human body
ISO 14119, Safety of machinery — Interlocking devices associated with guards — Principles for design
and selection
ISO 14120, Safety of machinery ― Guards — General requirements for the design and construction of fixed
and movable guards
ISO 14122-2, Safety of machinery — Permanent means of access to machinery — Part 2: Working
platforms and walkways
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ISO/DIS 13577-1:2015(E)
ISO 14122-3, Safety of machinery — Permanent means of access to machinery — Part 3: Stairs, stepladders
and guard-rails
IEC 60079-0, Explosive atmospheres — Part 0: Equipment — General requirements
IEC 60204-1:2009, Safety of machinery — Electrical equipment of machines — Part 1: General requirements
IEC 60364-4-41, Low-voltage electrical installations — Part 4-41: Protection for safety — Protection
against electric shock
IEC 60364-4-43, Low-voltage electrical installations — Part 4-43: Protection for safety — Protection
against overcurrent
IEC 60364-4-44, Low-voltage electrical installations — Part 4-44: Protection for safety — Protection
against voltage disturbances and electromagnetic disturbances
IEC 60364-5-53, Electrical installations of buildings — Part 5-53: Selection and erection of electrical
equipment - Isolation, switching and control
IEC 60519 (all parts), Safety in electroheat installations
IEC 60825-1, Safety of laser products — Part 1: Equipment classification and requirements
IEC 62598, Nuclear instrumentation — Constructional requirements and classification of radiometric gauges
EN 1547, Industrial thermoprocessing equipment — Noise test code for industrial thermoprocessing
equipment including its ancillary handling equipment
3 Terms and definitions
For the purposes of this document, the terms and definitions given in ISO 12100 and ISO 13574 apply.
4 Safety requirements and/or protective measures
4.1 General
4.1.1 Requirements
The TPE shall comply with the safety requirements and/or protective measures and be verified in
accordance with Clause 5. In addition, the TPE shall be designed in accordance with the principles of
ISO 12100 for hazards relevant, but not significant, which are dealt with by this part of ISO 13577.
Anticipated significant hazards are listed in Table A.1.
For ease of reference, Table A.1 also indicates the corresponding preventive measures and should be
used in conjunction with Clauses 4, 5 and 6.
Where particular requirements of the other parts of ISO 13577 apply, they shall supplement or modify
these general safety requirements.
For regional requirements, see Annexes E, F and G.
4.1.2 General design and construction requirements
The manufacturer shall maintain evidence that all safety requirements of the design have been fulfilled.
The structural assembly, steel sections, auxiliaries and services (utilities) which form part of the TPE
shall be stable, suitable for function and the intended use.
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ISO/DIS 13577-1:2015(E)
In particular, the design shall include solutions and constructional details relating to:
static stability of the TPE, including structures intended for containing the processed materials and the
materials entering and leaving the TPE;
accessibility;
maintenance and cleaning clearances;
movement of material and machinery;
safety in operation;
health and safety at the workplace;
protection against fire and prevention of explosion;
emissions from the process;
protection against earthquakes where seismic intensity exceeds 325 gal, as determined by the seismic zone.
Cut-off, regulating and measuring devices, pipework and tanks carrying or containing fluids, which are
likely to solidify and/or have high viscosity, shall be protected against the effects of solidification and
subsequent blockage.
If internal parts of the TPE require frequent inspection, they shall be either provided with lighting appropriate
to the structure and the nature of the process or the user shall be advised to install suitable lighting.
The design of the TPE and the action of the regulating and safety devices shall prevent:
a) unintended release of flammable or hazardous fluids to the outside of the TPE;
b) a backflow of flammable or hazardous fluids to pipes not intended for such fluids;
c) flashback in the pipework.
The safety devices shall:
be suitable for the range of adjustment required for the regulation of the TPE;
not cause one device inadvertently to over-ride another.
Safety devices shall be fitted in such a manner that they are accessible and protected against harmful
effects. In particular, they shall withstand continuous operation in the area in which they are to be
used. Auxiliary fluids, such as lubricants, dielectric, diathermic and dynamic fluids, shall be selected to
minimize the hazard of their products of combustion resulting from a fire.
Drains that form part of the TPE shall discharge into a suitably isolated sump. Means shall be provided
for the collection and removal of such discharges.
Pipework distribution systems forming part of the TPE shall be designed to withstand corrosion.
Pipework distribution systems, which form part of the equipment and can become dangerous if
subjected to extreme temperatures or pressures, wide variations in temperature or pressures, or
voltage, shall be marked.
4.1.2.1 Stability
The TPE structures shall be designed to withstand their static and dynamic loads. The TPE shall be
designed for normal and foreseeable accidental thermal static and dynamic working stresses, including
those resulting from overpressurization or operation below atmospheric pressure.
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ISO/DIS 13577-1:2015(E)
The design shall also take account of vibration, wind pressure, impact and other foreseeable external
forces, including earthquakes.
4.1.2.2 Access
All parts of the TPE to which personnel require to have access for operation and maintenance shall be
served by adequate means of access, preferably fixed. Stairways, platforms and service floors shall be
safe and shall be equipped with adequate safeguards (see 4.2.11). Inspection and service floors of the TPE
shall be safe, well lit, well ventilated, protected against heat radiation and be fire-resistant (see 4.4.3.1).
Account shall be taken of the need for emergency escape routes to avoid the trapping of personnel in the
event of hazardous situations (such as fire or the build up of toxic gases).
4.1.2.3 Roofs and covers
Where the roofs or covers of TPE (e.g. ceramic kilns or melting TPE) have been designed to be walked
on, they shall be accessible by a safe means.
Roofs or covers, to which access is not intended, shall be marked and designated as not accessible or
shall be adequately guarded to prevent access.
Roofs or covers, which have to be walked on for operating, maintenance and inspection purposes and
which are more than 1 m above floor level, shall be accessible through safe ascents and shall be fitted
with railings to prevent falls. Where the heat source is located in the roof, for example in the ceramics
or glass industry, one escape route shall be available in front of, and one behind, the firing zone, one of
which shall be a stairway. For design requirements, see 4.1.3.4.
4.1.2.4 Access channels and stairs
In general, the design of access channels and stairs shall be in accordance with ISO 14122-2 and
ISO 14122-3. For channels intended for repair purposes below tunnel furnaces or kilns the unobstructed
passage way shall be at least 1,80 m high by 0,70 m wide, and be accessible through two stairways, one
of which shall be in front of, and the other behind, the firing zone. If the stairways are in the area of the
firing zone, emergency exits shall be available in front of, and behind, the firing zone.
4.2 Mechanical safety
4.2.1 General
The design shall be such as to avoid injury by movement of machinery parts of TPE, by crushing, shearing,
entanglement, drawing-in or impact. It shall also prevent hazardous situations arising where high pressure
fluids are used or where parts of TPE and processed material are liable to be ejected. The stability of the
TPE during operation and the safety of the access areas around the TPE shall also be considered.
Where the construction of the TPE includes
corners and projections,
passages of reduced height,
manhole covers, drains, etc.
they shall be protected and marked in such a way as to minimize the hazard.
Emergency stop devices shall be in accordance with ISO 13850.
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