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BS EN 1127-1:2019

Current
Current

The latest, up-to-date edition.

Explosive atmospheres. Explosion prevention and protection Basic concepts and methodology
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

18-10-2019

This document specifies methods for the identification and assessment of hazardous situations leading to explosion and the design and construction measures appropriate for the required safety.

This document specifies methods for the identification and assessment of hazardous situations leading to explosion and the design and construction measures appropriate for the required safety. This is achieved by: risk assessment; risk reduction. The safety of equipment, protective systems and components can be achieved by eliminating hazards and/or limiting the risk, i.e. by: appropriate design (without using safeguarding); safeguarding; information for use; any other preventive measures. Measures in accordance with a) (prevention) and b) (protection) against explosions are dealt with in ClauseÂÂ6, measures according to c) against explosions are dealt with in ClauseÂÂ7. Measures in accordance with d) are not specified in this document. They are dealt with in ENÂÂISOÂÂ12100:2010,ÂÂClause Â6.The preventive and protective measures described in this document will not provide the required level of safety unless the equipment, protective systems and components are operated within their intended use and are installed and maintained according to the relevant codes of practice or requirements.This document specifies general design and construction methods to help designers and manufacturers in achieving explosion safety in the design of equipment, protective systems and components.This document is applicable to any equipment, protective systems and components intended to be used in potentially explosive atmospheres, under atmospheric conditions. These atmospheres can arise from flammable/combustible substances processed, used or released by the equipment, protective systems and components or from materials in the vicinity of the equipment, protective systems and components and/or from the materials of construction of the equipment, protective systems and components.This document is applicable to equipment, protective systems and components at all stages of its use.This document is only applicable to equipment group II which is intended for use in other places than underground parts of mines and those parts of surface installations of such mines endangered by firedamp and/or combustible dust.This document is not applicable to: medical devices intended for use in a medical environment; equipment, protective systems and components where the explosion hazard results exclusively from the presence of explosive substances or unstable chemical substances; equipment, protective systems and components where the explosion can occur by reaction of substances with other oxidizers than atmospheric oxygen or by other hazardous reactions or by other than atmospheric conditions; equipment intended for use in domestic and non-commercial environments where potentially explosive atmospheres may only rarely be created, solely as a result of the accidental leakage of fuel gas; personal protective equipment covered by Regulation (EU) Â2016/425; seagoing vessels and mobile offshore units together with equipment on board such vessels or units; means of transport, i.e. vehicles and their trailers intended solely for transporting passengers by air or by road, rail or water networks, as well as means of transport insofar as such means are designed for transporting goods by air, by public road or rail networks or by water; vehicles intended for use in a potentially explosive atmosphere shall not be excluded; the design and construction of systems containing desired, controlled combustion processes, unless they can act as ignition sources in potentially explosive atmospheres.

Committee
EXL/23
DocumentType
Standard
ISBN
978 0 580 51245 2
Pages
50
ProductNote
THIS STANDARD ALSO REFERS TO IEC/TS 60079-40
PublisherName
British Standards Institution
Status
Current
Supersedes

Standards Relationship
EN 1127-1:2019 Identical

IEC 60079-1:2014 RLV Explosive atmospheres - Part 1: Equipment protection by flameproof enclosures "d"
IEC 60079-10:2002 Electrical apparatus for explosive gas atmospheres - Part 10: Classification of hazardous areas
EN 60079-26:2015 Explosive atmospheres - Part 26: Equipment with Equipment Protection Level (EPL) Ga
EN 50053-2 : 1989 REQUIREMENTS FOR THE SELECTION, INSTALLATION AND USE OF ELECTROSTATIC SPRAYING EQUIPMENT FOR FLAMMABLE MATERIALS - HAND-HELD ELECTROSTATIC POWDER SPRAY GUNS WITH AN ENERGY LIMIT OF 5 MJ AND THEIR ASSOCIATED EQUIPMENT
EN 14756:2006 Determination of the limiting oxygen concentration (LOC) for flammable gases and vapours
EN 15089:2009 Explosion isolation systems
EN 14034-2:2006+A1:2011 Determination of explosion characteristics of dust clouds - Part 2: Determination of the maximum rate of explosion pressure rise (dp/dt)max of dust clouds
EN 61241-2-2:1995 Electrical apparatus for use in the presence of combustible dust - Part 2: Test methods - Section 2: Method for determining the electrical resistivity of dust in layers
EN 50053-3 : 1989 REQUIREMENTS FOR THE SELECTION, INSTALLATION AND USE OF ELECTROSTATIC SPRAYING EQUIPMENT FOR FLAMMABLE MATERIALS - HAND-HELD ELECTROSTATIC FLOCK SPRAY GUNS WITH AN ENERGY LIMIT OF 0.24 MJ OR 5MJ AND THEIR ASSOCIATED APPARATUS
EN 61241-4:2006 Electrical apparatus for use in the presence of combustible dust - Part 4: Type of protection "pD"
EN 60079-1:2014 Explosive atmospheres - Part 1: Equipment protection by flameproof enclosures "d"
EN 1710:2005+A1:2008/AC:2010 EQUIPMENT AND COMPONENTS INTENDED FOR USE IN POTENTIALLY EXPLOSIVE ATMOSPHERES IN UNDERGROUND MINES
EN 60079-10-1:2015 Explosive atmospheres - Part 10-1: Classification of areas - Explosive gas atmospheres
IEC 60079-30-2:2007 Explosive atmospheres - Part 30-2: Electrical resistance trace heating - Application guide for design, installation and maintenance
EN 15233:2007 Methodology for functional safety assessment of protective systems for potentially explosive atmospheres
EN 15794:2009 Determination of explosion points of flammable liquids
IEC 61340-4-4:2012+AMD1:2014 CSV Electrostatics - Part 4-4: Standard test methods for specific applications - Electrostatic classification of flexible intermediatebulk containers (FIBC)
EN 13980:2002 Potentially explosive atmospheres - Application of quality systems
EN 15188:2007 Determination of the spontaneous ignition behaviour of dust accumulations
EN 60079-0:2012/A11:2013 EXPLOSIVE ATMOSPHERES - PART 0: EQUIPMENT - GENERAL REQUIREMENTS (IEC 60079-0:2011, MODIFIED)
EN 14373:2005 Explosion suppression systems
EN 60079-15:2010 Explosive atmospheres - Part 15: Equipment protection by type of protection "n"
EN 50053-1 : 1987 REQUIREMENTS FOR THE SELECTION, INSTALLATION AND USE OF ELECTROSTATIC SPRAYING EQUIPMENT FOR FLAMMABLE MATERIALS - HAND-HELD ELECTROSTATIC PAINT SPRAY GUNS WITH AN ENERGY LIMIT OF 0.24 MJ AND THEIR ASSOCIATED APPARATUS
EN 14034-3:2006+A1:2011 Determination of explosion characteristics of dust clouds - Part 3: Determination of the lower explosion limit LEL of dust clouds
IEC 60079-18:2014 RLV Explosive atmospheres - Part 18: Equipment protection by encapsulation “m”
EN 14797:2006 Explosion venting devices
EN 60079-10-2:2015 Explosive atmospheres - Part 10-2: Classification of areas - Explosive dust atmospheres
EN 14591-1:2004/AC:2006 EXPLOSION PREVENTION AND PROTECTION IN UNDERGROUND MINES - PROTECTIVE SYSTEMS - PART 1: 2-BAR EXPLOSION PROOF VENTILATION STRUCTURE
IEC 60079-10-1:2015 Explosive atmospheres - Part 10-1: Classification of areas - Explosive gas atmospheres
EN 14983:2007 Explosion prevention and protection in underground mines - Equipment and protective systems for firedamp drainage
IEC 61241-0:2004 Electrical apparatus for use in the presence of combustible dust - Part 0: General requirements
EN 13237:2012 Potentially explosive atmospheres - Terms and definitions for equipment and protective systems intended for use in potentially explosive atmospheres
IEC 61241-11:2005 Electrical apparatus for use in the presence of combustible dust - Part 11: Protection by intrinsic safety 'iD'
EN 50050:2006 Electrical apparatus for potentially explosive atmospheres - Electrostatic hand-held spraying equipment
EN 61241-14:2004 Electrical apparatus for use in the presence of combustible dust - Part 14: Selection and installation
EN 50017:1998 Electrical apparatus for potentially explosive atmospheres - Powder filling "q"
EN 14491:2012 Dust explosion venting protective systems
EN 60079-6:2015 Explosive atmospheres - Part 6: Equipment protection by liquid immersion "o"
EN 1839:2017 Determination of the explosion limits and the limiting oxygen concentration(LOC) for flammable gases and vapours
EN 14591-4:2007/AC:2008 EXPLOSION PREVENTION AND PROTECTION IN UNDERGROUND MINES - PROTECTIVE SYSTEMS - PART 4: AUTOMATIC EXTINGUISHING SYSTEMS FOR ROAD HEADERS
EN 60079-28:2015 Explosive atmospheres - Part 28: Protection of equipment and transmission systems using optical radiation
ISO 12100:2010 Safety of machinery — General principles for design — Risk assessment and risk reduction
CLC/TR 50426:2004 Assessment of inadvertent initiation of bridge wire electro-explosive devices by radio-frequency radiation - Guide
IEC 60050-426:2008 International Electrotechnical Vocabulary (IEV) - Part 426: Equipment for explosive atmospheres
EN 14986:2017 Design of fans working in potentially explosive atmospheres
IEC 61241-17:2005 Electrical apparatus for use in the presence of combustible dust - Part 17: Inspection and maintenance of electrical installations in hazardous areas (other than mines)
EN 60079-31:2014 Explosive atmospheres - Part 31: Equipment dust ignition protection by enclosure "t"
EN 60079-30-1:2017 Explosive atmospheres - Part 30-1: Electrical resistance trace heating - General and testing requirements
EN 14591-2:2007/AC:2008 EXPLOSION PREVENTION AND PROTECTION IN UNDERGROUND MINES - PROTECTIVE SYSTEMS - PART 2: PASSIVE WATER TROUGH BARRIERS
EN 60079-11:2012 Explosive atmospheres - Part 11: Equipment protection by intrinsic safety "i"
IEC 60079-11:2011 Explosive atmospheres - Part 11: Equipment protection by intrinsic safety "i"
EN 62305-3:2011 Protection against lightning - Part 3: Physical damage to structures and life hazard
EN 13463-8:2003 Non-electrical equipment for potentially explosive atmospheres - Part 8: Protection by liquid immersion 'k'
EN 61241-1:2004/corrigendum Dec. 2006 ELECTRICAL APPARATUS FOR USE IN THE PRESENCE OF COMBUSTIBLE DUST - PART 1: PROTECTION BY ENCLOSURES "TD"
EN 1127-2:2014 Explosive atmospheres - Explosion prevention and protection - Part 2: Basic concepts and methodology for mining
EN 15198:2007 Methodology for the risk assessment of non-electrical equipment and components for intended use in potentially explosive atmospheres
IEC 61241-1:2004 Electrical apparatus for use in the presence of combustible dust - Part 1: Protection by enclosures "tD"
EN 60079-25:2010/AC:2013 EXPLOSIVE ATMOSPHERES - PART 25: INTRINSICALLY SAFE ELECTRICAL SYSTEMS (IEC 60079-25:2010)
EN 61340-4-4:2012/A1:2015 ELECTROSTATICS - PART 4-4: STANDARD TEST METHODS FOR SPECIFIC APPLICATIONS - ELECTROSTATIC CLASSIFICATION OF FLEXIBLE INTERMEDIATE BULK CONTAINERS (FIBC) (IEC 61340-4-4:2012)
EN 61241-11:2006 Electrical apparatus for use in the presence of combustible dust - Part 11: Protection by intrinsic safety "iD"
IEC 60079-25:2010 Explosive atmospheres - Part 25: Intrinsically safe electrical systems
IEC 61241-18:2004 Electrical apparatus for use in the presence of combustible dust - Part 18: Protection by encapsulation 'mD'
IEC 60079-6:2015 Explosive atmospheres - Part 6: Equipment protection by liquid immersion "o"
IEC 60079-0:2011 Explosive atmospheres - Part 0: Equipment - General requirements
ISO 16852:2016 Flame arresters Performance requirements, test methods and limits for use
EN 14034-1:2004+A1:2011 Determination of explosion characteristics of dust clouds - Part 1: Determination of the maximum explosion pressure pmax of dust clouds
EN 61241-0:2006 Electrical apparatus for use in the presence of combustible dust - Part 0: General requirements
EN 60079-10:2003 Electrical apparatus for explosive gas atmospheres - Part 10: Classification of hazardous areas
EN 62305-2:2012 Protection against lightning - Part 2: Risk management
IEC 60079-14:2013 Explosive atmospheres - Part 14: Electrical installations design, selection and erection
EN 60079-20-1:2010 Explosive atmospheres - Part 20-1: Material characteristics for gas and vapour classification - Test methods and data
EN ISO 12100:2010 Safety of machinery - General principles for design - Risk assessment and risk reduction (ISO 12100:2010)
EN 50281-2-1 : 98 COR 99 Electrical apparatus for use in the presence of combustible dust - Part 2-1: Test methods - Methods for determining the minimum ignition temperatures of dust
IEC 61241-4:2001 Electrical apparatus for use in the presence of combustible dust - Part 4: Type of protection "pD"
EN 60079-14:2014/AC:2016 EXPLOSIVE ATMOSPHERES - PART 14: ELECTRICAL INSTALLATIONS DESIGN, SELECTION AND ERECTION (IEC 60079-14:2013/COR1:2016)
EN ISO 13849-1:2015 Safety of machinery - Safety-related parts of control systems - Part 1: General principles for design (ISO 13849-1:2015)
IEC 62305-2:2010 Protection against lightning - Part 2: Risk management
EN 61241-18:2004 Electrical apparatus for use in the presence of combustible dust - Part 18: Protection by encapsulation "mD"
EN 14522:2005 Determination of the auto ignition temperature of gases and vapours
CLC/TR 50427:2004 Assessment of inadvertent ignition of flammable atmospheres by radio-frequency radiation - Guide
EN 13463-5:2011 Non-electrical equipment intended for use in potentially explosive atmospheres - Part 5: Protection by constructional safety 'c'
EN 14034-4:2004+A1:2011 Determination of explosion characteristics of dust clouds - Part 4: Determination of the limiting oxygen concentration LOC of dust clouds
EN 60079-30-2:2017 Explosive atmospheres - Part 30-2: Electrical resistance trace heating - Application guide for design, installation and maintenance
EN 50495:2010 Safety devices required for the safe functioning of equipment with respect to explosion risks
CEN/TR 15281:2006 Guidance on Inerting for the Prevention of Explosions
ISO 13849-1:2015 Safety of machinery — Safety-related parts of control systems — Part 1: General principles for design
EN 50303:2000 Group I, Category M1 equipment intended to remain functional in atmospheres endangered by firedamp and/or coal dust
EN 61241-17:2005 Electrical apparatus for use in the presence of combustible dust - Part 17: Inspection and maintenance of electrical installations in hazardous areas (other than mines)
IEC 62305-3:2010 Protection against lightning - Part 3: Physical damage to structures and life hazard
IEC 60079-15:2010 Explosive atmospheres - Part 15: Equipment protection by type of protection "n"
EN 13821:2002 Potentially explosive atmospheres - Explosion prevention and protection - Determination of minimum ignition energy of dust/air mixtures
IEC 60079-26:2014 RLV Explosive atmospheres - Part 26: Equipment with Equipment Protection Level (EPL) Ga
EN ISO 16852:2016 Flame arresters - Performance requirements, test methods and limits for use (ISO 16852:2016)
IEC 61241-14:2004 Electrical apparatus for use in the presence of combustible dust - Part 14: Selection and installation
CLC/TR 50404:2003 Electrostatics - Code of practice for the avoidance of hazards due to static electricity
EN 60079-2:2014/AC:2015 EXPLOSIVE ATMOSPHERES - PART 2: EQUIPMENT PROTECTION BY PRESSURIZED ENCLOSURE 'P' (IEC 60079-2:2014)

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