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EN 14373:2005

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Explosion suppression systems
Superseded date

12-11-2021

Published date

05-10-2005

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Explosion suppression
  4.1 General
  4.2 Influencing factors
      4.2.1 General
      4.2.2 The explosion hazard
      4.2.3 The explosion suppressant
      4.2.4 The suppression system
      4.2.5 Interrelation
5 General requirements for explosion suppression components
  5.1 Detection
      5.1.1 General
      5.1.2 Optical detection
      5.1.3 Pressure detection
  5.2 Suppressant
  5.3 HRD-suppressors
  5.4 Control and Indicating Equipment, CIE
6 Requirements for the design of an explosion suppression system
  6.1 General
  6.2 Hazard definition
  6.3 Determination of the p[red, max] as a function of relevant
      influencing parameters
      6.3.1 General
      6.3.2 Validation by testing in one volume
      6.3.3 Validation by testing in a second volume
      6.3.4 Elongated enclosures
      6.3.5 Pipes
      6.3.6 Occupied spaces
  6.4 Validation of system design guidelines
      6.4.1 General
      6.4.2 Design nomograph
      6.4.3 Mathematical model for design
  6.5 Special applications
      6.5.1 Suppression combined with venting
      6.5.2 Venting combined with suppression
      6.5.3 Suppression combined with reduced oxygen
            concentrations
      6.5.4 Partial volumes
      6.5.5 Segregated volumes
      6.5.6 Obstructed volumes
  6.6 Test report
7 Safety integrity of explosion suppression systems
  7.1 General
  7.2 Measures to avoid and control systematic faults
  7.3 Control of electric connections
  7.4 Indicators and messages CIE
  7.5 Energy supply
8 Instructions for installation, commissioning and maintenance
  8.1 General
  8.2 Installation of cables
  8.3 Assembling
      8.3.1 General
      8.3.2 Assembly
  8.4 Commissioning
      8.4.1 General
      8.4.2 Commissioning phase
      8.4.3 Instruction
      8.4.4 Commissioning report
      8.4.5 Safety
  8.5 Maintenance
      8.5.1 General
      8.5.2 Servicing
9 Marking and packaging
  9.1 General
  9.2 Explosion suppression system components
  9.3 Explosion suppression system
  9.4 Omission of markings
Annex A (informative) Development of nomograph type design
        guidelines
      A.1 General
      A.2 Design nomograph
Annex ZA (informative) Relationship between this European
         Standard and the Essential Requirements of EU
         Directive 94/9/EC of 23 March 1994
Bibliography

This European Standard describes the basic requirements for the design and application of explosion suppression systems. This European Standard also specifies a method for evaluating the effectiveness and the scale up of explosion suppression systems against defined explosions. It gives the criteria for alternative test apparatus used to undertake explosion suppression efficacy tests and criteria to be applied in defining the safe operating regime of an explosion suppression system.It covers:general requirements for explosion suppression components;evaluating the effectiveness of an explosion suppression system;evaluating the scale up of an explosion suppression system;evaluation and development of design tools for explosion suppression systems;instructions for installation of an explosion suppression system;maintenance instructions for an explosion suppression system.This European Standard is applicable only to explosion suppression systems intended for the protection of closed, or essentially closed, enclosures in which an explosion may result as a consequence of ignition of an explosible mixtures, e.g. dust-air mixtures, gas(vapour)-air mixtures, dust-gas(vapour)-air mixtures and mists.This European Standard is not applicable for explosions of materials listed below, or for mixtures containing some of those materials:unstable materials that are liable to dissociate;explosive materials;pyrotechnic materials;pyrophoric materials.NOTEFor the listed materials expert advice is required.

Committee
CEN/TC 305
DocumentType
Standard
PublisherName
Comite Europeen de Normalisation
Status
Superseded
SupersededBy

Standards Relationship
NEN EN 14373 : 2005 Identical
NBN EN 14373 : 2006 Identical
PN EN 14373 : 2006 Identical
I.S. EN 14373:2005 Identical
UNI EN 14373 : 2006 Identical
UNE-EN 14373:2006 Identical
NF EN 14373 : 2006 Identical
NS EN 14373 : 1ED 2005 Identical
SN EN 14373 : 2005 Identical
DIN EN 14373 E : 2006 Identical
BS EN 14373:2005 Identical
ONORM EN 14373 : 2006 Identical
DIN EN 14373:2006-01 Identical

PREN 1127-1 : DRAFT 2017 EXPLOSIVE ATMOSPHERES - EXPLOSION PREVENTION AND PROTECTION - PART 1: BASIC CONCEPTS AND METHODOLOGY
DIN EN 16447 E : 2014 EXPLOSION ISOLATION FLAP VALVES
12/30243081 DC : 0 BS EN 1034-17 - SAFETY OF MACHINERY - SAFETY REQUIREMENTS FOR THE DESIGN AND CONSTRUCTION OF PAPER MAKING AND FINISHING MACHINES - PART 17: TISSUE MAKING MACHINES
09/30198043 DC : 0 BS EN 1127-1 - EXPLOSIVE ATMOSPHERES - EXPLOSION PREVENTION AND PROTECTION - PART 1: BASIC CONCEPTS AND METHODOLOGY
UNI EN 13237 : 2012 POTENTIALLY EXPLOSIVE ATMOSPHERES - TERMS AND DEFINITIONS FOR EQUIPMENT AND PROTECTIVE SYSTEMS INTENDED FOR USE IN POTENTIALLY EXPLOSIVE ATMOSPHERES
16/30348296 DC : DRAFT DEC 2016 BS EN 14460 - EXPLOSION RESISTANT EQUIPMENT
DIN EN 415-10:2014-07 SAFETY OF PACKAGING MACHINES - PART 10: GENERAL REQUIREMENTS
PD CEN/TR 16829:2016 Fire and explosion prevention and protection for bucket elevators
I.S. EN 415-10:2014 SAFETY OF PACKAGING MACHINES - PART 10: GENERAL REQUIREMENTS
UNE-EN 15089:2010 Explosion isolation systems
I.S. EN 1034-17:2012 SAFETY OF MACHINERY - SAFETY REQUIREMENTS FOR THE DESIGN AND CONSTRUCTION OF PAPER MAKING AND FINISHING MACHINES - PART 17: TISSUE MAKING MACHINES
17/30365866 DC : 0 BS EN 1127-1 - EXPLOSIVE ATMOSPHERES - EXPLOSION PREVENTION AND PROTECTION - PART 1: BASIC CONCEPTS AND METHODOLOGY
BS EN 14994:2007 Gas explosion venting protective systems
UNE-EN 1127-1:2012 Explosive atmospheres - Explosion prevention and protection - Part 1: Basic concepts and methodology
DIN EN 1127-2:2002-07 EXPLOSIVE ATMOSPHERES - EXPLOSION PREVENTION AND PROTECTION - PART 2: BASIC CONCEPTS AND METHODOLOGY FOR MINING
DIN EN 14994:2007-05 Gas explosion venting protective systems
EN 1034-17:2012 Safety of machinery - Safety requirements for the design and construction of paper making and finishing machines - Part 17: Tissue making machines
EN 13237:2012 Potentially explosive atmospheres - Terms and definitions for equipment and protective systems intended for use in potentially explosive atmospheres
EN 12779:2015 Safety of woodworking machines - Chip and dust extraction systems with fixed installation - Safety requirements
11/30247811 DC : 0 BS EN 415-10 - SAFETY OF PACKAGING MACHINES - PART 10: GENERAL REQUIREMENTS
PREN 1672-1 : DRAFT 2012 FOOD PROCESSING MACHINERY - BASIC CONCEPTS - PART 1: SAFETY REQUIREMENTS
UNI EN 16447 : 2014 EXPLOSION ISOLATION FLAP VALVES
12/30267131 DC : 0 BS EN 16447 - EXPLOSION ISOLATION FLAP VALVES
08/30180312 DC : DRAFT MAR 2008 BS EN 50223 - STATIONARY ELECTROSTATIC APPLICATION EQUIPMENT FOR IGNITABLE FLOCK MATERIAL - SAFETY REQUIREMENTS
12/30259421 DC : 0 BS EN 1672-1 - FOOD PROCESSING MACHINERY - BASIC CONCEPTS - PART 1: SAFETY REQUIREMENTS
BS EN 50223:2015 Stationary electrostatic application equipment for ignitable flock material. Safety requirements
12/30270980 DC : 0 BS EN 1127-2 - EXPLOSIVE ATMOSPHERES - EXPLOSION PREVENTION AND PROTECTION - PART 2: BASIC CONCEPTS AND METHODOLOGY FOR MINING
I.S. EN 15089:2009 EXPLOSION ISOLATION SYSTEMS
S.R. CEN/TR 16829:2016 FIRE AND EXPLOSION PREVENTION AND PROTECTION FOR BUCKET ELEVATORS
BS EN 1127-1:2011 Explosive atmospheres. Explosion prevention and protection Basic concepts and methodology
NF EN 1127-1 : 2011 EXPLOSIVES ATMOSPHERES - EXPLOSION PREVENTION AND PROTECTION - PART 1: BASIC CONCEPTS AND METHODOLOGY
I.S. EN 14460:2018 EXPLOSION RESISTANT EQUIPMENT
DIN EN 15233:2007-11 Methodology for functional safety assessment of protective systems for potentially explosive atmospheres
BS EN 15233:2007 Methodology for functional safety assessment of protective systems for potentially explosive atmospheres
I.S. EN 13237:2012 POTENTIALLY EXPLOSIVE ATMOSPHERES - TERMS AND DEFINITIONS FOR EQUIPMENT AND PROTECTIVE SYSTEMS INTENDED FOR USE IN POTENTIALLY EXPLOSIVE ATMOSPHERES
DIN EN 1127-1:2011-10 EXPLOSIVE ATMOSPHERES - EXPLOSION PREVENTION AND PROTECTION - PART 1: BASIC CONCEPTS AND METHODOLOGY
I.S. EN 1127-2:2014 EXPLOSIVE ATMOSPHERES - EXPLOSION PREVENTION AND PROTECTION - PART 2: BASIC CONCEPTS AND METHODOLOGY FOR MINING
I.S. EN 12779:2015 SAFETY OF WOODWORKING MACHINES - CHIP AND DUST EXTRACTION SYSTEMS WITH FIXED INSTALLATION - SAFETY RELATED PERFORMANCES AND SAFETY REQUIREMENTS
VDI 2263 Blatt 8.2:2014-12 Dust fires and dust explosions - Hazards - assessment - protective measures - Explosion suppression and combination of structural protective measures in elevators
VDI 2263 Blatt 7:2010-07 Dust fires and dust explosions - Hazards - assessment - protective measures - Dust fires and explosion protection in spraying and drying integrated equipment
VDI 2263 Blatt 8.1:2011-03 Dust fires and dust explosions - Hazards - assessment - protective measures - Fire and explosion protection on elevators - Examples
VDI 2262 Blatt 1:2013-06 Workplace air - Reduction of exposure to air pollutants - Legal principles, terms and definitions, basic organisational measures for industrial safety and environmental protection
VDI 2263 Blatt 6:2017-08 Dust fires and dust explosions - Hazards - assessment - protective measures - Dust fires and explosion protection in dust extracting installations
PREN 50223 : DRAFT 2013 STATIONARY ELECTROSTATIC APPLICATION EQUIPMENT FOR IGNITABLE FLOCK MATERIAL - SAFETY REQUIREMENTS
BS EN 1034-17:2012 Safety of machinery. Safety requirements for the design and construction of paper making and finishing machines Tissue making machines
DIN EN 15089:2009-07 EXPLOSION ISOLATION SYSTEMS
BS EN 15089:2009 Explosion isolation systems
UNI EN 15089 : 2009 EXPLOSION ISOLATION SYSTEMS
PREN 12779 : DRAFT 2014 SAFETY OF WOODWORKING MACHINES - CHIPS AND DUST EXTRACTION SYSTEMS WITH FIXED INSTALLATIONS - SAFETY REQUIREMENTS
UNI EN 415-10 : 2014 SAFETY OF PACKAGING MACHINES - PART 10: GENERAL REQUIREMENTS
PREN 16985 : DRAFT 2016 SPRAY BOOTHS FOR ORGANIC COATING MATERIAL - SAFETY REQUIREMENTS
I.S. EN 1127-1:2011 EXPLOSIVE ATMOSPHERES - EXPLOSION PREVENTION AND PROTECTION - PART 1: BASIC CONCEPTS AND METHODOLOGY
DIN EN 14994 E : 2007 GAS EXPLOSION VENTING PROTECTIVE SYSTEMS
DIN EN 1127-2:2014-09 EXPLOSIVE ATMOSPHERES - EXPLOSION PREVENTION AND PROTECTION - PART 2: BASIC CONCEPTS AND METHODOLOGY FOR MINING
DIN EN 12779:2016-03 Safety of woodworking machines - Chip and dust extraction systems with fixed installation - Safety requirements
DIN EN 15233 E : 2007 METHODOLOGY FOR FUNCTIONAL SAFETY ASSESSMENT OF PROTECTIVE SYSTEMS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES
UNI EN 1127-2 : 2014 EXPLOSIVE ATMOSPHERES - EXPLOSION PREVENTION AND PROTECTION - PART 2: BASIC CONCEPTS AND METHODOLOGY FOR MINING
UNE-EN 50223:2016 Stationary electrostatic application equipment for ignitable flock material - Safety requirements
13/30284894 DC : 0 BS EN 50223 - STATIONARY ELECTROSTATIC APPLICATION EQUIPMENT FOR IGNITABLE FLOCK MATERIAL - SAFETY REQUIREMENTS
BS EN 16447:2014 Explosion isolation flap valves
BS EN 415-10:2014 Safety of packaging machines General Requirements
14/30292850 DC : 0 BS EN 12779 - SAFETY OF WOODWORKING MACHINES - CHIPS AND DUST EXTRACTION SYSTEMS WITH FIXED INSTALLATIONS - SAFETY REQUIREMENTS
DIN EN 1034-17 E : 2012 SAFETY OF MACHINERY - SAFETY REQUIREMENTS FOR THE DESIGN AND CONSTRUCTION OF PAPER MAKING AND FINISHING MACHINES - PART 17: TISSUE MAKING MACHINES
DIN EN 1034-17:2012-11 Safety of machinery - Safety requirements for the design and construction of paper making and finishing machines - Part 17: Tissue making machines
DIN EN 15089 E : 2009 EXPLOSION ISOLATION SYSTEMS
DIN EN 16447:2014-09 EXPLOSION ISOLATION FLAP VALVES
I.S. EN 16447:2014 EXPLOSION ISOLATION FLAP VALVES
EN 14460:2018 Explosion resistant equipment
16/30335146 DC : 0 BS EN 16985 - SPRAY BOOTHS FOR ORGANIC COATING MATERIAL - SAFETY REQUIREMENTS
BS EN 1127-1:2019 Explosive atmospheres. Explosion prevention and protection Basic concepts and methodology
BS EN 12779:2015 Safety of woodworking machines. Chip and dust extraction systems with fixed installation. Safety requirements
BS EN 13237:2012 Potentially explosive atmospheres. Terms and definitions for equipment and protective systems intended for use in potentially explosive atmospheres
BS EN 1127-2:2014 Explosive atmospheres. Explosion prevention and protection Basic concepts and methodology for mining
EN 415-10:2014 Safety of packaging machines - Part 10: General Requirements
EI MODEL CODE SAFE PRACTICE PT1 : 2010 THE SELECTION, INSTALLATION, INSPECTION, AND MAINTENANCE OF ELECTRICAL AND NON ELECTRICAL APPARATUS IN HAZARDOUS AREAS
EN 15089:2009 Explosion isolation systems
EN 15233:2007 Methodology for functional safety assessment of protective systems for potentially explosive atmospheres
EN 16447:2014 Explosion isolation flap valves
EN 14994:2007 Gas explosion venting protective systems
UNI EN 1127-1 : 2011 EXPLOSIVE ATMOSPHERES - EXPLOSION PREVENTION AND PROTECTION - PART 1: BASIC CONCEPTS AND METHODOLOGY
PREN 1127-2 : DRAFT 2012 EXPLOSIVE ATMOSPHERES - EXPLOSION PREVENTION AND PROTECTION - PART 2: BASIC CONCEPTS AND METHODOLOGY FOR MINING
I.S. EN 50223:2015 STATIONARY ELECTROSTATIC APPLICATION EQUIPMENT FOR IGNITABLE FLOCK MATERIAL - SAFETY REQUIREMENTS
DIN EN 13237:2013-01 POTENTIALLY EXPLOSIVE ATMOSPHERES - TERMS AND DEFINITIONS FOR EQUIPMENT AND PROTECTIVE SYSTEMS INTENDED FOR USE IN POTENTIALLY EXPLOSIVE ATMOSPHERES
UNE-EN 12779:2016 Safety of woodworking machines - Chip and dust extraction systems with fixed installation - Safety requirements
EN 1127-2:2014 Explosive atmospheres - Explosion prevention and protection - Part 2: Basic concepts and methodology for mining
EN 1127-1:2011 Explosive atmospheres - Explosion prevention and protection - Part 1: Basic concepts and methodology
EN 50223:2015 Stationary electrostatic application equipment for ignitable flock material - Safety requirements

EN 1127-1:2011 Explosive atmospheres - Explosion prevention and protection - Part 1: Basic concepts and methodology
EN 61508-1:2010 Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 1: General requirements
PREN 14491 : DRAFT 2011 DUST EXPLOSION VENTING PROTECTIVE SYSTEMS
EN 26184-4 : 1991 EXPLOSION PROTECTION SYSTEMS - DETERMINATION OF EFFICACY OF EXPLOSION SUPPRESSION SYSTEMS
ISO 4225:1994 Air quality General aspects Vocabulary
EN 13673-2:2005 Determination of maximum explosion pressure and the maximum rate of pressure rise of gases and vapours - Part 2: Determination of the maximum rate of explosion pressure rise
EN 13237:2012 Potentially explosive atmospheres - Terms and definitions for equipment and protective systems intended for use in potentially explosive atmospheres
EN 1050 : 1996 SAFETY OF MACHINERY - PRINCIPLES FOR RISK ASSESSMENT
EN 26184-2 : 1991 EXPLOSION PROTECTION SYSTEMS - DETERMINATION OF EXPLOSION INDICES OF COMBUSTIBLE GASES IN AIR
EN 13673-1:2003 Determination of the maximum explosion pressure and the maximum rate of pressure rise of gases and vapours - Part 1: Determination of the maximum explosion pressure
ISO 6184-3:1985 Explosion protection systems Part 3: Determination of explosion indices of fuel/air mixtures other than dust/air and gas/air mixtures
EN 26184-3 : 1991 EXPLOSION PROTECTION SYSTEMS - DETERMINATION OF EXPLOSION INDICES OF FUEL/AIR MIXTURES OTHER THAN DUST/AIR & GAS/AIR MIXTURES
ISO 6184-4:1985 Explosion protection systems Part 4: Determination of efficacy of explosion suppression systems
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 50130-4:2011/A1:2014 ALARM SYSTEMS - PART 4: ELECTROMAGNETIC COMPATIBILITY - PRODUCT FAMILY STANDARD: IMMUNITY REQUIREMENTS FOR COMPONENTS OF FIRE, INTRUDER, HOLD UP, CCTV, ACCESS CONTROL AND SOCIAL ALARM SYSTEMS
EN 26184-1 : 1991 EXPLOSION PROTECTION SYSTEMS - DETERMINATION OF EXPLOSION INDICES OF COMBUSTIBLE DUSTS IN AIR
IEC 61508-1:2010 Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 1: General requirements (see Functional Safety and IEC 61508)
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
ISO 6184-2:1985 Explosion protection systems Part 2: Determination of explosion indices of combustible gases in air

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