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  • I.S. EN 14373:2005

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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

    Available format(s):  Hardcopy, PDF

    Superseded date:  24-11-2021

    Language(s):  English

    Published date:  01-01-2005

    Publisher:  National Standards Authority of Ireland

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    For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
    Only cited Standards give presumption of conformance to New Approach Directives/Regulations.

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    Table of Contents - (Show below) - (Hide below)

    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

    Abstract - (Show below) - (Hide below)

    Specifies the basic requirements for the design and application of explosion suppression systems. It also specifies a method for evaluating the effectiveness and the scale up of explosion suppression systems against defined explosions.

    General Product Information - (Show below) - (Hide below)

    Document Type Standard
    Publisher National Standards Authority of Ireland
    Status Superseded
    Superseded By

    Standards Referencing This Book - (Show below) - (Hide below)

    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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