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I.S. CEN/TR 15281:2006

Current
Current

The latest, up-to-date edition.

GUIDANCE ON INERTING FOR THE PREVENTION OF EXPLOSIONS
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

01-01-2006

Publisher

National Standards Authority of Ireland

Preview

Foreword
1 Scope
2 Normative references
3 Terminology and abbreviations
   3.1 Terminology
   3.2 Abbreviations
4 Inert gases
5 Influence of the oxygen concentration on explosive
   atmospheres
   5.1 General
   5.2 Gas and vapour explosions
   5.3 Dust explosions
   5.4 Hybrid mixtures
   5.5 Mists
   5.6 Influence of process parameters
6 Methods of Inerting
   6.1 General
   6.2 Pressure swing inerting
   6.3 Vacuum-swing inerting
   6.4 Flow-through inerting
   6.5 Displacement inerting
   6.6 Maintaining inert conditions
7 Inerting systems
   7.1 General introduction
   7.2 Inert gas supply
   7.3 Monitoring and control system
   7.4 Methods
8 Reliability
   8.1 Demands for safety critical equipment
   8.2 Inerting systems
9 Personnel and environmental protection
10 Information for use
Annex A (informative) Oxygen monitoring technology
Annex B (informative) Equations for pressure-swing inerting
Annex C (informative) Calculations for flow-through inerting
Annex D (informative) Addition of solids to an inerted vessel
                      using a double valve arrangement
Annex E (informative) Addition of solids down a charge-chute to
                      an open vessel
Annex F (informative) Examples on inerting specific items of process
                      equipment
Annex G (informative) Prevention of diffusion of air down vent pipes
Bibliography

Discusses the requirements for absolute inerting. Inerting is used to influence the ignition and explosion characteristics of an explosive atmosphere.

DocumentType
Standard
Pages
55
PublisherName
National Standards Authority of Ireland
Status
Current
SupersededBy

Standards Relationship
CEN/TR 15281:2006 Identical

EN 1127-1:2011 Explosive atmospheres - Explosion prevention and protection - Part 1: Basic concepts and methodology
EN 50104:2010 Electrical apparatus for the detection and measurement of oxygen - Performance requirements and test methods
IEC 61511-1:2016+AMD1:2017 CSV Functional safety - Safety instrumented systems for the process industry sector - Part 1: Framework, definitions, system, hardware and application programming requirements
API 2000 : 2014 VENTING ATMOSPHERIC AND LOW-PRESSURE STORAGE TANKS
EN ISO 4126-6:2014 Safety devices for protection against excessive pressure - Part 6: Application, selection and installation of bursting disc safety devices (ISO 4126-6:2014)
IEC 61508-3:2010 Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 3: Software requirements (see Functional Safety and IEC 61508)
EN 1839:2017 Determination of the explosion limits and the limiting oxygen concentration(LOC) for flammable gases and vapours
BGR 117 : 2004
IEC 61511-3:2016 Functional safety - Safety instrumented systems for the process industry sector - Part 3: Guidance for the determination of the required safety integrity levels
IEC 61511-2:2016 Functional safety - Safety instrumented systems for the process industry sector - Part 2: Guidelines for the application of IEC 61511-1:2016
TRBF 20 : 2002
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
IEC 61508-2:2010 Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 2: Requirements for electrical/electronic/programmable electronic safety-related systems (see Functional Safety and IEC 61508)
CLC/TR 50404:2003 Electrostatics - Code of practice for the avoidance of hazards due to static electricity
ISO 4126-6:2014 Safety devices for protection against excessive pressure — Part 6: Application, selection and installation of bursting disc safety devices

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