I.S. CEN/TR 15281:2006
Current
The latest, up-to-date edition.
GUIDANCE ON INERTING FOR THE PREVENTION OF EXPLOSIONS
Hardcopy , PDF
English
01-01-2006
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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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