UNI EN 14034-4 : 2011
Current
The latest, up-to-date edition.
DETERMINATION OF EXPLOSION CHARACTERISTICS OF DUST CLOUDS - PART 4: DETERMINATION OF THE LIMITING OXYGEN CONCENTRATION LOC OF DUST CLOUDS
02-17-2011
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Test apparatus
5 Dust sample
6 Test procedure
7 Calibration and verification
8 Safety precautions/instructions for use
9 Alternative test equipment/procedures
10 Test report
Annex A (normative) - Electro pneumatic valve
Annex B (normative) - Dust disperser with 5 mm holes
Annex C (normative) - 20 l sphere
Annex D (informative) - Examples of procedures to determine
the LOC
Annex ZA (informative) - Relationship between this European
Standard and the Essential Requirements of EU
Directive 94/9/EC
Bibliography
Specifies a test method for the determination of the limiting oxygen concentration of dust clouds in a closed vessel under defined initial conditions of pressure and temperature.
| Committee |
CT 42
|
| DocumentType |
Standard
|
| PublisherName |
Ente Nazionale Italiano di Unificazione (UNI)
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| EN 14034-4:2004+A1:2011 | Identical |
| NF EN 14034-4 : 2005 + A1 2011 | Identical |
| NS EN 14034-4 : 2004 + A1 2011 | Identical |
| SN EN 14034-4 : 2005 + A1 2011 | Identical |
| NEN EN 14034-4 : 2004 + A1 2011 | Identical |
| I.S. EN 14034-4:2004 | Identical |
| NBN EN 14034-4 : 2004 + A1 2011 | Identical |
| BS EN 14034-4 : 2004 | Identical |
| UNE-EN 14034-4:2005 | Identical |
| DIN EN 14034-4:2011-04 | Identical |
| 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 |
| ISO 4225:1994 | Air quality General aspects Vocabulary |
| EN ISO 1127:1996 | Stainless steel tubes - Dimensions, tolerances and conventional masses per unit length (ISO 1127:1992) |
| 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 26184-1 : 1991 | EXPLOSION PROTECTION SYSTEMS - DETERMINATION OF EXPLOSION INDICES OF COMBUSTIBLE DUSTS IN AIR |
| ISO 1127:1992 | Stainless steel tubes Dimensions, tolerances and conventional masses per unit length |
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