Name: UNI EN 14034-4 : 2011
Brand: UNI

DETERMINATION OF EXPLOSION CHARACTERISTICS OF DUST CLOUDS - PART 4: DETERMINATION OF THE LIMITING OXYGEN CONCENTRATION LOC OF DUST CLOUDS

Published date

02-17-2011

Publisher

Ente Nazionale Italiano di Unificazione (UNI)

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	UNI EN 14034-4 : 2005

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