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DIN EN 14994 E : 2007
Current
The latest, up-to-date edition.
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GAS EXPLOSION VENTING PROTECTIVE SYSTEMS
Hardcopy , PDF
English
01-01-2007
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Venting of enclosures
5 Venting of isolated compact enclosures
5.1 General
5.2 Venting of isolated compact enclosures
5.3 Situations outside the constraints of the basic method
(turbulence inducing elements, partially filled enclosures)
5.3.1 General
5.3.2 Elevated initial pressure
5.3.3 Effect of initial turbulence
5.3.4 Effect of partial filling
5.3.5 Venting of enclosures containing turbulence inducing
elements
5.4 Elongated enclosures
5.4.1 General
5.4.2 Venting of elongated enclosures vented at each end
5.4.3 Venting of elongated enclosures vented along the
enclosure
5.5 Pipes
5.6 Interconnected enclosures
5.7 Vent ducts
6 Supplementary design aspects
6.1 General
6.2 Positioning and shape of explosion vents
6.3 Choice of venting device
6.4 External effects
6.4.1 General
6.4.2 Flame effects
6.4.3 Pressure effects
6.4.4 Deflectors
6.5 Recoil forces
7 Information for use
7.1 Marking
7.2 Accompanying documents
Annex A (informative) Assessment of the level of congestion in
rooms containing turbulence including elements
Annex ZA (informative) Relationship between this European
Standard and the Essential Requirements of EU
Directive 94/9/EC
Bibliography
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