I.S. EN ISO 4126-7:2013
Current
The latest, up-to-date edition.
SAFETY DEVICES FOR PROTECTION AGAINST EXCESSIVE PRESSURE - PART 7: COMMON DATA (ISO 4126-7:2013)
Hardcopy , PDF
English
01-01-2013
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Dates of withdrawal of national standards are available from NSAI.
National Foreword
European foreword
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and units
5 Determination of safety valve performance
6 Sizing of safety valves
7 Thermodynamic properties
8 Minimum requirements for helical compression springs
9 Minimum requirements for safety valve disc springs
Annex A (informative) - Examples of capacity
calculations for various media
Bibliography
Annex ZA (informative) - Relationship between this
European Standard and the Essential
Requirements of EU Directive 97/23/EC (PED)
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