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NS EN 13648-3 : 1ED 2002
Current
The latest, up-to-date edition.
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CRYOGENIC VESSELS - SAFETY DEVICES FOR PROTECTION AGAINST EXCESSIVE PRESSURE - PART 3: DETERMINATION OF REQUIRED DISCHARGE - CAPACITY AND SIZING
12-01-2013
Foreword
1 Scope
2 Normative references
3 Calculation of the total quantity of heat transferred
per unit time from the hot wall (outer jacket) to the
cold wall (inner vessel)
3.1 General
3.2 For conditions other than fire
3.3 Under fire conditions
4 Calculation of the mass flow Q[m] (kg h[-1]) to be
relieved by the safety devices
5 Rule for the safety devices
6 Sizing of safety devices
6.1 Safety valves
6.2 Bursting disc
6.3 Sizing of safety valves and bursting discs
Annex ZA (informative) Clauses of this European Standard
addressing essential requirements or other
provisions of EU Directives
Bibliography
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