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A3A.... what does it mean? 1

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pietje

Mechanical
Joined
Mar 18, 2007
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70
Location
NL
I have recently seen some drawings of pressure equipment which do not state a design code, but do state "category/module: A3A". Does anyone know what this means?? It is a complete mystery to me.
 
Based on your username, I assume youre dutch.

First thing that comes to mind, is that A3A may mean 'article 3 para 3', which comes from PED 97/23/EC. It's also known as SEP, and you see it all the time for small vessels designed and built within/for the european market.
If thats what the vessel designer/manfacturer tried to 'declare', then he's probably implying the vessel is designed acc. Sound Engineering Practice. This is no design code, but defines what requirements the PED directive spell out. These requirements are as much as the name implies...

However, it may also mean something else.
 
That must be it... thanx!
 
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