This equipment shall be considered as vessel in accordance with article 4 paragraph 1 (a) of the directive. It may also be considered as assembly in accordance with article 4 paragraph 2 (b).
The definition of assemblies in article 4 paragraph 2(a) concerns only the assemblies intended for generating steam or superheated water and does not concern equipment where a fluid other than water is heated.
As a consequence, the classification shall not be made using Annex table 5.
Examples of such equipment are
- oil heating furnaces,
- heat exchangers (refer also to PED Guideline B-04), and
- induction heaters.