Quality assessment in the manufacture of a pressure piping by welding

Pereira, A. B.; Cardoso, J. P.; Silva, F. J. G.

http://hdl.handle.net/10400.22/18043

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Authors

Pereira, A. B.

Cardoso, J. P.

Silva, F. J. G.

Abstract(s)

This chapter presents the necessary requirements for the CE marking of a pressure piping assembled in welded construction. The Quality Management of a welded construction involves well-regulated procedures which, however, are so vast that they acquire great complexity. In fact, there are hundreds of rules to apply to each specific case. In the European Union, the CE marking shows the presumption that the products comply with all the provisions of the applicable directives. This marking is a way to improve the safety of consumers, as well as the guarantee of having a competitive and regulated market, therefore good for the economy itself. Pressure equipment is, as a rule, considered dangerous, and therefore subject to strict and careful regulation. The CE marking is not established as a technical barrier, which prevents countries from exporting their products to the European market. It is just one way of harmonizing and unifying procedures, standards and legislation that has the purpose of completing the European internal market. This paper presents an analysis of how to obtain CE marking of an execution and assembly of steel piping in a formaldehyde plant and which normative ramifications apply.