Swiss Approval Technische Bewertung S.A.


“simple pressure vessel” is defined as any welded vessel subjected to a relative internal pressure of more than 0.5 bar, whose intended use is as a container for air or nitrogen, not intended for combustion.

The Notified Body Swiss Approval NB 2221, has inspected and approved a wide range of welded vessel categories for more than 300 different manufacturers worldwide.