Pressure vessels are Deprest's main activity, whether in steel, stainless steel or special alloys.

In this department, we elaborate and follow up any projects from A to Z... including the technical calculations, the design, the complete execution, and the testing and follow-up of the necessary inspections in accordance with European PED regulations.


Pressure vessels – both large and small – as well as pressure vessels for industry, such as fine pharmacy with a very fine finish... everything is feasible.

Pressure vessels can be manufactured according to the standards listed below:

  • PED2014/68/EU
  • ASME VIII div 1
  • AD2000 Merkblätter
  • EN13445

Deprest is ISO 9001 and ISO 3834-2/BS certified and possesses all the necessary EN9606 welding certificates and welding procedure certificates according to EN15614 and ASME IX.

Deprest also makes pressureless vessels and storage tanks, chocolate tanks and performs certified welding.