Certification - Plant Apparatus Tank Welding Construction

Fon: +49 4152 88 55 950  |  Mail: info@stuehff-gmbh.de
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Quality assurance through Certification

Our costumers know that they can rely on our quality!
For this purpose, we are certified variously and manifoldly.

TÜV Nord

  • AD 2000 HP0 / AD 2000 HP 100 R:
    General principles of design, manufacture and associated tests / Construction regulations - Metal piping
  • DIN EN ISO 3824-2:
    Quality requirements for fusion welding of metallic materials - Part 2: Comprehensive quality requirements
  • EN 1090-2 EXC 3 incl. stainless steels:
    Execution of steel structures and aluminium structures - Part 2: Technical requirements for steel structures


  • Boilers Pressure Vessels, Piping Systems Class I to II and Mechanical Constructions:
    DNV GL class programme CP-0261 – Manufacture of pressure equipment and DNV GL class programme CP-0352 – Approval of manufactures, Welded Products

Bureau Veritas

  • Recognition for BV mode II scheme:
    Pressure vessels and parts as well as piping systems

Lloyd‘s Register

Fusion Welded Pressure Vessels Class 2.1

We are looking forward to answer any of your questions concerning our certifications – please contact us by e-mail, phone or fax.
Stühff GmbH
Mercatorstraße 53
21502 Geesthacht
Fon: +49 4152 88 55 950
Fax: +49 4152 88 55 952
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