Certifications

Heat Exchangers and Components in Graphite and Silicon Carbide.
Member of the Mersen Group.

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GAB Neumann designs and manufactures impervious graphite and silicon carbide process equipment according to the major international standards such as PED and ASME. In addition, as part of the Mersen Group, we received Gold in the EcoVadis Sustainability Rating 2023.

GAB Neumann is audited by TÜV Süd and is therefore authorized to manufacture pressure vessels in accordance with the Pressure Equipment Directive 2014/68/EU (PED).

Click here to download our AD 2000 Merkblatt certificate

GAB Neumann has been certified as a specialist company by TÜV Süd in accordance with the German Water Resources Act (WHG) since 2024.

Click here to download the WHG certificate (in German)

GAB Neumann is authorized by the American Society of Mechanical Engineers (ASME) for the manufacture of pressure vessels in accordance with the applicable rules of the ASME boiler and pressure vessel code (U Stamp). Our authorization includes impregnated graphite pressure vessels.

Click here to download our ASME certificate