Ensuring the required quality is Raff + Grund's highest priority. For this reason we have a certified quality management system to EN ISO 9001:2008 as well as an environmental management system to EN ISO 14001:2004. We are approved for the construction of pressure vessels to ISO 3834-3 (HP0 - AD2000) and are a specialist company to §19.1 WHG (German Water Management Law). We also have manufacturer qualifications for the welding of steel components to DIN18800-7 Cl. B.

ISO9001 certificate (German)
ISO9001 certificate (English)
ISO14001 certificate (German)
ISO14001 certificate (English)
Penetrant flaw detection certificate
ASME Certificate U-Stamp
Zertifikat HP0
Zertifikat HP0
§19.1 WHG certificate
DIN18800-7 Cl. B certificate