Certificates & Approvals

• Quality Management System according to DIN EN ISO 9001:2015
• Environmental Management System according to DIN EN ISO 14001:2015
• Energy Management System according to DIN ISO 50001:2018
• Pipeline construction company according to DVGW GW 301
• Group G1: Gas pipelines for all pressures and nominal diameters (ductile iron, PE, steel)
• Group W1: Water pipelines for all pressures and nominal diameters (ductile iron, PE, steel)

• Pipeline construction company according to DVGW GW 381
• SCCP – Safety Certificate Contractors
• AD 2000 – Data Sheet HP0 / HP100 R
• EN 13445-4 & EN 13480-4
• Certified welding company according to EN ISO 3834-2
• Manufacturing of steel components according to EN 1090-1:2009+A1:2011
• Manufacturing of pressure vessels (Module H1, A2)
• Welding certification according to EN 1090-2:2018
• Specialist company according to WHG
• Quality protection in sewer construction, Group AK3
• Re-marking according to AD 2000 regulations and Pressure Equipment Directive (PED)

For additional certificates, please contact: hseq_at_friedrich-vorwerk.de