On this page you will find current certificates and certification for Arens Rohrleitungsbau.

Wir sind zertifiziert nach DIN Norm als Konzept auf einem Kompass

We have the following certifications:


Certificate for the safety, health and environmental protection management system

Welding certificate for welding steel structures


DIN EN ISO 3834-3

Certificate for the fulfilment of welding technology quality features as a manufacturer of welded constructions

EN ISO 3834-3

AD 2000 – data sheet HP 0

Certificate as a manufacturer of systems and system parts that requiring monitoring

AD 2000 - Merkblatt HP 0

Specialist company for the Water Resources Act

Certification for concluding a monitoring contract


Certificate for the quality assurance system for technical material processes according to guideline 97/23/EU for pressurised devices