Certificates & Approvals
The most important prerequisite for the work of the FRIEDRICH VORWERK Group are the necessary certificates and authorisations. These are regularly reviewed and updated in accordance with the applicable regulations.
In addition, the FRIEDRICH VORWERK Group has laid down its activities in the areas of occupational health and safety, quality assurance and environmental protection in an integrated management system that is regularly audited and certified by external organisations.
Further certifications
- Gas pipework inspection according to DVGW G 468-1
- Maintenance company for gas appliances according to DVGW G 676
- Conversion companies for gas appliances according to DVGW G 682
- Corrosion protection company according to DVGW GW11
- Maintenance organisation for pressure regulating stations according to DVGW G 493-2
- Quality requirements according to DIN EN ISO 3834-2
- Pressure equipment, pipework according to AD2000 HP0_HP100R_DIN EN 13445_DIN EN 13480