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Validity of Certificates and Approvals without Signatures
Please note: Some certificates and Approvals are now being issued without any  signature of an authorised representative of the certification company. The certification company then usually offers the possibility of checking the validity of certificates in real-time online. This is often also indicated in the certification document itself.Â
A DNV Type Approval Certificate for example indicates on the last page:Â
To check the validity of this certificate, please look it up in https://approvalfinder.dnv.com.
Certificates and Appprovals
Product Group STAUFF ClampsÂ
Certificates and Appprovals
Product Group STAUFF Connect
PDF
Approval Deutscher Verein des Gas- und Wasserfaches (DVGW)
0.91 mb
Tube Connectors STAUFF Connect
Certificates and Appprovals
Product Group STAUFF Form EVO and STAUFF Form
PDF
Approval Det Norske Veritas / Germanischer Lloyd (DNV-GL)
0.23 mb
Tube Forming System STAUFF Form EVO
PDF
Approval Det Norske Veritas / Germanischer Lloyd (DNV-GL)
0.21 mb
Tube Forming System STAUFF Form