Dichtungs-, Fertigungs- und Vertriebs GmbH   Diese Seite ist auch auf Deutsch verfügbar.
Certificates
		In the fields of heating/sanitary and steam and also for the chemical and food industry we are able to provide following approvals and certificates for most of our products: KTW recommendation (Kunststoff - Trinkwasser - Empfehlungen) DVGW approval (Deutscher Verein des Gas- und Wasserfaches) FDA (U.S. Food and Drug Administration) Fire-Safe Food approval BAM tested (Bundesanstalt für Materialforschung und -prüfung) HTB tested (high thermal stress) TA-Luft TRD-401 We can also issue factory certifications on request. Since more than 25 years the assurance and conservation of a high quality is one of our main efforts. Our own internal defined quality workflow has been checked by TÜV Cert which asserted conformance to DIN EN ISO 9001:2008.