Company - Quality management

Quality down-the-line!

We´ve got the aim to support our customers worldwide with fast, competent and reliable solutions for their operational tasks.

On the basis of a certified quality management according to DIN EN ISO 9001:2008, all operational procedures and processes of manufacture are perfectly harmonized to each other.

A variety of international regulations and specifications according to DIN- und ANSI-standards advect into the construction of the end-product.

We weld all current materials up to the pressure classes PN 320 / 2500 lbs on the basis of our manufacturing verification AD 2000-Merkblatt HP0, TRD 201 and EN 3834-2

(EN 729-2).

Corresponding to the standard 97/23/EG Modul A1 CE0036 we are authorized to signify pressure equipment and valves.


Quality managementsystem
DIN EN ISO 9001:2008
Certificate DIN EN ISO 9001:2008 (PDF)

Internal production control
Pressure Equipment Directive 97/23/EG
Certificate 97/23/EG CE0036 (PDF)

Internal manufacturing verification
AD 2000-Merkblatt HP0
Certificate AD 2000-Merkblatt HP0 (PDF)

TR certificate

Russian certificate of conformity for our ball valves
under the Act on Technical Regulation
TR certificate(PDF)


Our products obtain a strict internal manufacturing- and quality control. Along the regular controls of the outgoing goods by our suppliers, all products are tested extensively by us, as soon as they reach our house.

Final inspections and approvals can additionally be made by Third Parties (ABS, Bureau Veritas, Det Norske Veritas, Germanischer Lloyd AG, Société Générale de Surveillance Holding, TÜV) in our house.

Quality management

Voelkel-Armaturen GmbH & Co. KG | Heisinger Straße 383 | 45259 Essen (Germany)