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Düker GmbH & Co. KGaA is a medium-sized company with a tradition of a smeltery and hammer mill. Today there are four divisions: fittings and valves, drainage technology, glasslining technology and jobbing foundry.
With cast iron products, Düker is one of the leading manufacturers of valves and pressure fittings for the drinking water and gas supply as well as of pipes and fittings for the drainage systems.
Furthermore the development and production of acid-proof enamelled components and pipes for the plant engineering of the chemical and pharmaceutical industry belongs to the core competence of Düker.
In the Lower Franconian locations Karlstadt and Laufach there are around
650 employees with an apprenticeship rate of approximately 8%. So Düker is one of the biggest German iron foundries.

Your partner for convincing casting solutions.
Right from our initial contact with you, we work together actively with you as a competent casting and materials-engineering partner.
Our specialists will advise you in all matters relating to casting processes, materials and machining. We also provide competent support for individual problems and develop new and innovative solutions in cooperation with you.
We, as experts in sand casting, precision casting Exacast® and machining, offer you many years of specialist competence which has proven its worth over time.