Connector Sockets  Manufacturers, Traders, Suppliers

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.

Since our foundation by Josef Jansen in 1923, we have developed from a small armored tube factory into a leading supplier of steel and plastic systems. Our history is characterized by a spirit of innovation, continuous growth and strong roots in the Oberriet region. As a third-generation family business, we attach great importance to long-term partnerships, social responsibility and the development of our employees.

1. steel systems for windows, doors and façades
We develop and produce high-quality steel profile systems for windows, doors, façades and folding and sliding systems. Our products are characterized by high stability, durability and aesthetic design and meet the highest security requirements.

2. PVC-U solutions for a wide range of applications
Our plastic systems offer customized solutions for various industries:

Profile extrusion: individually manufactured plastic profiles used in various industries.

Water management: Drainage systems, manhole systems, double wall systems and rainwater management solutions that impress with their quality and durability.

Building services: Heating, plumbing and air conditioning systems that ensure efficiency and reliability in building services.

Geothermal energy: geothermal probes, collector systems and distribution systems for sustainable energy generation from the earth.

Online Fachhandel für den Vertrieb von Elektromaterial, Verteiler- und Zählerschränken, Schalterprogrammen, Beleuchtung zu Großhandelspreisen

The Funke Kunststoffe GmbHcompany is one of the leading suppliers of products for the area of sewerage systems. The extensive product range offers not only the sewer pipe systems that have proven themselves many times in practice, but also a wide range of shaped and attached parts.
Complete range Professional solutions for rainwater management and infiltration complete a product range that is rounded off with flexible pipe connections as well as an extensive range of products for house connections and property drainage.
In addition, we offer ground support systems and professional products for gardening and landscaping. Furthermore, Funke is also represented in the do-it-yourself sector with gutter systems, the D-Raintank® DIY module and lawn grid panels.