Kolomconstructie  Fabrikanten, distributeurs en leveranciers

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.

We are an experienced and flexible company in the field of apparatus and plant engineering, which has existed since 1995.
We have the following approvals as a specialist welding company: TÜV- HP0, HPO/EN 3834and ASME PQR1+2.
Furthermore we are certified according to DIN ISO 9001 since 2008 (Status ISO9001:2008)
Our main field of activity is the manufacture of pressure vessels, columns, heat exchangers, piping and pipe accessories, mainly from rust and acid-resistant stainless steels of the following grades: 1.4301- 1.4571-1.4306-1.4435-1.4539. In
addition, the following can be processed: Inconel, Hastelloy, titanium, as well as heat-resistant stainless steels 1.4828 / 1.4841, and in exceptional cases carbon steel.
We manufacture all components according to customer drawings, according to customer requirements, also with construction.
Our capacities and processing possibilities:
Production area: 1000 m²
crane capacity : 2 x 6.300kg
container sizes : up to ø2000mm x 7000mm lg. Or other sizes on customer request
rolling : ø 3000 x 2500 x 10mm
edges : up to 4000 x 6mm
Cutting : up to 3000 x 10 mm / laser, water jet -> EXTERNAL
Milling : 1500 x 1000x 800 mm, 4-axis digital
turning : ø 750 over bed, ø 520 over slide
Bath pickling : basin 6000 x 2900 x 2000 mm
Electropolishing : basin 3900 x 1500 x 1400 mm
Glass bead blasting
Our company philosophy is: "We for our customers!"

• high reliability, high degree of service friendliness
• Flexibility
• know-how

EBNER is een onafhankelijk, middelgroot bedrijf voor installatie- en apparatenbouw met een eigen expertise en meer dan 50 jaar ervaring.
De kerncompetenties liggen op het gebied van thermische scheidingstechnologie, met name op het gebied van verdamping, kristallisatie, condensatie, warmteoverdracht, ontgassing en soortgelijke processen.