The various column sections up to DN 400 (16) are usually connected by loose flanges. Nominal diameters of 500 (20) and 600 mm (24) require the use of profile rings and pipe clamps. If the customer so desires, the supply includes internals such as supporting rings, perforated plates, inlet pipes, flow distributors and the like. Comprehensive internal testing to DIN, ISO, ASME and factory standards, company-specific regulations and T acceptances afford optimum certified safety.

The development and setting up of complex process equipment call for a great deal of planning and advice. You can rely on DER as a competent partner when it comes to operationally safe and economic incorporation of reliable units and columns into a production system. Our expertise is available not only for the process of making plant items but right through the tender and design stages, project work, installation and after-care