Rubber expansion joints for a copper mill

Delivery of PTFE-lined rubber expansion joints for wet gas scrubbing of a copper mill. Multiple-arch expansion joints designed for +/- 120 mm lateral movement in the event of earthquake. High amounts of moisture due to droplet condensation of SO2/SO3 gases into sulphuric acid in the GRP pipelines require tight rubber expansion joints with chemically resistant interior Teflon lining.
Due to the vacuum and the rubber bellow, support rings are embedded in the arch apexes so that the expansion joints retain their dimensional stability, do not reduce the duct cross-section and cannot receive direct flow from the pumped fluid.



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We are manufacturers. Made in Germany

In the professional field in Europe, the United States, South America, Russia and large parts of the Arab world, ditec has come to be synonymous with the highest "made in Germany" quality – true virtuosi of expansion joint construction.

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Renewal of certificate PED 97/23/EC

In order to sustainably enhance our quality, we regularly undergo numerous internal durability tests, laboratory investigations and tests conducted by independent materials testing institutes.

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We are problem solvers 

We specialise in difficult cases, and even cases thought impossible: unusual building gaps where no standard dimension will fit, or applications with strict pressure requirements, including large dimensions. We resolve challenges with special requirements. read more

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