by krollziller | 29. April 2021
On April 23, 1940, the company Kroll & Ziller GmbH & Co. KG was founded, which later moved from the former Upper Silesian mining region to Dusseldorf. Kroll & Ziller is now a member of the Ziller Holding group of companies. by Simone Ickert | 12. April 2021
Successful testing by TÜV SÜD with hydrogen gas (H2): Kroll & Ziller’s rubber-steel flat and profile seals made of the elastomer material NBR-DUO-EL are now suitable for use in contact with hydrogen. by krollziller | 12. April 2021
Development of the rubber-steel profile gasket with open insert for special designs with nominal widths up to 3500 mm. This gasket is frequently used in plant and tank construction, for statically weakly designed flange connections, non-standardized flange connections... by krollziller | 12. April 2021
After the death of the senior boss Dr.-lng. E. h. Hans J. Ziller, his four children take over the management and responsibility of the group of companies. Sales and administration of the Entrepreneurs’ Association in Düsseldorf are abandoned. In 1989, a... by krollziller | 12. April 2021
After successful foundation of the company NILOS in the field of conveyor belt equipment, it is again mining and knowledge from practice that solve another problem: The first G-ST ring (rubber-steel flange gasket) is developed. The previously used unstable rubber ring...
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