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Duker Quality Management System
Düker carries out numerous tests and analysis in its factory. Apart from metallographic tests that serve to keep the quality of the material cast iron on a uniformly high level, there are also tests on the finished product, such as crush tests for the pipes or layer thickness tests and resistance tests for the coatings.
 

Furthermore, the Düker Quality Management System also covers quality-relevant regulations for the departments lined in before and after manufacture, as well as all commercial activities. The QM system has also proven itself to external test authorities:

Certification as per ISO 9001 : 2000
Düker was one of the first companies of the trade to be certified as per DIN EN ISO 9001.
Since then, the QM system has been and is being adapted continuously to the latest requirements.

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Duker cast iron drainage pipe systems for building and site drainage.

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