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We are innovators and facilitators – always have been, always will be

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We are a family-owned company. That shapes our traditions and the way we think and act. We have been setting standards in the valve industry for over 60 years. Because we understand what moves people and satisfying their needs is our priority; working together to learn new things, find new solutions, and achieve unique results that inspire. Now and in the future.

Whether they come in the form of knife gate valves, butterfly and check valves or water control gates, isolation valves are our expertise. We combine engineering skills with exceptional manufacturing know-how. Our definition of performance: the highest level of quality, which stands the test of time.

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 Take a look behind the scenes

From the initial idea through to the installation.

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New at Sistag

Helicopter installation

Helicopter installation

Our valves ensure reliable shut-off in the most remote locations. The installation can be quite adventurous for our service team.

Mining Türkiye 2024

Four exciting days at Turkey's largest mining trade fair come to an end. Together with our Turkish sales partner Sunsay Muhendislik End. Malz, we participated as an exhibitor for the first time.

Dresden Wastewater Conference 2024

Dresden Wastewater Conference 2024

Two exciting days filled with informative keynote speeches and interesting encounters in the exhibition area lie behind us. A key topic was the implementation of fourth purification stages in wastewater treatment. An area in which we have already gained some experience with our valves.

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