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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.

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 From January 2025

New production location in Ettlingen.

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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

Ice Hockey Sistag Classic

Sistag Classic 2025

On Friday, HC Sistag competed in the legendary Sistag Classic at the Ice Line Hochdorf again. After an intense 60 minutes of play, team Turquoise beat team White to win the coveted trophy. Congratulations to the winning team and all the participants! Once again, a great event.

Knife gate valve assembly in Ettlingen

Knife gate valve made in Germany

This knife gate valve VNA DN 250 is truly special. It is the first of many Wey knife gate valves that will be assembled by our Sistag team in Germany. After months of planning and preparation, our assembly department at the new Sistag site in Ettlingen is thus officially in operation.

Office space in Ettlingen

Our new offices in Ettlingen

We are proud to present our new office space at the Sistag site in Ettlingen. This is where our German sales team will be consulting, supporting, organizing - and growing.

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