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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 50 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

Save the Date: Dresden Wastewater Conference 2024

Save the Date

We will be exhibiting at the Dresden Wastewater Conference again this year and look forward to welcoming almost 800 participants from the water and wastewater industry.

AFT visit 2024

Pressure test in front of an audience

Our Polish sales partner AFT Sp. z o.o. visited the Swiss Sistag plant together with the end customer for the final pressure test of several DN 1400 knife gate valves.

AUMA Training Müllheim

Learning from the pros

Our Swiss service team visited our partner for electric motors AUMA in Müllheim for a technical training. Under expert guidance, we were able to deepen our knowledge of electric actuators and learn many new things.

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