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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

MEORGA Hamburg 2025

MEORGA Hamburg

Four cities, four trade fairs, four opportunities to network with specialists in measurement, control, and automation technology. As one of Germany's leading valve manufacturers, we were among the exhibitors at MEORGA Hamburg.

Seetal Business Breakfast

As hosts of the annual business breakfast organized by the IDEE SEETAL association, we welcomed around 125 entrepreneurs from the region to our Sistag plant in Eschenbach last week. It was a pleasure!

SME Parliament 2025

SME Parliament 2025

Our CEO Samuel Sidler represents the canton of Lucerne in the newly founded SME Parliament. Together with 45 other Swiss entrepreneurs, he has the opportunity to bring ideas and impetus from the business world to the Federal Parliament and thus actively shape the future of the Swiss economy.

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