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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

Donation WASH Projects

Throwing for a good cause

At our anniversary celebration, we demonstrated our team's accuracy with a specially constructed ball throwing wall. For every point thrown, we donated one Swiss franc to Rotary's WASH projects.

Anniversary celebration 60 years

Anniversary celebration

60 years must be celebrated in style. Preferably with a roaring party that lasts deep into the night. At least that's how we celebrated our anniversary with the entire Sistag team.

Industriearmaturen & Dichtungstechnik 3/2024

Hello Germany

“Swiss valve manufacturer expands in Germany”, reads the cover story in the current issue of "Industrial valves & sealing technology". The article refers to the new Sistag production site that is currently being built in Ettlingen in southern Germany.

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