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

Video shoot image film

And Action!

We spent two days to perfectly showcase our employees and our products. The footage taken at our production site and at one of our customers will be used to create our new Sistag image film.

Graduation 2024

Successful graduation

Our four apprentices successfully completed their apprenticeships as polymechanics and production mechanics last week. Congratulations to Nico-Enea, Mohammad, Gentian and Mohamed! We are incredibly proud of you.

Installation Timesavers

Expansion of our machine park

The Timesavers, our new belt grinding machine, continues the series of major investments in our production. The new system measures an impressive 11 m. Even one or two walls in our production hall had to make way for the new machine.

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