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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

kbkv Training

With more than 80 participants, the Association of Bernese Wastewater Treatment Plant Specialists visited the Sistag plant in Central Switzerland for a training session. The day’s program included AUMA adjustments, knife gate valve assembly, and maintenance workshops.

Announcement Indonesia Miner

Indonesia Miner

From May 5 to 7, 2026, the mining industry will gather in Jakarta for Indonesia Miner. Together with our Indonesian partner PT. OSA Industries, we will be participating as exhibitors for the first time.

ABB Technical School Info Event

Ready for the Next Career Level

Professional training doesn’t end with the completion of an apprenticeship. We continue to support our employees in their professional development. To highlight future opportunities, we’ve invited a lecturer from the ABB Technical School to speak with us today. Let’s stay curious and move forward together.

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