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As a future-oriented family business with Swiss roots, Sistag has been setting standards on the national and international valve market since 1964. With knife gate valves, butterfly valves and water control gates. Experience in engineering, own production facilities and excellent manufacturing expertise and know-how in various areas of application make Sistag a reliable partner for customers all over the world. Even under the most severe conditions, Wey valves remain fully functional and bubble-tight over long service lives. Sistag’s definition of performance: The highest level of quality, which stands the test of time.
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