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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 50 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

Material testing glider system

R&D Experiments

Our engineers are constantly working on improving our knife gate valve design and finding solutions for every possible application. Currently, the team is experimenting with different glider systems that are FDA approved and at the same time function perfectly in high-temperature areas of up to 250°C. Six different materials are being tested over a period of 20,000 strokes.

IDA Article Plasma Cutting System

Our plasma cutting system MasterCut Compact

...or "Little Marie" as we fondly call her. Portrayed in an article by Industriearmaturen & Dichtungstechnik.

Indutec Product Day 2023

Indutec Product Day

Hands on with our sales partner Indutec Soluciones Técnicas S.L.U. We were recently invited to our partner’s product day in Montmeló, Spain. So much to learn from each other while attending product trainings, assembling valves or cooking fancy dishes together.

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