We are innovators and facilitators – always have been, always will be
Learn moreWe 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.

Discover our job profiles
We are always evolving and looking for new talent. Whether it’s in product development, production, service or sales, we have plenty of exciting jobs and career opportunities to offer, including for those just starting out in their first job or for apprentices. Our employees take you with them - click through their stories.
JOBPROFILE STORIESWhether 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.
From the initial idea through to the installation.
Learn moreNew at Sistag
Aqua Pro 2026 – We're in!
We will be exhibiting at Aqua Pro 2026 from February 4 to 6, 2026. Visit us at our booth 50-06 and find out more about our solutions, products, and services. We look forward to meeting you in person at the trade fair. Get your free ticket now!
New Year's morning snack
We kicked off the new year together with a delicious New Year's morning snack. We enjoyed a cozy get-together where we could chat, enjoy ourselves, and start the working day feeling refreshed. With this successful start, we are looking forward to the new year with motivation and anticipation.
Christmas Party
Mulled wine, twinkling lights, and authentic Christmas market vibes. Our Christmas party was simply magical and the perfect end to a great year. Here's to many more moments together in the New Year!