Quality without compromise
KSI is the reliable and strong partner for the compressed air trade!
Our Products
Our extensive product portfolio for compressed air & condensate treatment and filtration technology.
Three decades of compressed air
Family-owned and family-run since 1996
KSI is the independent partner for compressed air treatment and spare parts. Manufacturing high-quality products at competitive prices - that is our key to success!
Loyalty - Availability - Quality
Real partnership!
The partner of the specialised trade!
We understand the requirements of the specialised trade: fast delivery times, high availability, personal advice and reliable support are a matter of course for us
Find a location near you
At home in Willich on the Lower Rhine but with an international presence and excellent network.
Intelligent system solutions: everything from a single source
Browse our extensive product portfolio to find the right solutions for your compressed air application. If you can't find what you're looking for, simply contact one of our experts.
Technical manuals
Are you looking for manuals and instructions for commissioning or maintaining your KSI devices? This way please!
Downloads