
Manufacturer of compressed air treatment, filtration technology and condensate treatment for the specialized trade
KSI Filtertechnik GmbH
Willich (DE) · North America/South America (KSI Technologies)New on Amplifa
About KSI Filtertechnik
KSI is a family-run company founded in 1996 and based in Willich on the Lower Rhine, specializing in compressed air treatment and filtration technology. The product portfolio includes adsorption dryers, refrigeration dryers, membrane dryers, compressed air filters and filter elements, condensate management with oil-water separators, N2/O2 generators, measurement technology, controls as well as system solutions under the KSI SYSTEMS brand. The offering is complemented by online plant monitoring as well as service and aftersales. KSI sees itself as a partner to the compressed air trade and delivers products and spare parts with high availability and short delivery times. Internationally, the company is represented by its subsidiary KSI Technologies, which supplies customers in the USA, Canada, Mexico and South America with adsorption dryers, filters, filter elements and replacement elements.
- Site
- Willich
- Processes
- Adsorption drying (compressed air treatment), Compressed air filtration, Refrigeration dryers (compressed air treatment), Condensate management (oil-water separators), Membrane drying, Measurement technology, N2/O2 generators, Online plant monitoring
- Materials
- Adsorption drying, Refrigeration dryers, Membrane drying, Compressed air filtration, Condensate management, N2/O2 generators, KSI SYSTEMS
- Certificates
- Online plant monitoring, Service/Aftersales
- Founded
- 1996
- Industries
- Compressed air treatment, Filtration technology, Condensate treatment, General industry
- 01
Engineering and product development
- 02
Manufacturing of the treatment systems and filters
- 03
Assembly and control technology
- 04
Sales via the compressed air specialized trade
- 05
Online plant monitoring
- 06
Service/Aftersales
Product areas and system solutions
Adsorption drying
Drying of compressed air by adsorption for applications with low dew points.
Refrigeration dryers
Condensation of moisture from compressed air for general treatment.
Membrane drying
Drying of compressed air via membrane modules without power requirements.
Compressed air filtration
Filters and filter elements for the separation of particles, oil and condensate.
Condensate management
Oil-water separators for environmentally sound condensate treatment.
N2/O2 generators
On-site generation of nitrogen or oxygen from compressed air.
KSI SYSTEMS
Intelligent system solutions for compressed air applications from a single source.
Locations

Willich
DEHeadquarters with development, manufacturing and sales
- Materials
- Adsorption drying, refrigeration dryers, filtration, condensate management
Products and assemblies







Inside the production







Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Adsorption drying (compressed air treatment)Engineering | – | – | – | – | – |
| Compressed air filtrationEngineering | – | – | – | – | – |
| Refrigeration dryers (compressed air treatment)Engineering | – | – | – | – | – |
| Condensate management (oil-water separators)Engineering | – | – | – | – | – |
| Membrane dryingEngineering | – | – | – | – | – |
| Measurement technologyTesting | – | – | – | – | – |
| N2/O2 generatorsEngineering | – | – | – | – | – |
| Online plant monitoringTesting | – | – | – | – | – |
| Service/AftersalesEngineering | – | – | – | – | – |
| ControlsEngineering | – | – | – | – | – |
Additional services
Quality
KSI places value on high-quality products and supports the systems through online plant monitoring as well as its own service and aftersales over the entire life cycle.
| Evidence | Willich |
|---|---|
| Online plant monitoring | |
| Service/Aftersales |
History
- 1996
Foundation; family-owned and family-run since 1996