Meidinger AG

Meidinger AG is a medium-sized Swiss industrial fan manufacturer based in Kaiseraugst, Aargau, operating as an independent company within the Witt Group. The company specializes in custom-engineered centrifugal fans, axial fans, and jet fans designed for conveying technically demanding media — including explosive gases and vapors (ATEX-certified), corrosive and toxic substances, dust-laden air, and high-temperature flue gases. Meidinger's production facility in Kaiseraugst houses approximately 3,000 m² of manufacturing space with in-house impeller construction, pressure-resistant vessel welding, laser cutting for various steel grades, and static and dynamic balancing capabilities. The company operates a standard test stand per ISO 5801 for performance measurements and characteristic curve recordings. Meidinger offers centrifugal fans in direct drive, belt drive, and coupled drive configurations, available in various materials with options for gas-tight, pressure-resistant, and pressure-shock-resistant designs. Their axial fans and jet fans serve tunnel ventilation and general industrial air movement applications, while their special fans address niche requirements in the biogas, food and pharmaceutical, chemical, and energy sectors. Key ATEX certifications cover Categories 1G, 2G, 3G, and 2D/3D for gas and dust explosive atmospheres. The company provides commissioning, maintenance, performance upgrades, user training, original spare parts, and exchange fan services.