Wilhelm Kreisel founded on August 12, 1912 a metalworking and autogenously welding company in Keula. The first product they manufactured were air filters. For more historical details, please watch this video.
KREISEL is a medium-sized company with a staff of about 100 employees. The company designs and manufactures components for bulk material handling and filter plants: Rotary valves, rotary feeder, rotary airlock, vertical star feeders, flap gate valves, slide gates, shutt-off gates, double flap gate valves, tangential rotary valves, self-cleaning rotary valves, blowing through rotary valves, star feeder, two-way diverter, branching chutes, bin top filter, bag filter, bag houses, jet-bag filter, dedusting systems, wet dedusting systems, cyclones, recuperators, pressure vessels, explosion-proofed valves, pneumatic conveying.