All the vessel shaped SUB and SUF products presented on CerCell website require some sort of rotating device for mixing and agitation purposes. This by loosing power, kinetic energy into the fluid. A huge range of servo motors are used and arranged schematically on CerCell's website for your information. The number of servo motor adaptors are dominated, not surprising, by the Biostat brand and the Applikon brand.
In total app 40.000 PCS is in operation on the globe. App 50% is PCS from former B.Braun in Melsungen, Germany and now Sartorius-Stedim. App 25% is from Applikon and the rest shared among app 25 different global PCS manufactures.