The sterile Vessel with a stirrer coupled to a suitable motor, supplied with a Variable Frequency Controller (VFD), mounted on the top dish. We can provide the stirrer with a single cartridge dry mechanical seal of carbon v/s Sic face Combination. Optionally the Vessel is available with a bottom entry magnetic stirrer and electropolished from inside. The Vessel with an S.S. jacket for electrical/steam heating and cooling options. It is supplied with mineral wool insulation and cladding with S.S. sheets fully welded.