Fermenter body The size of fermenter takes in general use type as basis and The main material of the fermenter is made by 316L stainless steel. The design pressure: P(inside)= 0.3Mpa, P(interlayer)= 0.3Mpa, The polishing precision: Ra0.4～0.6, the ratio between diameter and height: 1:2. 5 liter fermenter Work volumes ranging from 2-3.5 Liters 50 liter fermenter Work volumes ranging from 20-35 Liters 500 liter fermenter Work volumes ranging from 200-500 Liters Sterilization method Auto sterilization Stirring system Mechanical sealing system at the top of the fermenter; high-powered stirring oar, antifoam oar; AC electrical machine(SEW): infinite speed variation;rpm in the 500L germ fermenter: 70~400rpm±1%rpm;, The height of the stirring oar can be adjusted, too. http://www.knikbioreactors.com/html/en/product/parallelstainlessfermentor parallel stainless steel fermenter for sale http://www.knikbioreactors.com/html/en/product/labstandardfermentor Laboratory Bioreactor http://www.knikbioreactors.com/html/en/product/labstandardfermentor laboratory bioreactor manufacturers