... requirement.Agitator1.Fermentor use SEW motor reducer 2.top mechanical agitator with two layer six blade impeller, one layer ... on lower side, side glass, top with foam and level probe, and 12v sight glass with lamp, etc.ConstructionFloor-typeOne fermentor ... GRUNDFOS 7.solenoid valve to controlRotate speed1. Automatically control, with auto alarm function2. Siemens frequency converter to adjust the ...