... by adding a set of hollow shafts which installed low speed scraper, and this low speed scraper can get the inner wall sticky material ... of a set of balanced pulleys, V belts, electric motor and motor tensioning device. The drive head is of hinged type ... and outside.Main Technial DataTypeMain motor(Kw)Dispersing Speed(rpm)Blade Dia.(mm)Scraper motor(Kw)Scraper speed(rpm)Liftingdistance (mm)PumpPower(Kw ...