We offer tubolar screw series ct thu have been designed for a constant transport of powder products and are available in 5 types with different diameters (168, 193, 273, 323). The standard version normally consists of: outer casing in carbon steel tubecentre shaft with helical flightend- shield bearing and seal at long lifeinletinspection door under inletoutletmotor drivefor screw feeders longer than 4.00 mt special intermediate bearings will be utilised.