1991 Davis Standard 4.5" 30:1 Extruder available. Features electrically heated air-cooled barrel, 17.38:1 gearbox, 150 hp DC motor, vented barrel, 2-stage screw, and includes a used Kryenborg continuous screen changer.
Used 4.5" Davis Standard 30/1 L/D Extruder, Electrically Heated Air Cooled Barrel. Includes gearbox with 17.38/1 gear ratio rated at 321 hp. Serial #L3206, SO #03643. New 1/1991. Includes continuous style screen changer, 42" air cooled centerline barrel height and temperature control panel but without temperature controllers. Driven by 150 hp DC motor with SCR control.
There is a vented barrel, and 2 stage screw available for this extruder.
https://www.markonemachinery.com/listings/6592323-used-davis-standard-vented-barrel-and-screw-for-4-5-extruder
includes:
Used 4.5" (121mm) Kryenborg (Nordson) continuous screen changer, model K-SWE-121, dual 4.5" breaker plates, rated 200-500 kg/hr, on cart. With hydraulic pump
