Demag

Screw, barrel and valve assemblies engineered to fit Demag injection moulding machines.

Demag — Rootier BY MACHINE component

Demag Screw Barrel

ROOTIER supplies replacement and custom screw barrels for Demag injection molding machines. Our solutions cover different Demag machine models and injection units, with screw diameters from Ø14 to Ø145 mm. Screw and barrel configurations can be manufactured according to the machine specification, screw diameter, L/D ratio and processed resin. Refer to the product data below to find the available Demag screw barrel sizes.

Product data

Product NameDemag Series
Tonnage10-2000T
BrandROOTIER
Screw Diameter16-200mm
MaterialBimetallic, Hardened
ApplicationPP, PE, PS, PVC, PA, PBT, PEEK, PVC, LCP, POM, PC..

Specification

Demag Injection Unit Screw Barrel Size

ModelInjection UnitScrew Size
Systec 35/320120Ø14, Ø22, Ø25, Ø30
Systec 50/370200Ø25, Ø30, Ø35
Systec 60/420310Ø30, Ø35, Ø40
Systec 80/420430Ø35, Ø40, Ø45
Systec 100/420600Ø40, Ø45, Ø50
Systec 160/520840Ø45, Ø50, Ø60
Systec 210/5801450Ø50, Ø60, Ø70
Systec 280/6302300Ø60, Ø70, Ø80
Systec 420/8203300Ø70, Ø80, Ø95
Systec 500/9206400Ø80, Ø95, Ø110
Systec 650/10209500Ø95, Ø110, Ø130
Systec 1000/140011500Ø110, Ø130, Ø145
Systec 1300/150016000Ø110, Ø130, Ø145

Frequently Asked Questions

  • Yes. ROOTIER manufactures replacement screws, barrels, screw tips, non-return valves and nozzles engineered to fit Demag injection molding machines. Standard sizes are held in stock for common models, and custom components are produced to drawing or sample.

  • Send your Demag machine model, injection unit, screw diameter and L/D ratio together with the resin you process. ROOTIER will recommend the matching screw geometry, material and surface treatment for your application.

  • ROOTIER offers nitrided 38CrMoAlA, bimetallic-lined and fully hardened screws and barrels, with chrome plating, PVD or HVOF coatings selected for the resin, filler content and wear conditions of your Demag machine.

  • ROOTIER supplies screws and barrels for Demag Systec 35/320 through Systec 1300/1500 machines, with screw diameters from Ø14 to Ø145 mm.

  • Yes. ROOTIER offers bimetallic barrels and wear-clad screws for Demag injection units processing glass-filled or engineering resins, selected for the filler loading.