Welltec

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

Welltec — Rootier BY MACHINE component

Welltec Screw Barrel

ROOTIER supplies replacement and custom screw barrels for Welltec injection molding machines. Our solutions cover different Welltec machine models and injection units, with screw diameters from Ø30 to Ø110 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 Welltec screw barrel sizes.

Product data

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

Specification

Welltec Injection Unit Screw Barrel Size

ModelInjection UnitScrew Size
90Se—Ø30, Ø35, Ø40
130Se—Ø35, Ø40, Ø45
160Se—Ø40, Ø45, Ø50
190Se—Ø45, Ø50, Ø55
260Se—Ø50, Ø55, Ø60
320Se—Ø55, Ø60, Ø65
380Se—Ø60, Ø70, Ø80
450Se—Ø70, Ø80, Ø90
500Se—Ø70, Ø80, Ø94
600Se—Ø80, Ø90, Ø100
660Se—Ø80, Ø90, Ø105
750Se—Ø90, Ø100, Ø110

Frequently Asked Questions

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

  • Send your Welltec 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 Welltec machine.

  • ROOTIER supplies screws and barrels for Welltec 90Se through 750Se injection units, with screw diameters from Ø30 to Ø110 mm.

  • Yes. ROOTIER offers bimetallic-lined barrels and hardened screws for Welltec injection units running filled or regrind materials.