Conical Twin Screws
Xaloy® Counter-Rotating Conical Twin Screws are precision-engineered for stable, energy-efficient PVC extrusion. With outstanding melt quality and temperature control, they’re the go-to solution for producing high-performance PVC profiles, windows, pipes, and compounds. Trusted by industry leaders, these screws deliver consistency you can count on.
Benefits
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High torque at low RPM for gentle shear and uniform melt quality in PVC
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Counter‑rotating design provides precise melt control and consistent output
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Compact footprint with a large feed opening, ideal for space‑limited lines
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Premium wear & corrosion protection for PVC and filled formulations
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Faster start‑ups and fewer adjustments with resin‑specific designs
Features
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Materials of construction:
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XWC™ – Tungsten carbide hardface
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XMO™ – Molybdenum-welded hardface
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MPX™ – Tungsten encapsulated
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XNV™ – Nitrided screws
Applications
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PVC pipe and conduit extrusion
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Window and door profiles
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Siding, fencing, and decking
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Rigid PVC sheet and foam PVC
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CPVC and PVC blends
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Compounding
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Pelletizing
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Other high-wear conical twin applications