High-Performance Conical Twin Screws & Bimetallic Barrels
PIPLL provides custom Conical Twin Screws and Bimetallic Barrels optimized for UPVC drainage pipe extrusion. Built for high viscosity, corrosive HCl gas, and heavy CaCO₃ filler loads, our components maximize output and extend service life.
Product Features
· Conical Twin Screw: Counter-rotating design for low-shear, uniform melt without degradation.
· Bimetallic Barrel: 1.5–2.0mm alloy lining delivers 3–5x longer life against wear & corrosion.
· Smart Temp Control & Venting: Core liquid cooling avoids black spots; vacuum venting removes voids.
· Higher ROI: +10%–20% throughput with drastically reduced downtime and maintenance costs.
Technical Specifications
Item | Specification |
Application | UPVC building drainage, underground sewage, rainwater downspouts |
Materials | UPVC, CPVC, highly filled PVC compounds |
Components | Conical twin screw & bimetallic barrel set |
Screw Type | Customized counter-rotating Conical Twin Screw |
Screw Diameter | Customized (e.g., 55/110, 65/132, 80/156, 92/188 mm) |
Surface Treatment | PTA Bimetallic coating (Tungsten Carbide / Cobalt alloy) |
Surface Hardness | HRC 60–65 |
Barrel Material | 38CrMoAlA + 1.5–2.0mm Bimetallic Alloy Liner |
Temp Control | Multi-zone air cooling + Screw core liquid circulation |
Performance | High output, excellent melt uniformity, extreme wear/corrosion resistance |
Applications
· UPVC building drainage pipes & rainwater downspouts
· Underground sewage & drainage pipe networks
· UPVC double-wall corrugated pipes
· CPVC piping & agricultural irrigation systems
Why Choose PIPLL
PIPLL offers custom engineering tailored to your formulations and pipe specs. We help you increase throughput, guarantee pipe wall quality, and lower long-term maintenance costs.
+86 15267878906
1306 W building , NB-IoT Industrial Park, No. 199 Changxing Road, Jiangbei, Ningbo.
