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How to Choose the Right Barrel for Twin Screw Extruder? Here's What Matters

2025-05-01

When it comes to replacing barrels for twin screw extruders, precision, material standards, and compatibility are the top concerns for European equipment users. ZHITIAN, a certified manufacturer specializing in twin screw extruder components, offers ISO-compliant production, design support, and extensive export experience.

Our barrels are designed for applications such as plastic compounding, masterbatch production, biodegradable materials, engineering plastics, and food-grade extrusion. Compatible with major brands including Coperion, Leistritz, Berstorff, JSW, TOSHIBA, Jwell, SM, KEYA, USEON, CPM, Buhler, Cowin, XINDA, and more.

Why Choose ZHITIAN’s Twin Screw Extruder Barrels?

Materials meet European standards (e.g., German 38CrMoAlA, 1.2344, 1.2379, 1.4112)
Machining tolerances up to ±0.01mm; total run-out <0.03mm after assembly
Drawing verification service to ensure 100% compatibility
Optional wear/corrosion-resistant coatings: carbide, nickel alloys, etc.
Professional export packaging and international show experience (K Show, CHINAPLAS)

FAQs

How to select a barrel for your extruder?

Selection depends on screw diameter, L/D ratio, material throughput, temperature and pressure. ZHITIAN offers drawing-based matching and consultation.

Which barrel material should I choose?
For wear resistance: W6Mo5Cr4V2, CPM10V; for corrosion: 1.4112 or Hastelloy; for complex use: ZHITIAN’s proprietary alloys like ZT615 or ZT818.

How do ZHITIAN barrels compare to OEM parts?
ZHITIAN provides equal or better precision and performance, with full compatibility, and can offer customized improvements.

Typical Specifications

Item	Range / Notes
Screw Diameter	Φ16mm – Φ400mm
Barrel L/D Ratio	L/D = 24–64
Material Options	38CrMoAlA / 1.2344 / Hastelloy / ZT818 etc.
Surface Treatment	Nitrided, Sprayed, Alloy Overlaid
Tolerance	±0.01mm
Compatible Brands	Coperion, JSW, Leistritz, etc.

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How to Choose the Right Barrel for Twin Screw Extruder? Here's What Matters

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