Parallel Twin Screw Barrel Twin screw barrel is gradually adopted by many manufacturers because of its high efficiency. Compared with single screw barrel, twin screw barrel has higher requirements for machining clearance. Our company has a professional team to help users solve design problems, and can also process according to the samples or drawings provided by customers. Technical Parameters Product Name: Parallel Twin Screw Barre Base Material: JYN1 Available Size: Φ35 - 188mm, L < 2,500mm Process Method: Nitrided or bimetallic Advantage Unique technical design with larger output; Advanced equipment with finest machining; Perfect match of tolerance. Applications Suitable for RPVC, CPVC (both virgin & recycled material), PE pipe and granule.