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Gemini Parallel Extruders

Gemini Parallel Extruders
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PROFILE GEMINI® PARALLEL (GP) TWIN SCREW EXTRUDERS Davis-Standard’s Gemini® series parallel twin screw extruders GP-94 (94mm), GP-114 (114mm), and GP-140 (140mm) are designed for the global RPVC window, fence, pipe and custom profile markets in 28:1 L/D configurations, and the LDPE foam packaging market in 36:1 L/D configurations. GP extruders can process larger amounts of resin per screw revolution because of longer screws and a higher torque capacity. Many innovative features make this extruder a leader in its class. At A Glance • Increased output rate over competitive models. • Increased torque capacity over competitive models. • Durable design with flexible processing capabilities. • Equipped with a control cabinet and drive motor mounted on a common base. www.davis-standard.com

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GEMINI® PARALLEL (GP) TWIN SCREW EXTRUDERS cont. FEEDSCREW/BARREL All standard GP extruders are equipped with either 28:1 L/D or 36:1 L/D suitably treated screws. The barrel is twin parallel bored and vented with bimetallic or nitrided alloy steel construction that is electrically heated and has five water or air-cooled barrel zones. The system’s melt pressure transducer has a 0-10,000 psi (0-690 bar) rating. The vacuum venting system includes a covered powder trap and vacuum pump. GEARCASE The GP extruder features a heavy duty gearbox with carburized and ground helical gearing. The...

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