High Precision Thin Film Extrusion Melt Pump, EVA Blow Film Sheet Pipe Pelletizing Metering Pump

High precision thin film extrusion melt pump, also known as polymer melt metering gear pump, is a core auxiliary component specially matched for plastic extruder lines. Widely applied for EVA blow film, cast sheet, plastic pipe and plastic pelletizing production, this melt gear pump delivers stable volumetric feeding, pressure boosting and pulsation-free melt transfer for thermoplastic polymer extrusion systems.

Different from ordinary melt pumps, this extrusion metering pump is optimized for thin-gauge film production, where even tiny flow fluctuation will directly cause uneven film thickness, wrinkles and high scrap rate. Adopting precision ground helical gear structure and premium tool steel or stainless steel body, the thin film melt pump isolates pressure oscillation from the extruder screw, stabilizes die inlet pressure and maintains consistent melt flow rate during continuous running. It realizes accurate polymer metering, greatly reduces thickness tolerance of EVA blow film, cast sheet and thin-wall pipe, and cuts down defective products in film extrusion processing.

This EVA melt metering pump supports a wide viscosity range, perfectly compatible with EVA, PE, PP and other common raw materials for blow film, sheet, pipe and pelletizing lines. It can work stably under high temperature and high pressure conditions, featuring good wear resistance, corrosion resistance and reliable sealing performance. Installed between the screen changer and extrusion die, the melt booster pump shares pressure-building work for the extruder screw, lowers extruder back pressure, reduces material residence time inside the barrel, saves power consumption and raises the stable output of the whole extrusion.

Our thin film extrusion melt pump covers multiple displacement specifications, customizable according to customers’ line capacity, material viscosity and working pressure requirements. It can be matched with twin-screw or single-screw extruders for EVA film blowing, sheet extrusion, pipe extrusion and plastic pelletizing projects. Every melt gear pump is strictly tested for metering accuracy, pressure tightness and high-temperature endurance before delivery.

If you are looking for a durable, high-precision melt metering pump to upgrade your EVA blow film, sheet, pipe or pelletizing extrusion line, our factory direct melt pump is your ideal choice. We support custom flange connection, seal structure, drive assembly and displacement to fit your existing extrusion equipment, together with professional technical guidance for installation and commissioning.

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