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Batte Machinery Zhengzhou Co., Ltd.
E-mail: info@battemachinery.com
whatsapp: +86 158 38331071
Tel: +86 371 67991755
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Address:No.11 Changchun Road, High-tech Zone, Zhengzhou, China.

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Blown film extrusion gear pumps

Melt gear pumps for extrusion systems are referred to as melt pumps, also known as melt metering pumps or extrusion pumps, which can be used in various extrusion industries, such as sheet, plate, pipe, film, pelletizing, drawing, cable, co-extrusion, mixing, precision extrusion and other industries. It is suitable for the extrusion and transportation of thermoplastic high viscosity polymer melt; it is generally installed between the outlet of the extruder and the die head as a melt metering pump; it can also be installed in the polymer melt pipeline as a booster pump.

Blown film melt pump is mainly composed of pump casing, front and rear side cover, gear shaft, sliding bearing and shaft seal, etc.; it has the advantages of precise structure, high accuracy, small pressure and flow pulsation, and long service life.

polymer melt pump

Extruder pump material

Gear type: helical tooth or straight tooth cylindrical gears

Seal structure: melt dynamic seal + packing seal, mechanical seal, with cooling melt dynamic seal

Pump casing: stainless steel/alloy steel/corrosion-resistant alloy

Gear: Nitrided steel / tool steel / stainless steel + coating / corrosion-resistant alloys

Bearing: tool steel/copper alloy/stainless steel + coating/corrosion-resistant alloy

plastic extruder melt pump

Extrusion gear pump parameters

Conveying medium viscosity: 1~40000Pa-s

Suction pressure: 0~30MPa

Output pressure: 0~40MPa

Permissible differential pressure: 25MPa

Operating temperature: ≤350°C

Heating method: electric heating/heat medium runner heating

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