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China, Chinese Gear Metering Pump for Melt Spinning Filaments1 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
Chemical Fiber MachineAcrylic Gear PumpGear Pump
Shanxi Jingwei Chemical Fiber Machinery Co.,Ltd
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Product DescriptionSpecificationmodelJSCapacityPacking & DeliveryCompany ProfileApplications of Gear Metering Pumps for Melt Spinning Filaments1. Application in Major Synthetic Fiber Melt Spinning ProductionThis type of pump is widely used in the production of mainstream synthetic long filaments, adapting to the different melting characteristics (temperature, viscosity) of various polymers and ensuring stable spinning quality:- Polyester (PET) FilamentsPolyester is the most widely produced synthetic fiber, and its melt spinning (typically at 270-290°C, melt viscosity 500-2000 Pa·s) has strict requirements for flow stability. The gear metering pump plays a critical role here:Application Scenarios: Production of full-process polyester filaments, including POY (Partially Oriented Yarn), FDY (Fully Drawn Yarn), and DTY (Draw Textured Yarn).Key Function: Precisely controls the melt delivery volume to each spinneret hole (usually 36-144 holes for polyester POY). For example, in high-end FDY production (used for clothing fabrics), the pump ensures the linear density deviation of single filaments is within 0.1 dtex, avoiding uneven fabric thickness or dyeing defects caused by melt flow fluctuations.
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