PEX Pipe Production Line/Plastic Pipe Extrusion Line

The PEX pipe extrusion line is a specialized production system designed to manufacture pipes that consist of an inner layer of PERT (Polyethylene of Raised Temperature Resistance) and an outer layer of EVOH (Ethylene Vinyl Alcohol) resin. This combination of materials provides the pipes with enhanced properties such as oxygen barrier, chemical resistance, and thermal stability, making them suitable for applications such as underfloor heating, hot and cold water distribution, and radiant heating systems.
The PEX pipe extrusion line typically includes components such as an extruder, co-extrusion die head, a vacuum calibration tank, a haul-off unit, a cutting machine, and a pipe winding machine. The process begins with the feeding of PERT resins into the extruder, where they are melted and then co-extruded through the die head to form a pipe with a PERT inner layer. After shaping and cooling, EVOH fed into CO-extruder to wrap around inner PERT layer, the pipe is then cooled and shaped in the cooling tank before being pulled and cut to the required length.
The function of the PEX pipe extrusion line is to produce pipes with a PERT inner layer that provides flexibility and impact resistance, combined with an EVOH outer layer that acts as a barrier to oxygen and other gases, making the pipes suitable for transporting hot water and other fluids while preventing corrosion and maintaining water quality. The resulting pipes offer a combination of mechanical strength, chemical resistance, and barrier properties, making them ideal for demanding applications in residential, commercial, and industrial settings.
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