Multi-layer PPR/PE Composite Pipe Extrusion Line

JWELL Machinery's multi-layer PPR/PE composite Pipe Extrusion line is equipped with our high-efficiency JWS series extruders and BM structure screws. It delivers excellent plasticization performance and stable multi-layer co-extrusion, making it an ideal solution for solar energy systems, thermal circulation, heating, and potable water supply applications.

Multi-layer co-extrusion

Composite Pipe Extrusion line adopts two-machine two-layer, two-machine three-layer or three-machine three-layer co-extrusion solutions. The wall thickness ratio of each layer can be adjusted online, enabling flexible production of multi-functional composite pipes such as PPR/PE composite pipes, PPR glass fiber reinforced pipes, and oxygen barrier pipes.

Efficient Extrusion

Our extruder uses high - efficiency BM barrier mixing screws with an L/D ratio of 33:1 or 38:1, paired with high - torque gearboxes and either permanent magnet servo or frequency - conversion motors. It delivers uniform plasticization, high output, and low energy consumption. 

Precision Co-extrusion Mold

Multi-layer spiral co-extrusion die head, with no dead corners in the flow channel, low pressure loss, and uniform melt temperature, ensuring that each layer is firmly bonded, with uniform wall thickness and high roundness.

Intelligent Control System

Our extrusion lines are equipped with Siemens PLC and a human - machine interface. They achieve full - line closed - loop control. These lines have functions like meter weight control, online wall thickness monitoring, energy consumption analysis, remote diagnosis, and maintenance reminders. They are easy to operate and highly stable.

Haul-off

• Depending on pipe diameter, it comes in 2 to 16 track configurations. Each track is independently clamped by its own pneumatic or hydraulic cylinder, with precisely adjustable pressure. This gives you strong, reliable traction without deforming the pipe or scratching the surface.
• All tracks are driven by servo motors paired with high-accuracy gearboxes, so speed variation is minimal. The haul-off synchronizes in real time, closed-loop, with the main extruder and the vacuum calibration tank to keep wall thickness consistent.

Cutter

• An annular cutter head spins the blades around the pipe while feeding them inward radially. No sawdust or dust is produced. The pipe ends come out smooth and are ready for butt fusion straight away, with no need for chamfering or cleanup.

• The cutter base sits on linear guide rails. Once clamped onto the pipe, it moves in sync with the line speed and cuts on the fly, so production never has to stop. A PLC tracks pipe length through a high-precision encoder and triggers the servo-driven cutting action, automatically cutting each pipe to the preset length.

PPR/Glassfiber/PPR pipe is widely used in solar energy, thermal energy circulation systems, heating systems, and water supply. This is because it has higher pressure and temperature resistance, a long service life, high strength, impact resistance, and can prevent pipeline sagging.

Jwell was founded in 1997, China Plastics Machinery Industry Association vice president unit, plastic extrusion equipment, chemical fiber spinning complete sets of equipment manufacturers. The production bases of Jwell company cover approximately 1,000,000 square meters and consist of 11 domestic factories and 3 foreign factories. The company has 26 professional subsidiaries and three heat treatment nitriding plants. It has an annual output of over 3000 sets of high - grade plastic extrusion production lines and other complete sets of equipment, which are sold in more than 120 countries and regions.

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