5 Layer EVOH Oxygen Barrier Pipe Production Line

Below pipe extrusion machine is used to produce 5 layer PERT pipes with EVOH oxygen barrier layer in the middle. Comparred with 3 layer structure, five layer design ensure that EVOH oxygen barrier is protected and remains intact, safeguarding your radiant heating system.

Oxygen barrier tubing effetively prevents diffusion of oxygen molecules into the water through walls of the pip.  This feature prevents corrosion of cast iron components in the system (circulator pumps, air purgers, fill valves, boiler heating elements etc) and allows using it in hot water hydronic heating applications, including baseboard/radiator heating, fan coils, radiant floor heating and snow melting applications.

compared with 3 layer structre, 5 layer structure with oxygen barrier layer in the middle can be well protected during transportation or installation process.

TECHNICAL DATA

EVOH PIPE MACHINE DETAIL INTRODUCTION 

Extruders

• Extruders driven by AC motor; with ABB converter, Schneider electric elements; 
• SIEMENS PLC control system, to sync control with dripper inserting speed and haul-off speed

Co-extrusion Die Head

• Special designed 5 layer co-extrusion die head, to extrude each layer evenly and compond firmly;
• die head is made of high quality mould steel 40Cr, which is processed by imported CNC machinery.

 Vacuum tank & Cooling tank

• made by high quality SS304; high quality vacuum pump & water pump
• special design calibrator for EVOH pipe making

Winding Machine

• servo type traversing device, driven by SIEMENS servo motor
• with tension control device to auto adjust winding speed
• separate SIEMENS PLC control system
• Coil length free setting; 
• Auto stop protection function while sensor pipe end

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