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Oxygen Barrier EVOH PEXA Pipe Production Line| EVOH PEXA Pipe Machine

This oxygen barrier pipe production machine is used to produce 3 layer type PEXa/EVOH oxygen barrier pipes. The line speed is up to 20m/min.
Unlike like oxygen barrier pipes,which are made by co-extrusion technology. The PEXa oxygen barrier pipes are produced with two separate steps. Firstly the inner PEXa pipes is made by Ram extruder, the oldest extrusion technology, known as ENGEL extrusion technology. Then coated with outer oxygen barrier layer, which is done by coextrusion techlogy.


Product Description

PEXa Oxygen Barrier Pipe Making Machine

This pipe extrusion line is used to produce 3 layer PEXa EVOH oxygen barrier pipes, with production speed is up to 20m/min.

Unlike other oxygen barrier pipe making, the PEXa EVOH pipes are made in two separate way. Firstly need a ram extruder to produce that inner PEXa pipe, then on the PEXa pipe, coat with outer oxygen barrier layer. Below line is that second step to coate the outer oxygen barrier layer.

pexa oxygen barrier pipe making machine

Technical Date:

Line Model Screw Diameter Production Scope Production Speed
KDZYXA-30  30mm 16-32mm 20m/min

Produced Pipes:

PEXa oxygen barrier pipe

Production Line Configration:

No. Machine Name Quantity
1 PEXa pipe uncoiling device 1set
2 Heating Device 2 sets
3 EVOH extruder 1set
4 Adhesive extruder 1set
5 Two layer co-extrusion die head 1set
6 Cooling tank 1set
7 Haul-off machine 2 sets
8 Pipe winding machine 1set

Machine Design Features:

PEXa pipe production machine     pipe haul-off machine

1) Two layer co-extrusion die head for that glue and outer EVOH oxygen barrier layer coating. Special designed with vacuum suction function, ensuring better compound of glue and EVOH layer.

2)Two set s of haul-off machines are equipped; first one is to straight the pipe, and keep stable of the pipe, to avoid any vibration of the pipe while entering the die head.

seberal stage of pipe straighten and guide devices are equipped. 

Haul-off speed is controlled by ABB controller, with syncronization function with extruder rotation speed. What's more, haul-off speed ratio of two haul-off machines are set on PLC control system, ensuring stable working of the system.

pipe coiler    pipe machine

3) Winding machine is used servo traversing unit, with better winding effect, and controlled by separate PLC control system. 

4) Whole line is controlled by SIEMENS PLC system, and equipped with remote control system, which can analyse the machine fault or problem through internet, help customer to solve the problem in time.

More information, please contact us right now!


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