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External 3PE/3PP Coating Equipment

3PE coatings are in addition to the corrosion protection of FBE coatings and can be used to add mechanical protection by applying a polyethylene (PE) or polypropylene (PP) layer. The adhesive layer is responsible for the bonding between the FBE and PE / PP layers. The line equipment can be adapted to the production of steel pipes up to 3048 mm. PE / PP pellets are extruded onto the through pipe to form a solid coating. Lateral extrusion is the usual method, in which a layer of PE / PP is wound onto the pipe. For smaller pipe diameters, a so-called wrapping process is often used.

型号：

A-002

分类：

Coating Equipment

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Production Line Process Flow Diagram

Extrusion System

It is used to extrude PE adhesive and PE protective coating, which are twined to the external wall of the pipes. The polyethylene protective coating can protect the epoxy powder coating.

It can be divided into cladding type and twining type according to coating pattern and twining type can be divided into side type and upper type.