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| Warranty: | 6-12 Months |
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Description:
The Shot Blasting Machine is used for Steel Pipe FBE, DFBE, and 3PE (PP) external anticorrosion production equipment is specifically designed for coating oil, natural gas, chemical, and water pipelines. This equipment supports both 1-layer and 2-layer FBE coatings, as well as 2-layer and 3-layer PE (PP) coatings. Its anticorrosion techniques and product performance comply with standards including DIN 30670-91, Q/SY/TQ9-2003, SY/T0413-2002, and SY/T0315-97.
Technological processes
Upload pipes→pipes screw conveyor→rust removal of intermediate frequency heating→Epoxy powder coating→outer layer soli quid & polyehylene coating→cooling spray→pipes screw conveyor→grinding pipes, s end→unload pipes
This production line can be customized to meet various specifications based on customer requirements. Through persistent efforts, Qingdao Huashida Machinery Co., Ltd. has successfully developed a high-performance 3PE coating production line, catering to the growing demands of our customers.
The composition of 3-layer PE coating production line
The three -layer PE anticorrosion structure includes fusion bonded epoxy-powder bottom layer, polymer adhesive middle layer and polyethylene top layer. The so-called 3-layer PE Coating Production line,3-layer refers to the 3-layer structure of epoxy primer, that is a thermosetting, non-toxic coating, curing after form high molecular weight cross-linked structure coating, With excellent chemical corrosion resistance and high mechanical properties, especially the best wear resistance and adhesion. It can form a continuous coating and steel pipe surface directly bonded, with good resistance to chemical corrosion and anti-cathode stripping performance.
To ensure optimal adhesion at elevated temperatures, the intermediate layer of the coating contains reactive groups that form chemical bonds, resulting in a high-quality anticorrosion coating for buried steel pipes.
This layer typically uses a copolymer binder made from polyolefin, which effectively bonds with the epoxy primer through hydrogen or chemical bonds. The non-polar ethylene components also enhance bonding with the outer layer.
The three-layer polyethylene anticorrosion structure provides superior protection for buried pipes and is widely used in applications like the West-East Gas Pipeline, oil supply, urban gas distribution, and water pipelines.
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