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Three-Layer Polyethylene/Polypropylene External Coating System for Steel Pipes

Categories 3LPE Coating Pipe Production Line
Brand Name: huashida
Certification: CE, ISO, RoHS
Place of Origin: Qingdao, China
MOQ: 1
Price: US$100,000.00-3,000,000.00 1 Set (MOQ)
Supply Ability: 30 sets/Year
Packaging Details: Standard Package for Export
Coating: Powder Coating
Surface Treatment Grade: SA2.5
Induction Heating: Fbe, 2lpe, 3lpe
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Three-Layer Polyethylene/Polypropylene External Coating System for Steel Pipes

Three-Layer Polyethylene/Polypropylene External Coating System for Steel Pipes

Product Description

The 3PE anti-corrosion coating processing line is engineered to apply a durable three-layer protective coating to steel pipes of various specifications, ensuring long-lasting corrosion resistance and reliable performance in demanding environments.

The system applies the coating in three sequential layers:

  • Fusion Bonded Epoxy (FBE) - Provides superior adhesion and exceptional corrosion protection

  • Adhesive Layer - Ensures strong bonding between the FBE and outer polyethylene layer

  • Polyethylene (PE) Outer Layer - Offers robust mechanical protection and thermal insulation

This integrated coating solution is ideal for applications in oil, gas, water, and infrastructure projects where pipeline longevity and safety are critical.

3PE significantly enhances the pipeline's mechanical integrity, electrical insulation, waterproofing, abrasion resistance, and anti-aging properties.

3PE coating/coated steel pipes are extensively utilized in pipeline systems for transporting oil, gas, water and other fluids. They exhibit remarkable resistance against chemicals, moisture, and challenging environmental conditions etc.

Production Process Flow

Pipe loading → Screw conveyor feeding → Surface rust removal & cleaning → Intermediate frequency preheating → FBE electrostatic powder spraying → Outer adhesive & polyethylene coating → Water spray cooling → Screw conveyor transfer → Pipe end grinding & finishing → Finished pipe unloading

Main Equipment of 3PE anticorrosion processing Configuration List
No.NameSet
A. Derusting Equipment                                          
1Pipe-converying Equipment1
2Shot Blast Cleaning Machine1
3Cyclone Dust Collector1
4Pulse dust collector1
5Centrifugal exhaust fan1
6Rust removal equipment PLC1
B. Coating equipment
1Coating transfer equipment1
2IF heating device1
3Powder spraying device1
4 Automatic loading dryer2
5SJ-65/30 Extruder1
6SJ-180/30 Extruder1
7Hot melt adhesive extruder die1
8PE sheet extruder head mold1
9Hot melt adhesive/PE sheet coating device1
10Environmental Protection Ventilation equipment1
11Cooling Spray equipment1
C.Platform Equipment
1Steel pipe platform1
2Post-rust removal transition platform1
3Product tube storage platform1
4Hydraulic Equipment3
D.Groove Equipment
1PE Beveling Machine2
2Hydraulic Lifting and Turning Machinery1
3Hydraulic Equipment1
4PLC1
E.Compressed air Equipment
1Screw Air Compressor1
2Cold dry machine1
3Precision filters3
4Gas tanks1

Qingdao Huashida Machinery Co., Ltd. has been engaged in the development and producing of pipeline anti-corrosion equipment and raw materials since 2003. It is a leader manufacturer of heat-shrinkable sleeve and equipment in China. Huashida brand is favored by domestic and foreign customers. Devices of the equipment design have our patents. We passed ISO9001, ISO14001Environment, ISO45001 health certification. Up to now, more than 500 sets of production lines have been exported to Russia, Kazakhstan, Belarus, Egypt, Iran, Indonesia and other countries. Huashida brand heat shrinkable sleeve equipment in the production process of continuous summary and update has launched the fourth generation of products. The whole production line has reasonable design, intelligent operation, high speed and high efficiency, energy saving and electricity saving material labor cost. Continuous improvement in component design ensures uniform thickness, improved shrinkage, tensile strength and elongation at break. Product quality to meet the needs of different pipeline anti-corrosion demand. We have a professional after-sales service team to provide on-site and online video teaching and training. Help customers solve production problems as soon as possible.

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