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| Warranty: | 12 Months |
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The 3PE Bend Pipe Coating Equipment is a specialized production line designed for applying high-performance three-layer polyethylene (3PE) anti-corrosion coatings to hot bending pipes. It integrates shot blasting, heating, coating, and cooling processes to achieve a uniform, durable, and tightly bonded coating-enhancing both the surface and internal quality of the pipe.
This equipment is widely used in oil & gas, water supply, and industrial pipeline systems where high corrosion resistance and coating reliability are essential.
One-Pass Surface Treatment
The shot blasting and rust removal system efficiently removes rust, scale, and welding slag from hot bending pipes, structural parts, and section steel components. It also eliminates welding stress and improves fatigue strength, laying the foundation for strong coating adhesion.
Precision 3PE Coating Process
The line applies three protective layers:
Fusion Bonded Epoxy (FBE): Chemical and cathodic disbondment resistance.
Adhesive Layer: Ensures firm bonding between FBE and polyethylene.
Polyethylene (PE): Excellent physical protection against abrasion, impact, and moisture.
Integrated Workflow
From pipe loading to final coating and cooling, the system ensures continuous, automated operation, delivering high production efficiency and consistent coating quality.
√ Equipment Parameters
Production Line Dimensions: 20 m × 15 m
Water Consumption: 30 m³
Power Consumption: 450 kW
Gas Consumption: 6 m³/min
Working Temperature: ≥5°C (indoor)
√ Applicable Pipe Sizes
Diameter: 426 mm, 630 mm, 720 mm, 820 mm
Bend Radius: 4D-6D
Bending Angle: 15°-90°
Wall Thickness: 8 mm-12 mm
√ Coating Layer Thickness
FBE Layer: ≥170 μm
Adhesive Layer: 170-250 μm
PE Layer: 2.5-3.7 mm
System Components
Pipe Feeding & Transport System - Smooth and accurate movement of bend pipes through each station.
Shot Blasting Machine - Removes impurities and prepares the pipe surface for optimal coating.
Intermediate Frequency Heating System - Heats the pipe uniformly to ensure coating adhesion.
3PE Coating Application System - Simultaneously applies the three layers with high precision.
Cooling System - Rapid cooling of the coated pipe to ensure strong bonding and surface finish.
☆ Long-Term Corrosion Protection
☆ Excellent Adhesion & Layer Bonding
☆ High Resistance to Impact, Moisture & Abrasion
☆ Suitable for Underground & Above-Ground Pipelines
Qingdao Huashida Machinery Co., Ltd was established in 2003. Since its inception, Huashida has focused on plastic polyurethane insulation pipe production line, 3PE anti-corrosion pipe production line, large diameter underground pipe production line and plastic pipe joints for 20 years. We always attach great importance to research and development,collaborating closely with Beijing University of chemical technology, Qingdao university of technology and scientific research institutions. by absorbing advanced technology home and abroad, after 20 years of endeavor we now rank one of the top 3 manufacturers in the industry in China. Huashida machines have been well received in Saudi Arabia, Kazakhstan, Uzbekistan, United Arab Emirates, Turkey, Russia, etc.
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