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3 Layer Polyethylene (3LPE) Anti-Corrosion Steel Pipe
3LPE anti-corrosion steel pipe features a three-layer coating system for superior pipeline protection:
First Layer: Epoxy powder, ensuring strong adhesion and excellent corrosion resistance.
Second Layer: Copolymer adhesive with branched functional groups, bonding the epoxy and polyethylene layers.
Third Layer: High-density polyethylene (HDPE), providing mechanical protection and environmental durability.
√ High Sealing Performance: Exceptional sealing reduces energy costs and environmental impact over long-term use.
√ Superior Corrosion Resistance: Durable in harsh conditions, with a service life of 30-50 years.
√ Low-Temperature Resilience: Maintains corrosion and impact resistance in cold environments.
√ Material Benefits: Combines high epoxy strength, low water absorption of PE, and adhesive flexibility for reliable protection.
√Cost-Effective: Simple production process, excellent anti-corrosion performance, and competitive pricing.
√ Pipe Diameter: 50-4200 mm
√ Processing Capacity: ≥250 m²/h
√ Surface Cleanliness: ≥Sa2.5
√ Materials: Epoxy powder, adhesive, polyethyleneMain Equipment List
| No. | Name | Set |
| A. Derusting Equipment | ||
| 1 | Pipe wheel conveyor | 1 |
| 2 | Shot Blasting Machine | 1 |
| 3 | Cyclone Dust Collector | 1 |
| 4 | Pulse dust collector | 1 |
| 5 | Centrifugal exhaust fan | 1 |
| 6 | Rust removal equipment PLC | 1 |
| B. Coating equipment | ||
| 1 | Pipe wheel conveyor | 1 |
| 2 | Induction heating device | 1 |
| 3 | Powder spraying device | 1 |
| 4 | Automatic loading dryer | 2 |
| 5 | SJ-65/30 Extruder | 1 |
| 6 | SJ-120/30 Extruder | 1 |
| 7 | Hot melt adhesive extruder die | 1 |
| 8 | PE sheet extruder head mold | 1 |
| 9 | Hot melt adhesive/PE sheet coating device | 1 |
| 10 | Environmental Protection Ventilation equipment | 1 |
| 11 | Cooling Spray equipment | 1 |
| C.Platform Equipment | ||
| 1 | Steel pipe uploading platform | 1 |
| 2 | Downloading platform | 1 |
| 3 | Pipe storage platform | 1 |
| 4 | Turnover machanism | 3 |
| D.Groove Equipment | ||
| 1 | PE Beveling Machine | 2 |
| 2 | Hydraulic Lifting and Turning Machinery | 1 |
| 3 | Hydraulic Equipment | 1 |
| 4 | PLC automatic control system | 1 |
Pipe loading
Screw conveyor transport
Rust removal (≥Sa2.5)
Intermediate frequency heating
Epoxy powder coating
Adhesive and polyethylene coating
Cooling spray
Pipe end grinding
Pipe unloading
★Winding Type: Suitable for complex pipe structures.
★Round Mold Wrapping Type: Ideal for efficient, standardized production.
Advanced Technology: Integrates global 3LPE coating standards with China's manufacturing expertise.
Automated Production: High automation reduces labor costs and ensures consistent quality.
Proven Experience: Backed by 389 global production projects, delivering reliable solutions.
Expert Support: Supported by 9 senior engineers and a high-end plastic machinery expert workstation in China.
Comprehensive Solutions: Full services including design, installation, commissioning, and training.
Global Standards: Anti-corrosion quality meets international benchmarks, trusted in projects worldwide.
Oil and Gas Pipelines: Long-distance gas and oil transmission.
Urban Infrastructure: Gas and water supply pipelines.
Fluid Transmission: Chemical, wastewater, and other fluid pipelines.
Enhanced Performance: High electrical insulation, waterproof, wear-resistant, and anti-aging properties.
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