High-Efficiency 3LPE Coating Pipe Production Line with 50-4200mm Range, Induction Heating, and Sa2.5 Surface Cleaning
Price:
US$100,000.00 - 3,000,000.00
MOQ:
1
Delivery Time:
60 days
Brand:
huashida
Product Description
3-Layer Polyethylene (3LPE) Anti-Corrosion Steel Pipe Coating Line
Product Overview
The 3-Layer Polyethylene (3LPE) Anti-Corrosion Steel Pipe Coating Line is designed to provide superior protection for steel pipelines used in oil, gas, water, and industrial fluid transportation. The 3LPE anti-corrosion steel pipe features three specialized layers:
- First Layer – Epoxy Powder Coating: Applied directly onto the steel surface to provide excellent adhesion and outstanding corrosion resistance.
- Second Layer – Copolymer Adhesive: A bonding layer with branched functional groups ensuring strong integration between the epoxy and polyethylene layers.
- Third Layer – High-Density Polyethylene (HDPE): The outer protective layer offers high mechanical strength, low water absorption, and long-term durability.
These layers form a highly effective anti-corrosion system, widely recognized for ensuring pipeline safety and longevity.
Key Advantages
- Excellent Sealing Performance: Minimizes leakage and energy loss during long-term operation.
- Strong Corrosion Resistance: Resists chemical and environmental damage even under harsh conditions.
- Long Service Life: Expected life span of 30–50 years, reducing maintenance and replacement costs.
- Low-Temperature Performance: Maintains structural integrity and protection under cold conditions.
- Low Water Absorption: HDPE layer prevents moisture penetration, enhancing durability.
- High Mechanical Strength & Impact Resistance: Protects pipelines from external forces during installation and operation.
- Cost-Effective Production: Combines reliable performance with an efficient and economical production process.
Technical Parameters
| Parameter | Description |
|---|---|
| Pipe Diameter Range | 50 – 4200 mm |
| Processing Capacity | ≥ 250 m²/h |
| Surface Cleaning Standard | ≥ Sa2.5 |
| Production Materials | Epoxy powder, adhesive, polyethylene |
| Coating Application Methods | Winding type or round mold wrapping type |
Our Advantages
- Advanced Technology: Designed based on global best practices and continuously improved.
- Stable Operation: Reliable performance with minimal downtime.
- High Degree of Automation: Reduces labor costs and increases efficiency.
- International Quality Standards: Meets ISO and other global certifications.
- Full Turnkey Solutions: From design, installation, and commissioning to operator training.
- Global Experience: Successfully deployed in 389 installations worldwide.
- Professional Technical Team: 9 senior engineers with access to a high-end plastic machinery equipment expert workstation in China.
Technological Process Flow
- Upload Pipes
- Pipe Screw Conveyor Transport
- Rust Removal (Surface Preparation)
- Intermediate Frequency Heating
- Epoxy Powder Coating Application
- Adhesive and HDPE Outer Layer Coating
- Cooling Spray
- Pipe End Grinding
- Final Inspection & Unloading
Main Equipment List
A. Derusting Equipment
- Pipe Wheel Conveyor
- Shot Blasting Machine
- Cyclone Dust Collector
- Pulse Dust Collector
- Centrifugal Exhaust Fan
- Rust Removal Equipment PLC
B. Coating Equipment
- Pipe Wheel Conveyor
- Induction Heating Device
- Powder Spraying Device
- Automatic Loading Dryer
- SJ-65/30 Extruder
- SJ-120/30 Extruder
- Hot Melt Adhesive Extruder Die
- PE Sheet Extruder Head Mold
- Hot Melt Adhesive / PE Sheet Coating Device
- Environmental Protection Ventilation Equipment
- Cooling Spray Equipment
C. Platform Equipment
- Steel Pipe Uploading Platform
- Downloading Platform
- Pipe Storage Platform
- Turnover Mechanism
D. Groove Equipment
- PE Beveling Machine
- Hydraulic Lifting and Turning Machinery
- Hydraulic Equipment
- PLC Automatic Control System
Applications
3LPE-coated steel pipes are widely used in critical infrastructure projects, including:
- Oil & Gas Transportation Pipelines
- Urban Gas Distribution Systems
- Municipal Water Supply Networks
- Industrial Fluid Transmission Systems
Company Profile
Qingdao Huashida Machinery Co., LTD is a leading manufacturer of plastic pipe machines, municipal pipe machines, pipe insulation & anti-corrosion machines, and pipe jointing & anti-corrosion materials, with over 21 years of production experience.
Main Products Include:
- HDPE jacket pipe production lines for pre-insulated pipes (110-2000mm)
- Rigid pre-insulated pipe production lines
- Flexible pre-insulated pipe (PERT) production lines
- Steel pipe FBE/2LPE/3LPE anti-corrosion coating lines
- Steel pipe derusting lines
- PE pressure pipe / water & gas supply pipe production lines
- PP/PE plastic board, sheet, geomembrane production lines
- NBR/PVC thermal insulation tube/plate production lines
- Pipeline anti-corrosion materials & instruments: heat shrink joint coating sleeve, electro-fusion weldable joint sleeve, portable welding gun (extruder), PE/PP welding rod
Similar Products
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Qingdao Huashida Machinery Co., Ltd.
Location
69 Jinsheng Second Road Chengyang District, Qingdao, Shandong, China
Contact Person
yuki