Qingdao Huashida Machinery Co., Ltd.
| Payment Terms | L/C,T/T |
| Supply Ability | 50 units / years |
| Delivery Time | 70 days |
| Packaging Details | standard package |
| Coating | Powder Coating |
| Pipe Dia. | 159-4200mm |
| PE Coating Model | Wrapping |
| Blasting | >2.5A |
| Brand Name | Huashida |
| Model Number | 159-4200mm |
| Certification | CE, ISO |
| Place of Origin | Qingdao，China |
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Product Specification
| Payment Terms | L/C,T/T | Supply Ability | 50 units / years |
| Delivery Time | 70 days | Packaging Details | standard package |
| Coating | Powder Coating | Pipe Dia. | 159-4200mm |
| PE Coating Model | Wrapping | Blasting | >2.5A |
| Brand Name | Huashida | Model Number | 159-4200mm |
| Certification | CE, ISO | Place of Origin | Qingdao，China |
| High Light | 1420mm Large-Diameter 3LPE Coating Pipe Production Line ，High-Speed Coating 3PE Coating System ，CE and ISO Certified Steel Pipe Anti-Corrosion Line | ||
The external 3PE anti-corrosion system consists of a three-layer structure: an epoxy powder base for corrosion resistance, a copolymer adhesive for interlayer adhesion, and an outer polyethylene layer for mechanical protection. The inner wall is coated with liquid epoxy to prevent corrosion from transported media. This comprehensive protection enhances service life and is widely used in oil, gas, and waterpipeline engineering.
The external 3PE (Three-layer Polyethylene) anti-corrosion system consists of a three-layer composite structure: a fusion-bonded epoxy (FBE) powder primer provides fundamental corrosion resistance, an intermediate copolymer adhesive layer ensures high interlayer bonding strength, and an outer polyethylene (PE) layer provides excellent mechanical protection. The inner wall is coated with liquid epoxy, forming a dense barrier that prevents corrosion erosion from transported media (oil, gas, water). This combined inner-and-outer protection scheme offers synergistic, durable, and long-lasting performance, significantly extending the service life of steel pipes, and is widely applied in pipeline projects such as oil/gas transportation and municipal water supply and drainage.
Main Equipment List and specification
| No. | Name | Specification |
| A. Surface Cleaning Equipment | ||
| 1 | Steel pipe conveyor | Adjustable speed and angle, pipe uploading and unloading controlled by PLC |
| 2 | Shot blasting machine | |
| 3 | Cyclone dust collector | High efficient downwind cyclone dust removal |
| 4 | Impulse cartridge dust collector | |
| 5 | Centrifugal fan | |
| 6 | PLC control system | Automatic control of the line |
| B. Coating Equipment | ||
| 1 | Spiral pipe conveyor | Adjustable speed and angle |
| 2 | Induction heating machine | |
| 3 | Powder spraying device | Spraying thickness 80-800μm |
| 4 | Automatic feeder&dryer | |
| 5 | SJ-65/30 Extruder | |
| 6 | SJ-180/30 Extruder | |
| 7 | Adhesive extruder die mould | High quality die steel |
| 8 | PE sheet extruder die mold | High quality die stee |
| 9 | Adhesive/PE sheet coating device | Pressing roller with silicon coating and internal cooling |
| 10 | Environmental Protection Ventilation equipment | |
| 11 | Cooling Spray equipment | |
| C.Platform Equipment | ||
| 1 | Steel pipe platform | High quality |
| D.Groove Equipment | ||
| 1 | PE Beveling Machine | Steel brush disk, |
| 2 | Hydraulic Lifting and Turning Machinery | For lifting and turning the pipe |
| 3 | Hydraulic Equipment | |
Huashida's 3PE coating line is engineered to maximize your productivity while minimizing space requirements. With a compact layout and optimized process flow, it delivers outstanding efficiency in a smaller footprint.
Achieving up to 800 m² per hour, the line operates at 2 to 3 times the efficiency of conventional systems, helping you boost output and reduce costs.
Powered by proven technology and a stable formulation, it ensures one-time successful commissioning with zero defective pipes, delivering consistent, high-quality production from day one.
Compliant with global standards including EN, DIN, and NORSOK, it is ready for demanding international pipeline projects. Meanwhile, its energy-efficient and eco-friendly design reduces consumption and enhances material recycling.
From design and manufacturing to installation, commissioning, and training, Huashida offers a true one-stop solution, backed by reliable after-sales support for long-term, stable operation.
The anti-corrosion coating processing line includes:
-steel pipe transmission system
-Internal and external shot blasting system
-dust collection system
-pipe heating system
-electrostatic spraying system
-PE coating system
-water cooling system
-end cutting system
-hydraulic and pneumatic system
-testing system
-electronic control system
Upload pipes→pipes screw conveyor→inernal rust removal →external rust removal→ intermediate frequency heating→Internal Epoxy powder coating→External Epoxy powder coating→ outer layer adhesive polyethylene coating→cooling spray→pipes screw conveyor→grinding pipe ends→dowload pipes
1. Pipe diameter: 159-4200mm
2. Processing capacity: ≥250m2/h
3. Cleaning level: ≥Sa2.5
4. Materials for production: epoxy powder, adhesive, polyethylene
Qingdao Huashida Machinery Co., LTD., founded in 2003, is a global developer, manufacturer and solution provider of plastic extrusion equipment. 70% of its customers come from overseas countries such as Europe, America, the Middle East and Southeast Asia.
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Company Details
Business Type:
Manufacturer
Year Established:
2003
Total Annual:
3000000-5000000
Employee Number:
100~200
Ecer Certification：
Verified Supplier
1. company profileQingdao Huashida Machinery Co., Ltd. is located in Qingdao High & New Technology Industrial Area- Qingdao Huashida industrial Park, covers an area of about 4000 square meters. We have tens of years experience in plastic pipe, sheet, and board extrusion lines, and pipe joints a... 1. company profileQingdao Huashida Machinery Co., Ltd. is located in Qingdao High & New Technology Industrial Area- Qingdao Huashida industrial Park, covers an area of about 4000 square meters. We have tens of years experience in plastic pipe, sheet, and board extrusion lines, and pipe joints a...
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