Qingdao Huashida Machinery Co., Ltd.
| Payment Terms | T/T |
| Supply Ability | 15 SETS/YEAR |
| Delivery Time | 45-120 DAYS |
| Packaging Details | Packing film |
| Coating type | PE extrusion coating |
| Coating thickness | 1.8-4mm |
| Pipe cleaning method | Shot blasting |
| Heating method | Induction heating |
| Cooling method | Water cooling |
| Brand Name | HUASHIDA |
| Model Number | 59-2000 |
| Certification | ISO |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | T/T | Supply Ability | 15 SETS/YEAR |
| Delivery Time | 45-120 DAYS | Packaging Details | Packing film |
| Coating type | PE extrusion coating | Coating thickness | 1.8-4mm |
| Pipe cleaning method | Shot blasting | Heating method | Induction heating |
| Cooling method | Water cooling | Brand Name | HUASHIDA |
| Model Number | 59-2000 | Certification | ISO |
| Place of Origin | CHINA | ||
| High Light | 3LPE Coating Machine ，PE 3LPE Coating Pipe Production Line ，3LPE Coating Pipe Extrusion Production Line | ||
PE Extrusion Three Layer Steel Pipe 3LPE Coating Machine
The structure of 3-layer PE coating (3PE)
3-layer PE anticorrosion coating consists of three layers:
1. FBE (Fusion bonded epoxy) coating, FBE>100um
2. Adhesive layer, 170~250um
3. Polyethylene layer, 1.8~3.7mm
The three layers are integrated and firmly combined with the steel pipe to form an excellent anti-corrosion coating.
Advantages of 3-layer PE coating
The three-layer polyethylene anti corrosion coating combines the excellent properties of epoxy coating and extruded polyethylene layer: the interface characteristics and chemical resistance of epoxy coating and the mechanical protection characteristics of extruded polyethylene layer. Therefore, it is very superior as the outer protective layer of buried pipelines. After rigorous scientific testing, the three-layer PE coating can make the life of the buried pipeline reach 50 years. At present, it is recognized as an efficient external pipeline anti corrosion technology in the world.
Steel pipe with 3-layer PE coating (3PE) is widely used in pipeline systems for the transmission of oil, gas, water and other fluids. They have high resistance to corrosive from chemicals, moisture, harmful environment etc.
Pipe Pre-Treatment – Shot blasting (SA 2.5) & degreasing
Epoxy FBE Coating – Electrostatic powder spraying
Adhesive Layer – Extruded copolymer bonding
PE Extrusion – Side-wrap or cross-head extrusion
QC Inspection – Holiday detection, thickness gauge
Technical Specifications
| Parameter | Specification |
| Coating Thickness | 1.8–4.0mm (adjustable) |
| Line Speed | 0.5–3 m/min (variable) |
| Operating Temp. | Epoxy: 200–240°C / PE: 180–220°C |
| Standards | ISO 21809-1, API RP 5L2, DIN 30670 |
Advantages of equipment
✔ Complete Turnkey Solution – From surface treatment to final inspection
✔ Multi-Layer Protection – Epoxy + Adhesive + Polyethylene for maximum durability
✔ Wide Pipe Compatibility – Covers Ø50mm–Ø2000mm (customizable)
✔ Energy-Efficient Design – 20-30% lower power consumption vs conventional lines
✔ Smart Control System – PLC/HMI with real-time monitoring and data logging
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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