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PE Extrusion Three Layer Steel Pipe 3LPE Coating Machine

Qingdao Huashida Machinery Co., Ltd.
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PE Extrusion Three Layer Steel Pipe 3LPE Coating Machine

Brand Name : HUASHIDA

Model Number : 59-2000

Certification : ISO

Place of Origin : CHINA

MOQ : 1 set

Price : USD200000-USD1000000

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

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PE Extrusion Three Layer Steel Pipe 3LPE Coating Machine


The structure of 3-layer PE coating (3PE)

PE Extrusion Three Layer Steel Pipe 3LPE Coating Machine
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.

Production Process Flow

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


PE Extrusion Three Layer Steel Pipe 3LPE Coating Machine

PE Extrusion Three Layer Steel Pipe 3LPE Coating Machine

PE Extrusion Three Layer Steel Pipe 3LPE Coating Machine

PE Extrusion Three Layer Steel Pipe 3LPE Coating Machine


Product Tags:

3LPE Coating Machine

      

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