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Automatic 3LPE Coating Pipe Production Line with PLC Control System for 50-100 Years Service Life

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Automatic 3LPE Coating Pipe Production Line with PLC Control System for 50-100 Years Service Life

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Brand Name : Huashida

Model Number : 001

Certification : CE, ISO, RoHS, REACH

Place of Origin : China

MOQ : 1 set

Price : 150000-1000000

Payment Terms : T/T,Western Union,D/A

Supply Ability : 5-10 +sets+per mouth

Delivery Time : 60work days

Packaging Details : Container loading，sea transportation

Coating Layers : 3 Layers

Control System : PLC

Pipe Surface Preparation : Shot Blasting

Origin : China

Connection Type : Welding

Operating Mode : Automatic

Coating Structure : Fbe, 2lpe, 3lpe

Coating Type : Internal, External

Heating Method : Induction Heating

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Product Introduction

The three-layer polyethylene (3LPE) coating process consists of:

  • First layer: Fusion Bonded Epoxy (FBE)
  • Second layer: Adhesive (AD)
  • Third layer: Polyethylene (PE)

This three-layer structure provides excellent corrosion protection for steel pipes and can extend pipeline service life from 5–10 years to 50–100 years.

It is widely used in:

  • Oil and gas pipelines
  • Urban gas transmission pipelines
  • Water supply pipelines
  • District heating projects

The 3LPE coating features:

  • High mechanical strength
  • Excellent electrical insulation
  • Strong resistance to moisture, chemicals, and environmental aging
  • Long-term anti-corrosion performance

Automatic 3LPE Coating Pipe Production Line with PLC Control System for 50-100 Years Service Life

Product Parameters

Coating Structure & Thickness

  • First layer: Fusion Bonded Epoxy (FBE) ≥ 100 μm
  • Second layer: Adhesive (AD) 170–250 μm
  • Third layer: Polyethylene (PE) 2.5–3.7 mm

Applications

The production line is widely used for steel pipe external anti-corrosion coating in:

1. Oil pipelines
2. Natural gas pipelines
3. Water supply pipelines
4. District heating pipelines
5. Chemical and industrial pipelines
6. Underground buried pipelines

Automatic 3LPE Coating Pipe Production Line with PLC Control System for 50-100 Years Service Life

Main Equipment Configuration

1. Steel Pipe External Shot Blasting & Derusting Line

No. Description Qty. Remarks
1 Transmission line 1 set
2 Shot blasting derusting line 1 set
3 Cyclone dust collector 1 set
4 Pulse filter cartridge dust collector 1 set
5 Centrifugal blower 1 set
6 Derusting equipment electrical control system 1 set

2. Steel Pipe External Spiral 3PE Production Line

No. Description Qty.
1 Coating transmission system 1 set
2 Intermediate frequency heating system 1 set
3 Epoxy spraying system 1 set
4 Automatic feeding dryer 2 sets
5 SJ-65/30 single screw high-efficiency extruder 1 set
6 SJ-120/30 extruder 1 set
7 Hot melt adhesive extrusion die head 1 set
8 PE sheet extrusion die head 1 set
9 Hot melt adhesive / PE sheet pressing device 1 set
10 Stainless steel powder spraying chamber 1 set
11 Cooling water spray system 1 set

3. Platform System

No. Description Qty.
1 Steel pipe loading platform 1 set
2 Derusting transition platform 1 set
3 Finished pipe storage system 1 set
4 Hydraulic system 3 sets

4. Grooving System

No. Description Qty.
1 PE grooving device 2 sets
2 Hydraulic elevating pipe turner 2 sets
3 Operating cabinet 1 set

Company Profile

Automatic 3LPE Coating Pipe Production Line with PLC Control System for 50-100 Years Service Life

Qingdao Huashida Machinery Co., Ltd. is one of the leading professional manufacturers and exporters of anti-corrosion and insulation equipment in China.

With more than 20 years of industry experience and strong R&D and customization capabilities, we provide both standardized and tailor-made solutions for customers worldwide.

Our Main Products

  1. HDPE Jacket Pipe Production Line for pre-insulated pipes (110–2000 mm)
  2. Rigid Pre-insulated Pipe Production Line
  3. Flexible Pre-insulated Pipe (PERT) Production Line
  4. Steel Pipe FBE / 2LPE / 3LPE Anti-corrosion Coating Line
  5. Steel Pipe Derusting Line
  6. PE Pressure Pipe / Water & Gas Supply Pipe Production Line
  7. PP / PE Plastic Board / Sheet / Geomembrane Production Line
  8. NBR/PVC Thermal Insulation Tube / Sheet Production Line
  9. Pipeline Anti-corrosion Materials and Tools, including:
    • Heat shrink sleeves
    • Electro-fusion weldable sleeves
    • Portable welding guns (extruders)
    • PE / PP welding rods

Product Tags:

PLC Control System 3LPE Coating Pipe Production Line

      

Automatic Operation 3LPE Pipe Coating Machine

      

50-100 Years Service Life 3LPE Anti-Corrosion Coating Line

      
China Automatic 3LPE Coating Pipe Production Line with PLC Control System for 50-100 Years Service Life factory

Automatic 3LPE Coating Pipe Production Line with PLC Control System for 50-100 Years Service Life Images

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