Qingdao Huashida Machinery Co., Ltd.
                                                                                                           
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23 Years
Since 2003
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3LPE Coating Pipe Production Line and 3LPE Coating Line with 50-4200mm Pipe Diameter Internal and External Coating Induction Heating

Price Negotiable
Price: $100000-$3000000
MOQ: 1 Set
Delivery Time: around 55 days
Brand: Huashida
Product Description
Product Overview

The steel pipe anti-corrosion coating line is designed for factory-applied anti-corrosion coating of steel pipes in various diameters. It is widely used in engineering construction, particularly in heating, gas, and oil field applications.

The line supports multiple coating technologies, including FBE, 2-layer FBE, 2-layer PE, 2-layer PP, and 3-layer PE anti-corrosion coating. The 3-layer PE anti-corrosion coating consists of a first FBE coating, a middle adhesive layer, and an outer polyethylene layer.

Steel pipe 3PE anti-corrosion coating line in operation at a manufacturing facility
Applications

The three-layer polyethylene (3LPE) anti-corrosion coating is an advanced technology used as the outer protective layer for buried pipes. It is widely applied in the anti-corrosion protection of gas and oil transmission pipelines, urban gas supply networks, water supply pipes, and other fluid transmission pipelines.

The 3-layer PE anti-corrosion coating strengthens the pipeline's mechanical properties with high electrical resistance, waterproofing, wear resistance, and anti-aging performance.

Production Line Variants
Steel Pipe 3LPE Anti-Corrosion Coating Line (Dia. 159–4200mm)
3LPE anti-corrosion coating line overview showing full production setup Close-up view of 3LPE coating line equipment components 3LPE coating line in active operation with steel pipes being processed
Steel Pipe Internal & External FBE Coating Line (Dia. 500–4200mm)
FBE coating line equipment for internal and external pipe coating FBE coating line process showing application stage FBE coating line components and machinery layout FBE coating line machinery detail view
Internal FBE External 3LPE Coating Line (Dia. 159–4200mm)
Internal FBE external 3LPE coating line setup overview Internal FBE external 3LPE coating line in operation
Small Size Steel Pipe O-Type Extrusion 3LPE Coating Line (Dia. 57–426mm)
Small size O-type extrusion 3LPE coating line overview Small size O-type extrusion 3LPE coating line components Small size O-type extrusion 3LPE coating line in operation
Steel Bend Pipe FBE & 3LPE Coating Production Line
Steel bend pipe FBE and 3LPE coating production line overview Steel bend pipe coating line machinery and equipment Steel bend pipe coating line in operation
Main Equipment List
No. Name Set
A. Derusting Equipment
1 Pipe wheel conveyor 1
2 Shot Blasting Machine 1
3 Cyclone Dust Collector 1
4 Pulse dust collector 1
5 Centrifugal exhaust fan 1
6 Rust removal equipment PLC 1
B. Coating Equipment
1 Pipe wheel conveyor 1
2 Induction heating device 1
3 Powder spraying device 1
4 Automatic loading dryer 2
5 SJ-65/30 Extruder 1
6 SJ-120/30 Extruder 1
7 Hot melt adhesive extruder die 1
8 PE sheet extruder head mold 1
9 Hot melt adhesive / PE sheet coating device 1
10 Environmental Protection Ventilation equipment 1
11 Cooling Spray equipment 1
C. Platform Equipment
1 Steel pipe uploading platform 1
2 Downloading platform 1
3 Pipe storage platform 1
4 Turnover mechanism 3
D. Groove Equipment
1 PE Beveling Machine 2
2 Hydraulic Lifting and Turning Machinery 1
3 Hydraulic Equipment 1
4 PLC automatic control system 1
System Components

The anti-corrosion coating processing line includes the following systems:

  • Steel pipe transmission system
  • Surface treatment system
  • Pipe dust removal system
  • Pipe heating system
  • Electrostatic spraying system
  • Coating system
  • Water cooling system
  • End cutting system
  • Hydraulic and pneumatic system
  • Testing system
  • Electronic control system
Our Advantages
Adopt advanced technology
Stable operation
High degree of automation, saving labor costs
Good anti-corrosion quality, meets international standards
Supply full completed production solution: design, installation, commissioning, training
Share 389 sets of production experience from around the world
Having 9 professional senior engineers
Having a high-end plastic machinery equipment expert workstation in China
Technological Process
Upload pipes → Pipes screw conveyor → Rust removal → Intermediate frequency heating → Epoxy powder coating → Outer layer adhesive polyethylene coating → Cooling spray → Pipes screw conveyor → Grinding pipe ends → Download pipes
Technological process diagram for 3PE anti-corrosion steel pipe coating line
Product Parameters
Pipe Diameter
50–4200 mm
Processing Capacity
≥250 m²/h
Cleaning Level
≥Sa2.5
Materials for Production
Epoxy powder, adhesive, polyethylene

Company Profile

Qingdao Huashida Machinery Co., Ltd. is a manufacturer of plastic pipe machines, municipal pipe machines, pipe insulation & anticorrosion machines, and pipe jointing & anticorrosion materials, with 21 years of production experience.

Our Main Products
  • HDPE jacket pipe for pre-insulated pipe production line (110–2000mm)
  • Rigid pre-insulated pipe production line
  • Flexible pre-insulated pipe (PERT) production line
  • Steel pipe FBE / 2LPE / 3LPE anti-corrosion coating line
  • Steel pipe derusting line
  • PE pressure pipe / water & gas supply pipe production line
  • PP / PE plastic board / sheet / geomembrane production line
  • NBR PVC thermal insulation tube / plate production line
  • Pipeline anti-corrosion materials and instruments: heat shrink joint coating sleeve, electro-fusion weldable joint sleeve, portable welding gun (extruder), PE PP welding rod

We have been working with more than 400 overseas customers and exporting our products to Kazakhstan, Uzbekistan, Iran, Turkey, Russia, Nigeria, and other countries.

Company facility overview showing manufacturing campus Company manufacturing area with production equipment Company production line in operation
International Trading Show & Client Cases
3LPE steel pipe anti-corrosion equipment with epoxy mastic coated pipe at international trade show
Certifications
Company certification document Quality certification document

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

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